Marshall Fay Williams, MD
Family Medicine Physician · Gilroy, CA
Marshall Fay Williams, MD is a family medicine physician with a practice address in Gilroy, California, and NPI 1760468003, issued on Dec 19, 2005. Check the license (California G45805, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marshall Fay Williams
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G45805 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9460 N Name Uno, Gilroy, CA 95020
- Phone
- (408) 842-3133
- Enumerated
- Dec 19, 2005
- Record last updated
- Oct 22, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (408) 842-2229
- Medicare enrollment
- Enrolled (PECOS I20081209000719); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 1980
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 9460 N Name Uno
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jumnah Arasu, M.D., F.A.C.O.G.Obstetrics & Gynecology Physician1790824878
- Richard Dohn, M.DFamily Medicine Physician1558384446
- Dana Edgar, PTPhysical Therapist1376943290
- Cortley Fritter, PTPhysical Therapist1225100522
- George Green, M.DPulmonary Disease Physician1811074875
- Nicholas Kaslin, DDSDentist1184119604
Verify Marshall Fay Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G45805Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Marshall Fay Williams among 17,133 family medicine physician records in California
Marshall Fay Williams, MD is one of 17,133 family medicine physician records with a practice address in California. 81% 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1980 · median 2005 among the 10,652 with a school on file
- Record last updated2008 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 family medicine physician records list a practice address in Gilroy
They are 28 of the 2,100 NPPES records with a practice address in Gilroy, and 17,133 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,133 in California → Every provider in Gilroy → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joseph Barbara, M.D.Gilroy, CA 950201831119486
- Henry Chua, MDGilroy, CA 950201164457370
- Richard Dohn, M.DGilroy, CA 950201558384446
- Lawrence Gamboa, M.D.Gilroy, CA 950201407872187
- Roy Johnson, MDGilroy, CA 950201275619793
- Smitha Kumar, MDGilroy, CA 950201619965688
- Jocelyn Lim, D.OGilroy, CA 950201770507071
- Roger Lucero, MDGilroy, CA 950201437136801
Common questions
What is Marshall Fay Williams, MD's NPI number?
Marshall Fay Williams, MD's National Provider Identifier (NPI) is 1760468003, issued on Dec 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marshall Fay Williams, MD located?
The NPPES record lists a practice address at 9460 N Name Uno, Gilroy, CA, 95020. Phone: (408) 842-3133. Providers update this record themselves, so call before visiting.
How can I verify Marshall Fay Williams, MD's license?
NPPES lists California license number G45805, 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.
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.