Dr William Gardiner Seavey, MD - Medicare Internal Medicine in Sacramento, CA

Dr William Gardiner Seavey, MD is a medicare enrolled "Internal Medicine - Geriatric Medicine" physician in Sacramento, California. His current practice location is 4860 Y St, Suite 3900, Sacramento, California. You can reach out to his office (for appointments etc.) via phone at (916) 734-5496.

Dr William Gardiner Seavey is licensed to practice in California (license number 00A611630) 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 1831145432.

Contact Information

Dr William Gardiner Seavey, MD
4860 Y St, Suite 3900,
Sacramento, CA 95817-2307
(916) 734-5496
(916) 456-9350

Map and Direction




Physician's Profile

Full NameDr William Gardiner Seavey
GenderMale
SpecialityInternal Medicine - Geriatric Medicine
Location4860 Y St, Sacramento, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1831145432
  • Provider Enumeration Date: 05/25/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 9436323938
  • Enrollment ID: I20111118000407

Medical Identifiers

Medical identifiers for Dr William Gardiner Seavey such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1831145432NPI-NPPES
00A611630MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0300XInternal Medicine - Geriatric Medicine 00A611630 (California)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 William Gardiner Seavey allows following entities to bill medicare on his behalf.
Entity NameRegents Of The Univ Of Ca
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013906973
PECOS PAC ID: 3375456619
Enrollment ID: O20031111000892

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 Gardiner Seavey 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 Gardiner Seavey, MD
5960 11th Ave,
Sacramento, CA 95820-2432

Ph: () -
Dr William Gardiner Seavey, MD
4860 Y St, Suite 3900,
Sacramento, CA 95817-2307

Ph: (916) 734-5496

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.