William Tham, MD - Medicare Physical Medicine & Rehabilitation in Annapolis, MD

William Tham, MD is a medicare enrolled "Physical Medicine & Rehabilitation - Pain Medicine" physician in Annapolis, Maryland. His current practice location is 2002 Medical Pkwy, Suite 430, Annapolis, Maryland. You can reach out to his office (for appointments etc.) via phone at (410) 266-2700.

William Tham is licensed to practice in Maryland (license number D40561) 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 1114917937.

Contact Information

William Tham, MD
2002 Medical Pkwy, Suite 430,
Annapolis, MD 21401-3046
(410) 266-2700
(410) 269-1149

Map and Direction




Physician's Profile

Full NameWilliam Tham
GenderMale
SpecialityPhysical Medicine & Rehabilitation - Pain Medicine
Location2002 Medical Pkwy, Annapolis, Maryland
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1114917937
  • Provider Enumeration Date: 10/24/2005
  • Last Update Date: 01/24/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 9234297409
  • Enrollment ID: I20101216000140

Medical Identifiers

Medical identifiers for William Tham such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1114917937NPI-NPPES
52125237OtherMDMD BLUE SHIELD
63990OtherMDMAMSI HEALTH PLANS
4139559OtherAETNA
C4750001OtherDCDC BLUE SHIELD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2081P2900XPhysical Medicine & Rehabilitation - Pain Medicine D40561 (Maryland)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. William Tham allows following entities to bill medicare on his behalf.
Entity NamePhysical Medicine & Pain Management Associates, P.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1558359661
PECOS PAC ID: 7618907791
Enrollment ID: O20050818000191

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. William Tham 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
William Tham, MD
2002 Medical Pkwy, Suite 430,
Annapolis, MD 21401-3046

Ph: (410) 266-2700
William Tham, MD
2002 Medical Pkwy, Suite 430,
Annapolis, MD 21401-3046

Ph: (410) 266-2700

Reviews and Comments


Physical Medicine & Rehabilitation Doctors in Annapolis, MD

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Dr. Charles William Simmons, M.D.
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Phone: 855-527-7246    Fax: 866-229-5063
Susan Prosser,
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Medicare: Not Enrolled in Medicare
Practice Location: 2000 Medical Pkwy Ste 404, Annapolis, MD 21401
Phone: 443-481-1140    

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.