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  • ATI Physical Therapy Corporate Office: Headquarters, Phone Number and Complaints

ATI Physical Therapy Corporate Office: Headquarters, Phone Number and Complaints 

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ATI Physical Therapy’s corporate office is located at 2001 Butterfield Road, Suite 1600, in Downers Grove, Illinois. ATI does not currently publish a separate public headquarters switchboard. Its primary patient-support phone number is 1-855-692-8478, also shown as 1-855-MY-ATIPT.

Patients should normally contact their ATI clinic first about appointments, treatment, therapist concerns, or local service. Billing and insurance questions can be directed through the central support number, while medical-record, privacy, compliance, and employment inquiries have separate routes explained below.

ATI Physical Therapy Corporate Office Address and Contact Information

The number 1-855-692-8478 is ATI’s main public patient-support number. It should not be described as a direct executive-office, Human Resources, legal, privacy, or corporate-switchboard number.

Where Is ATI Physical Therapy Headquarters?

ATI Physical Therapy’s corporate headquarters is:

ATI Physical Therapy
2001 Butterfield Road
Suite 1600
Downers Grove, IL 60515
United States

The Downers Grove office supports ATI’s executive leadership, finance, legal affairs, operations, Human Resources, compliance, technology, marketing, clinical strategy, billing administration, insurance support, and other companywide functions.

The corporate office is not an outpatient treatment clinic, walk-in billing center, medical-record pickup location, or emergency-care facility. Patients should not visit or mail medical documents to headquarters unless ATI provides specific instructions.

What Is the ATI Physical Therapy Corporate Office Phone Number?

ATI does not currently publish a separate public headquarters telephone number.

The primary public contact number is 1-855-692-8478, also written as 1-855-MY-ATIPT.

This number may assist with:

  • Finding an ATI clinic
  • Requesting an appointment
  • Insurance-benefit questions
  • Billing and payment questions
  • Patient-service concerns
  • Questions about the correct ATI department
  • General support routing

It is not a direct number for:

  • ATI executives
  • Human Resources or payroll
  • Legal notices
  • The Privacy Officer
  • Medical-record requests
  • The anonymous compliance hotline
  • A specific physical therapist or clinic manager

How to Contact ATI Physical Therapy Customer Service

ATI’s general patient-support number is 1-855-692-8478.

Use the available options as follows:

  • Option 1: Insurance-benefit and coverage questions
  • Option 2: Customer service, billing, statements, payment arrangements, and disputed balances

Patients can also email the Patient Advocate Department at Pa*************@***pt.com.

ATI’s published central customer-service hours are:

  • Monday–Thursday: 7 a.m.–7 p.m. Central
  • Friday: 7 a.m.–6 p.m. Central

Clinic hours vary. Contact the individual location for appointment availability, late-arrival questions, treatment scheduling, or local closures.

How to Make a Complaint to ATI Physical Therapy

  1. Identify the clinic involved. Record the clinic address, city, state, therapist, visit dates, and type of issue.
  2. Speak with the treating therapist. Questions about the treatment plan, exercises, progress, goals, pain response, or session should begin with the clinician responsible for care.
  3. Ask for the clinic director or manager. Local management can review scheduling, staffing, communication, customer service, and clinic conditions.
  4. Keep supporting records. Save appointment information, statements, insurance explanations of benefits, receipts, emails, and the names and dates of prior contacts.
  5. State the requested resolution. Explain whether you want a clinical discussion, schedule correction, bill review, refund review, records request, privacy response, or management follow-up.
  6. Contact the Patient Advocate Department. Call 1-855-692-8478, select Option 2, or email Pa*************@***pt.com.
  7. Use the appropriate specialized route. Send records, privacy, compliance, workers’ compensation, employment, or business questions to the department responsible.
  8. Request a case or reference number. Record what ATI says will happen next and the expected response time.

For an urgent medical condition, severe worsening of symptoms, chest pain, difficulty breathing, signs of a stroke, uncontrolled bleeding, or another emergency, call 911 or seek appropriate emergency care rather than waiting for ATI corporate support.

