NPPES file of Aug 9, 2026

Tad Nishimura, M.D.

Anesthesiology Physician · Redwood City, CA

Tad Nishimura, M.D. is an anesthesiology physician with a practice address in Redwood City, California, and NPI 1720161672, issued on Oct 23, 2006. Check the license (California A23652, 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
1720161672
Name
Tad Nishimura
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
A23652 CA
Self-reported in NPPES; status is on the state search
Practice location
170 Alameda DE Las Pulgas, Redwood City, CA 94062
Phone
(650) 367-5992
Enumerated
Oct 23, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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 anesthesiology physician records → All 7,571 in California → Look up another NPI →

Also registered at 170 Alameda DE Las Pulgas

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

  1. Sarah AbuseifHospitalist Physician1801281795
  2. David Adams, M.DEmergency Medicine Physician1891735643
  3. Michele AdkissonPerfusionist1831321447
  4. Jyothi Adsumilli, M.D.,Hospitalist Physician1245508159
  5. Ari AuwinitzkyPerfusionist1629585583
  6. Marjorie Berry Simon, LCSWClinical Social Worker1639477532

Verify Tad Nishimura in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A23652    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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Tad Nishimura among 7,571 anesthesiology physician records in California

Tad Nishimura, 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 not. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 53% newer
  • In a Medicare fileNo · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2007 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Vicki Coe, M.DWoodside, CA 940621205976339
  2. Aviva Cohen, M.D.Redwood City, CA 940621962420364
  3. Robert Fisher, M.D.Redwood City, CA 940621801837000
  4. Lewis MargolisRedwood City, CA 940621235231739
  5. Daniel McFarland, M.D.Redwood City, CA 940621881795904
  6. Debra ReinkingRedwood City, CA 940621548365083
  7. Timothy SchweitzerWoodside, CA 940621598954190
  8. Jeffrey ShapiroRedwood City, CA 940621396847893

Common questions

What is Tad Nishimura, M.D.'s NPI number?

Tad Nishimura, M.D.'s National Provider Identifier (NPI) is 1720161672, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tad Nishimura, M.D. located?

The NPPES record lists a practice address at 170 Alameda DE Las Pulgas, Redwood City, CA, 94062. Phone: (650) 367-5992. Providers update this record themselves, so call before visiting.

How can I verify Tad Nishimura, M.D.'s license?

NPPES lists California license number A23652, 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.