Dr William Sellman, MD - Medicare Family Practice in San Francisco, CA

Dr William Sellman, MD is a medicare enrolled "Family Medicine" physician in San Francisco, California. He went to Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University and graduated in 1996 and has 28 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice One Medical Group Inc and his current practice location is 559 Clay St Ste 200, San Francisco, California. You can reach out to his office (for appointments etc.) via phone at (415) 644-5265.

Dr William Sellman is licensed to practice in California (license number A65803) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1205999034.

Contact Information

Dr William Sellman, MD
559 Clay St Ste 200,
San Francisco, CA 94111-3029
(415) 644-5265
(415) 291-0489

Map and Direction




Physician's Profile

Full NameDr William Sellman
GenderMale
SpecialityFamily Practice
Experience28 Years
Location559 Clay St Ste 200, San Francisco, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr William Sellman attended and graduated from Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University in 1996
  NPI Data:
  • NPI Number: 1205999034
  • Provider Enumeration Date: 12/19/2006
  • Last Update Date: 05/30/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 9335275379
  • Enrollment ID: I20100330000427

Medical Identifiers

Medical identifiers for Dr William Sellman such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205999034NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine A65803 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
One Medical Group Inc2567623739291

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 William Sellman allows following entities to bill medicare on his behalf.
Entity NameOne Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467781641
PECOS PAC ID: 2567623739
Enrollment ID: O20120416000113

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 William Sellman 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 William Sellman, MD
1 Embarcadero Ctr Ste 1900,
San Francisco, CA 94111-3723

Ph: (415) 658-6791
Dr William Sellman, MD
559 Clay St Ste 200,
San Francisco, CA 94111-3029

Ph: (415) 644-5265

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.

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.