NPPES file of Aug 9, 2026

William Gardiner Seavey, MD

Geriatric Medicine (Internal Medicine) Physician · Sacramento, CA

William Gardiner Seavey, MD is a geriatric medicine (internal medicine) physician with a practice address in Sacramento, California, and NPI 1831145432, issued on May 25, 2006. Check the license (California 00A611630, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831145432
Name
William Gardiner Seavey
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
00A611630 CA
Self-reported in NPPES; status is on the state search
Practice location
4860 Y St, Sacramento, CA 95817
Phone
(916) 734-5496
Enumerated
May 25, 2006
Record last updated
Jul 13, 2026
Fax
(916) 456-9350
Medicaid ID
00A611630 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →

Also registered at 4860 Y St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Susan Abbott Rogge, NPWomen's Health Nurse Practitioner1245215581
  2. Alireza Abidi, M.D.Gynecologic Oncology Physician1215919477
  3. Tessnim Ahmad, MDGlaucoma Specialist (Ophthalmology) Physician1275161150
  4. Carol Albanese, M.D.Physical Medicine & Rehabilitation Physician1992786016
  5. Wesam AldulemeRegistered Respiratory Therapist1881176543
  6. Fatima Ali, MDAllergy & Immunology (Internal Medicine) Physician1093045023

Verify William Gardiner Seavey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 00A611630    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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William Gardiner Seavey among 532 geriatric medicine (internal medicine) physician records in California

William Gardiner Seavey, MD is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 46% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 51% of these records are
  • Record last updated2026 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in California

There are 532 geriatric medicine (internal medicine) physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 532 in California → Every provider in Sacramento → Geriatric Medicine (Internal Medicine) Physician nationwide →

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Rebecca Boxer, MDSacramento, CA 958171659304830
  2. Nikita Gill, MDSacramento, CA 958171700447984
  3. Beatriz Marron, MDSacramento, CA 958171477130433
  4. John Robbins, M.D.Sacramento, CA 958171942284518
  5. Silvia Arizaga, MDSacramento, CA 958161710009121
  6. Bettina Chrysofakis-Baiduc, M.D.Sacramento, CA 958161265724546
  7. Jae Whan Keum, MDSacramento, CA 958161386106631
  8. Sorour Rahgoshay, MDSacramento, CA 958161083877377

Common questions

What is William Gardiner Seavey, MD's NPI number?

William Gardiner Seavey, MD's National Provider Identifier (NPI) is 1831145432, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Gardiner Seavey, MD located?

The NPPES record lists a practice address at 4860 Y St, Sacramento, CA, 95817. Phone: (916) 734-5496. Providers update this record themselves, so call before visiting.

How can I verify William Gardiner Seavey, MD's license?

NPPES lists California license number 00A611630, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.