Gray R. Williams, DPM
Podiatrist · Vallejo, CA
Gray R. Williams, DPM is a podiatrist with a practice address in Vallejo, California, and NPI 1750455028, issued on Nov 20, 2006. Check the license (California E4081, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gray R. Williams
- Credential
- DPM
- Primary taxonomy
- Podiatrist 213E00000X
- License number
- E4081 CA
Self-reported in NPPES; status is on the state search - Practice location
- 975 Sereno Dr, Vallejo, CA 94589
- Phone
- (707) 651-1000
- Enumerated
- Nov 20, 2006
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110502000778); accepts Medicare assignment
- Medical or professional school
- Barry University School Of Podiatric Medicine, 1995
- Entity
- Type 1 · individual
8 nearest podiatrist records → All 1,023 in California → Look up another NPI →
Also registered at 975 Sereno Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joel Aandahl, NPAdult Health Nurse Practitioner1891423653
- Noman Absar, MDCritical Care Medicine (Internal Medicine) Physician1205908951
- Anthony Acquaviva, MDUrology Physician1457439283
- Jhonnard James Acuna, CRNACertified Registered Nurse Anesthetist1205997327
- Omid AfshariPharmacist1184165391
- Eesha AftabStudent in an Organized Health Care Education/Training Program1770421687
Verify Gray R. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license E4081Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average podiatrist in 2024
103 Medicare Part D claims for 55 beneficiaries, against an average of 314 among the 6,407 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Gabapentin18 claims
- Ondansetron Hcl17 claims
- Ibuprofen13 claims
- Oxycodone Hcl12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Permanente Medical Group IncVallejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gray R. Williams among 1,023 podiatrist records in California
Gray R. Williams, DPM is one of 1,023 podiatrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 33% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1995 · median 1998 among the 593 with a school on file
- Record last updated2021 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 213E00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Podiatrist providers in California
There are 1,023 podiatrist records in California.
All 1,023 in California → Every provider in Vallejo → Podiatrist nationwide →
The 8 podiatrist records with the nearest ZIP codes
- Matthew Janda, DPMVallejo, CA 945891558868950
- Mohammed Moharrami, DPMVallejo, CA 945891912085812
- Ronald Paterno, DPMVallejo, CA 945891194803684
- Steven Seibert, DPMVallejo, CA 945891497833230
- Lance Vanwoy, DPMVallejo, CA 945891346394095
- Lisa Breuner, DPMPleasanton, CA 945881215940283
- Craig Klooster, DPMPleasanton, CA 945881568563575
- Shannon Rush, DPMPleasanton, CA 945881083788681
Common questions
What is Gray R. Williams, DPM's NPI number?
Gray R. Williams, DPM's National Provider Identifier (NPI) is 1750455028, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gray R. Williams, DPM located?
The NPPES record lists a practice address at 975 Sereno Dr, Vallejo, CA, 94589. Phone: (707) 651-1000. Providers update this record themselves, so call before visiting.
How can I verify Gray R. Williams, DPM's license?
NPPES lists California license number E4081, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gray R. Williams, DPM prescribe under Medicare Part D?
In 2024, Gray R. Williams, DPM had 103 Medicare Part D claims for 55 beneficiaries; the average among podiatrist prescribers was 314. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.