NPPES file of Aug 9, 2026

Steven Thomas Wai, M.D.

Anesthesiology Physician · Gilroy, CA

Steven Thomas Wai, M.D. is an anesthesiology physician with a practice address in Gilroy, California, and NPI 1750346508, issued on Apr 17, 2006. Check the license (California G66147, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1750346508
Name
Steven Thomas Wai
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
G66147 CA
Self-reported in NPPES; status is on the state search
Practice location
9400 N Name Uno, Gilroy, CA 95020
Phone
(800) 883-7243
Enumerated
Apr 17, 2006
Record last updated
Sep 3, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicaid ID
00G661470 CA
Medicare enrollment
Enrolled (PECOS I20050413001317); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 1983
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →

Also registered at 9400 N Name Uno

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

  1. Mark Ahn, M.D.Anesthesiology Physician1417934670
  2. Sandeep Bains, M.D.Critical Care Medicine (Internal Medicine) Physician1073960159
  3. Patricia Biddle, MSN, FNP-C, RN, CENFamily Nurse Practitioner1396219051
  4. Peter Binkley, MDEmergency Medicine Physician1174735427
  5. Christopher Burke, M.D.Emergency Medicine Physician1316961055
  6. David Carl, MDAnatomic Pathology & Clinical Pathology Physician1750384129

Verify Steven Thomas Wai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G66147    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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Bills Medicare through one group practice

  1. Anesthesia Medical Group OF Santa Cruz IncSanta Cruz, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Steven Thomas Wai among 7,571 anesthesiology physician records in California

Steven Thomas Wai, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 53% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1983 · median 2006 among the 4,868 with a school on file
  • Record last updated2015 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in California

There are 7,571 anesthesiology physician records in California.

All 7,571 in California → Every provider in Gilroy → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Mark Ahn, M.D.Gilroy, CA 950201417934670
  2. Min Lee, M.D.Gilroy, CA 950201083682686
  3. Mohammed Qadeer, M.D.Gilroy, CA 950201346206299
  4. Anubhav Sinha, M.D.Gilroy, CA 950201770620817
  5. Arash Zeighami, D.O.Gilroy, CA 950201376688879
  6. Peilin Chang, MDFreedom, CA 950191750421939
  7. Andrew Horsley, M.D.Freedom, CA 950191417020942
  8. Angela Molina, MDFreedom, CA 950191912979725

Common questions

What is Steven Thomas Wai, M.D.'s NPI number?

Steven Thomas Wai, M.D.'s National Provider Identifier (NPI) is 1750346508, issued on Apr 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steven Thomas Wai, M.D. located?

The NPPES record lists a practice address at 9400 N Name Uno, Gilroy, CA, 95020. Phone: (800) 883-7243. Providers update this record themselves, so call before visiting.

How can I verify Steven Thomas Wai, M.D.'s license?

NPPES lists California license number G66147, 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. Medicare files from data.cms.gov. 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.