What to Include in an ATI Physical Therapy Complaint

  • The ATI clinic location
  • The appointment or treatment dates
  • The department or clinician involved
  • A concise description of what occurred
  • The people already contacted
  • The response received
  • The relevant statement or insurance document
  • The reference or case number
  • The specific resolution requested

Submit protected health information only through a private and verified ATI channel. Do not include diagnoses, treatment records, medical images, insurance identification numbers, dates of birth, or billing-account details in a public review.

ATI Physical Therapy Clinical-Care Complaints

Questions involving treatment should begin with the treating physical therapist and clinic director.

Clinical concerns may involve:

  • The evaluation or treatment plan
  • Exercise selection or progression
  • Pain or symptoms during therapy
  • Communication about goals
  • The frequency or duration of appointments
  • Therapist supervision
  • Home exercise instructions
  • Discharge planning
  • A request for a different therapist
  • Coordination with a physician or insurer

Ask the therapist to explain the plan of care, expected goals, treatment frequency, progress measures, and circumstances that would require modifying or stopping an exercise.

Corporate customer service cannot diagnose a condition, prescribe treatment, replace a licensed clinician’s judgment, or provide emergency medical care.

ATI Physical Therapy Billing Complaints

Billing questions can be directed to the Patient Advocate Department at 1-855-692-8478, Option 2, or Pa*************@***pt.com.

Before contacting ATI, gather:

  • The ATI billing statement
  • The insurance explanation of benefits
  • The insurance card
  • Receipts or payment confirmations
  • The dates of service
  • The applicable referral or authorization
  • Prior correspondence about the balance

Ask ATI to explain:

  • The services billed
  • The amount submitted to insurance
  • The insurance payment or adjustment
  • The deductible, copayment, or coinsurance applied
  • Whether the claim was denied or remains pending
  • Whether the balance has been corrected or appealed
  • Whether a payment plan or hardship discount may be available

The insurer may control coverage and claim-processing decisions, while ATI controls the provider statement and its billing records. Some disputes require communication with both organizations.

ATI Payment Plans and Financial Assistance

ATI states that interest-free payment arrangements may be available in many cases.

ATI also offers financial-hardship discounts to qualifying patients who can demonstrate difficulty meeting their financial obligations for covered ATI services.

Call 1-877-284-2455 or 1-855-692-8478 to ask about:

  • Payment-plan eligibility
  • Automatic payments
  • Financial-hardship assistance
  • Required documentation
  • Current account status
  • Past-due balances

Eligibility, discount amounts, and payment terms can depend on the account, services, income documentation, insurance status, and applicable ATI policy.

How to Pay an ATI Physical Therapy Bill

Patients who have received a statement can use ATI’s official online payment portal.

The portal may allow patients to:

  • Review electronic statements
  • See payment history
  • Make a one-time payment
  • Store a payment method
  • Set up automatic payments
  • Manage balances for dependents

Use the case or registration information shown on the official statement. Do not enter payment information into a site reached through an unexpected email or text unless the web address has been independently verified.

ATI Physical Therapy Insurance Complaints

Call 1-855-692-8478 and select Option 1 for questions about insurance benefits.

Insurance concerns may involve:

  • Whether ATI participates with a plan
  • Referral requirements
  • Prior authorization
  • Visit limits
  • Copayments
  • Deductibles
  • Coinsurance
  • Out-of-network benefits
  • A denied claim
  • Authorization expiring before treatment is complete

Benefit verification is an estimate based on information available from the insurer. It is not necessarily a guarantee that the insurer will pay every charge.

Patients should also contact the insurance company using the member-services number on the insurance card when coverage or claim information conflicts.

Does ATI Physical Therapy Require a Referral?

Many patients may be able to begin physical therapy through direct access without first obtaining a physician referral.

However, referral and authorization requirements can depend on:

  • State law
  • The insurance plan
  • Medicare or Medicaid rules
  • Workers’ compensation requirements
  • Auto or personal-injury coverage
  • The patient’s condition
  • The number of visits or treatment duration

Contact ATI and the insurance provider before treatment when coverage or referral requirements are unclear.

