Dr Tammy Chang, MD - Medicare Family Medicine in Ypsilanti, MI

Dr Tammy Chang, MD is a medicare enrolled "Family Medicine" physician in Ypsilanti, Michigan. Her current practice location is 200 Arnet St, Suite 200, Ypsilanti, Michigan. You can reach out to her office (for appointments etc.) via phone at (734) 482-6221.

Dr Tammy Chang is licensed to practice in Michigan (license number 4301089804) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1801094966.

Contact Information

Dr Tammy Chang, MD
200 Arnet St, Suite 200,
Ypsilanti, MI 48198-5753
(734) 482-6221
Not Available

Map and Direction




Physician's Profile

Full NameDr Tammy Chang
GenderFemale
SpecialityFamily Medicine
Location200 Arnet St, Ypsilanti, Michigan
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1801094966
  • Provider Enumeration Date: 07/10/2007
  • Last Update Date: 10/14/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 1456535194
  • Enrollment ID: I20110725000248

Medical Identifiers

Medical identifiers for Dr Tammy Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1801094966NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine MD60170872 (Washington)Secondary
207Q00000XFamily Medicine 4301089804 (Michigan)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Tammy Chang allows following entities to bill medicare on her behalf.
Entity NameRegents Of The University Of Michigan
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669402848
PECOS PAC ID: 3779496856
Enrollment ID: O20031117000359

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. Dr Tammy Chang 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
Dr Tammy Chang, MD
3621 S State St, 700 Kms Place,
Ann Arbor, MI 48108

Ph: (734) 936-2047
Dr Tammy Chang, MD
200 Arnet St, Suite 200,
Ypsilanti, MI 48198-5753

Ph: (734) 482-6221

Reviews and Comments


Family Medicine Doctors in Ypsilanti, MI

Ryan Balacanao Huerto, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 200 Arnet St, Ypsilanti, MI 48198
Phone: 734-482-6221    
Christine Theresa Cigolle, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 200 Arnett St, Suite 200, Ypsilanti, MI 48198
Phone: 734-482-6221    
Dr. Michael Washburn Smith, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 3145 W Clark Rd, Suite 201, Ypsilanti, MI 48197
Phone: 734-528-5700    Fax: 734-572-9100
Laura Emily Ann Lee, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 200 Arnet St, Ypsilanti, MI 48198
Phone: 734-482-6221    
Ross Philip Schmaeman, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 4940 W Clark Rd Ste 100, Ypsilanti, MI 48197
Phone: 734-971-1188    Fax: 734-971-3658
Dr. Robert Breakey, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 4940 W Clark Rd, Ste 100, Ypsilanti, MI 48197
Phone: 734-971-1188    Fax: 734-971-3658
Ellen H. Gryniewicz, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 3145 W Clark Rd, Suite 401, Ypsilanti, MI 48197
Phone: 734-528-5700    Fax: 734-528-5701

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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.