Thomas Kirk O'brien, MD - Medicare Internal Medicine in Ann Arbor, MI

Thomas Kirk O'brien, MD is a medicare enrolled "Internal Medicine" physician in Ann Arbor, Michigan. His current practice location is 6276 Jackson Rd, Suite B, Ann Arbor, Michigan. You can reach out to his office (for appointments etc.) via phone at (734) 663-4490.

Thomas Kirk O'brien is licensed to practice in Michigan (license number 406214) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1033188545.

Contact Information

Thomas Kirk O'brien, MD
6276 Jackson Rd, Suite B,
Ann Arbor, MI 48103-9579
(734) 663-4490
Not Available

Map and Direction




Physician's Profile

Full NameThomas Kirk O'brien
GenderMale
SpecialityInternal Medicine
Location6276 Jackson Rd, Ann Arbor, Michigan
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1033188545
  • Provider Enumeration Date: 03/16/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 9830185628
  • Enrollment ID: I20140521000979

Medical Identifiers

Medical identifiers for Thomas Kirk O'brien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033188545NPI-NPPES
2871468MedicaidMI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 406214 (Michigan)Primary

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Thomas Kirk O'brien is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Thomas Kirk O'brien, MD
6276 Jackson Rd, Suite B,
Ann Arbor, MI 48103-9579

Ph: (734) 663-4490
Thomas Kirk O'brien, MD
6276 Jackson Rd, Suite B,
Ann Arbor, MI 48103-9579

Ph: (734) 663-4490

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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