ATI Physical Therapy Cancellation and Late-Arrival Policy

ATI’s current published policy requires at least 24 hours’ advance notice when cancelling an appointment.

ATI reserves the right to charge a $40 cancellation fee when a patient does not provide at least 24 hours’ notice.

ATI may also reschedule an appointment when a patient arrives more than 15 minutes late.

Patients should contact the individual clinic as soon as possible when:

  • An appointment must be cancelled
  • The patient expects to arrive late
  • Transportation is unavailable
  • Illness prevents attendance
  • An emergency or unusual circumstance occurs

Ask the clinic to confirm whether the appointment was cancelled and whether a fee was assessed or waived.

How to Request ATI Physical Therapy Medical Records

ATI directs medical-record requests to:

The request should include the completed HIPAA authorization and identify the records and dates of service needed.

Possible requests may include:

  • Evaluation reports
  • Therapy notes
  • Progress reports
  • Discharge summaries
  • Billing records
  • Records requested by another provider
  • Records requested by an insurer, attorney, or authorized representative

ATI may need to verify the requester’s identity and authority. Do not send protected records through a public comment or unverified email address.

ATI Physical Therapy Privacy and HIPAA Complaints

ATI’s current Notice of Privacy Practices identifies the following privacy contacts:

Privacy complaints may involve:

  • An unauthorized disclosure
  • Records sent to the wrong recipient
  • A request for confidential communication
  • A request to inspect or copy records
  • A requested correction or amendment
  • A request for an accounting of disclosures
  • Website personal-information practices

ATI also publishes 1-800-428-1678 for compliance and certain website-privacy concerns.

Patients may also have the right to submit a HIPAA complaint to the U.S. Department of Health and Human Services Office for Civil Rights. Review the current official filing instructions before transmitting protected health information.

ATI Physical Therapy Compliance Hotline

ATI publishes the anonymous compliance hotline 1-800-428-1678.

The compliance route may be appropriate for concerns involving:

  • Healthcare billing compliance
  • Privacy or confidentiality
  • Potential misconduct
  • Conflicts of interest
  • Suspected policy violations
  • Other compliance questions

The compliance hotline is not the preferred number for ordinary appointment changes, routine bills, treatment questions, or medical-record status.

ATI Physical Therapy Human Resources and Careers

ATI does not publish one general public Human Resources phone number for every applicant, employee, former employee, payroll issue, benefit question, or employment-verification request.

ATI’s official contact form includes a Human Resources category, and applicants can search openings through the ATI Careers website.

Applicants should use:

Current and former employees should ordinarily contact:

  • Their clinic or department manager
  • Their Human Resources representative
  • The employee portal
  • The payroll or benefits administrator
  • The contact shown on employment documents or pay statements

Do not post Social Security numbers, employee identification numbers, tax documents, payroll records, schedules, background-check information, medical-leave records, or coworker personal information publicly.

Who Owns ATI Physical Therapy?

ATI Physical Therapy is privately held.

In August 2025, a consortium of existing stockholders holding more than 90% of ATI’s voting shares completed a merger that returned the company to private ownership.

The investor consortium was led by:

  • Knighthead Capital Management
  • Marathon Asset Management

ATI previously traded publicly under the ATIP symbol, but it should no longer be described as an actively traded public company.

Who Is the CEO of ATI Physical Therapy?

Sharon Vitti is Chief Executive Officer of ATI Physical Therapy.

ATI’s current executive leadership also includes:

  • Chris Cox: Chief Operating Officer
  • Erik Kantz: Chief Legal Officer
  • Eric Slusser: Chief Financial Officer
  • Eimile Tansey: Chief People Officer
  • Dr. Chuck Thigpen: Chief Clinical and Strategy Officer

Executive positions can change. Confirm current leadership through ATI’s official website when the information is needed for legal, media, employment, business, or professional purposes.

About ATI Physical Therapy

ATI Physical Therapy began in 1996 with one clinic in Willowbrook, Illinois.

The organization expanded from occupational rehabilitation and functional-capacity services into a national outpatient physical-therapy provider.

ATI now operates more than 850 clinics across approximately 25 states. The exact number changes as clinics open, relocate, or close, so patients should use the current location directory.

ATI services may include:

  • Outpatient physical therapy
  • Workers’ compensation rehabilitation
  • Sports medicine
  • Hand therapy
  • Pelvic-health therapy
  • Vestibular rehabilitation
  • Aquatic therapy
  • Concussion rehabilitation
  • Oncology rehabilitation
  • Worksite and employer solutions
  • Online physical therapy
  • Remote therapeutic monitoring
  • Injury screenings

Services, specialties, insurance participation, therapists, and appointment availability vary by location.

ATI Physical Therapy Is Not ATI Testing or ATI Inc.

This page covers ATI Physical Therapy, the outpatient rehabilitation company headquartered in Downers Grove, Illinois.

It does not cover:

  • ATI Testing or Assessment Technologies Institute, which provides nursing-education and exam-preparation services
  • ATI Inc., the specialty-materials and metals company
  • Advanced Technology International, a government and research consortium-management organization

Confirm the website, address, and company name before sending medical, employment, billing, or business information.

ATI Physical Therapy Reviews, Complaints, and Patient Feedback

This is a new CorporateOfficeHeadquarters.com listing, so no ATI Physical Therapy ratings or reader comments are currently available on this page.

Future reviews may help readers understand experiences involving:

  • Appointment scheduling
  • Therapist communication
  • Clinic management
  • Billing and insurance
  • Medical records
  • Cancellation fees
  • Payment plans
  • Workers’ compensation rehabilitation
  • Privacy complaints
  • Corporate escalation

Reviews represent individual experiences and should not be treated as verified evidence of conditions across ATI’s entire clinic network.

ATI Physical Therapy Competitors and Related Corporate Offices

ATI competes with national and regional outpatient rehabilitation providers, hospital rehabilitation departments, independent physical-therapy practices, and occupational-health companies.

Official ATI Physical Therapy Resources

Frequently Asked Questions About ATI Physical Therapy Corporate Office

Where is ATI Physical Therapy headquarters?

ATI Physical Therapy is headquartered at 2001 Butterfield Road, Suite 1600, Downers Grove, IL 60515.

What is the ATI Physical Therapy corporate-office phone number?

ATI does not publish a separate public corporate switchboard. Its main public patient-support number is 1-855-692-8478.

What is the ATI Physical Therapy customer-service number?

Call 1-855-692-8478. Select Option 2 for customer service and billing or Option 1 for insurance-benefit questions.

What is the ATI Physical Therapy billing phone number?

Call 1-855-692-8478 and select Option 2. Patients may also email Pa*************@***pt.com.

How do I complain about an ATI clinic?

Begin with the treating therapist and clinic director. Document the clinic, visit dates, issue, prior contacts, and requested resolution. Escalate unresolved concerns to ATI’s Patient Advocate Department.

How do I dispute an ATI Physical Therapy bill?

Contact the Patient Advocate Department with the statement, insurance card, and explanation of benefits. Ask ATI to review the services, insurance processing, adjustments, and remaining patient responsibility.

Does ATI offer payment plans?

ATI says interest-free payment plans may be available in many cases. Financial-hardship discounts may also be offered to qualifying patients.

What is ATI’s cancellation fee?

ATI reserves the right to charge $40 when a patient does not cancel at least 24 hours before the appointment.

How do I request ATI medical records?

Complete ATI’s authorization form and email it to mw*************@***pt.com or fax it to 1-630-759-6185.

What is the ATI HIPAA privacy phone number?

ATI’s current HIPAA notice lists the Privacy Officer at 1-630-296-2222. Privacy questions may also be emailed to Co********@***pt.com.

What is the ATI compliance hotline?

ATI publishes the anonymous compliance hotline 1-800-428-1678.

Does ATI require a doctor’s referral?

Many patients can begin through direct access, but referral and authorization requirements depend on state law, insurance, workers’ compensation rules, and the patient’s circumstances.

Who owns ATI Physical Therapy?

ATI is privately held by a consortium of existing investors led by Knighthead Capital Management and Marathon Asset Management.

Is ATI Physical Therapy publicly traded?

No. ATI transitioned from public to private ownership in August 2025 and should no longer be described as an actively traded company.

Who is the CEO of ATI Physical Therapy?

Sharon Vitti is Chief Executive Officer of ATI Physical Therapy.

How many ATI Physical Therapy clinics are there?

ATI reports more than 850 clinics across approximately 25 states. Use the current clinic locator because the total changes over time.

What is the ATI Physical Therapy HR phone number?

ATI does not publish one general public HR phone number. Applicants should use the careers website, while employees should use their manager, HR representative, employee portal, or payroll and benefits contacts.

Can I visit ATI headquarters for treatment or billing help?

No. The Downers Grove headquarters is not a therapy clinic or public billing counter. Use the appropriate clinic or central support route.

Can CorporateOfficeHeadquarters.com resolve an ATI complaint?

No. CorporateOfficeHeadquarters.com is an independent information and review website. It cannot access patient records, change treatment, alter bills, issue refunds, schedule appointments, approve insurance claims, investigate clinicians, or require ATI Physical Therapy to respond.

Why Trust CorporateOfficeHeadquarters.com?

CorporateOfficeHeadquarters.com publishes independent corporate-office and complaint information to help readers distinguish ATI headquarters from individual clinics, therapists, Patient Advocate support, billing, insurance, medical records, privacy, compliance, and Human Resources.

Corporate addresses, telephone numbers, leadership, ownership, clinic locations, insurance participation, fees, support hours, and policies can change. Confirm important information directly through ATI Physical Therapy and the clinic, insurer, employer, or healthcare provider involved.

Page Update Note

Last Updated: July 21, 2026

This new ATI Physical Therapy corporate-office page was created to verify the Downers Grove headquarters address, explain that ATI does not publish a separate public headquarters switchboard, add current patient-support, billing, insurance, records, privacy, compliance, and careers routes, document ATI’s transition to private ownership, identify current leadership, explain complaint escalation and cancellation policies, and provide privacy-focused guidance for future reader reviews.

Share Your ATI Physical Therapy Experience

Have you contacted ATI Physical Therapy about an appointment, therapist, treatment plan, clinic manager, billing issue, insurance claim, cancellation fee, payment plan, medical-record request, privacy concern, employment issue, or corporate complaint?

Share the clinic location, department contacted, response time, resolution requested, and whether the matter was resolved. Positive experiences involving therapists, clinic staff, billing assistance, or successful complaint handling are also welcome.

Patient privacy warning: Do not post patient names, dates of birth, diagnoses, treatment notes, exercise plans, X-rays, medical images, prescriptions, insurance identification numbers, claim numbers, account numbers, billing statements, medical-record documents, Social Security numbers, home addresses, employee schedules, payroll records, or other protected information.

Comments containing private health information, detailed medical histories, threats, employee personal information, unsupported malpractice or criminal allegations, repetitive text, or material unrelated to ATI Physical Therapy may be edited or removed.

Disclaimer

CorporateOfficeHeadquarters.com is an independent informational and consumer-review website. It is not affiliated with, endorsed by, or operated by ATI Physical Therapy, ATI Holdings, LLC, Knighthead Capital Management, Marathon Asset Management, any ATI clinic, therapist, insurer, physician, employer, workers’ compensation administrator, billing provider, or related organization.

Corporate addresses, phone numbers, leadership, ownership, clinic locations, insurance participation, appointment policies, cancellation fees, billing procedures, financial-assistance options, medical-record processes, privacy contacts, and complaint routes may change. This page does not provide medical, physical-therapy, legal, insurance, billing, employment, privacy, regulatory, or patient-rights advice.

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