NPPES file of Aug 9, 2026

Thomas P. Holtzapple, MD

Anesthesiology Physician · Santa Clara, CA

Thomas P. Holtzapple, MD is an anesthesiology physician with a practice address in Santa Clara, California, and NPI 1043397979, issued on Oct 31, 2006. Check the license (California G62659, 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
1043397979
Name
Thomas P. Holtzapple
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
G62659 CA
Self-reported in NPPES; status is on the state search
Practice location
900 Kiely Blvd, Santa Clara, CA 95051
Phone
(408) 236-6400
Enumerated
Oct 31, 2006
Record last updated
Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00G626590 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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Also registered at 900 Kiely Blvd

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

  1. Gurpreet Ahluwalia, MDHospitalist Physician1225116890
  2. Nitin Athavale, MDDiagnostic Radiology Physician1568540144
  3. Brian Baker, MDDiagnostic Radiology Physician1689753717
  4. Robert Bammer, PHARM.D.Pharmacist1063598357
  5. James Baxter, MDHospitalist Physician1679659502
  6. John Budis, RPHPharmacist1104906916

Verify Thomas P. Holtzapple in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G62659
    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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Thomas P. Holtzapple among 7,571 anesthesiology physician records in California

Thomas P. Holtzapple, MD 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 updated2021 · 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.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Teresa Chiu, MDSanta Clara, CA 950511023195963
  2. Jenifer Damewood, MDSanta Clara, CA 950511629155569
  3. Stephen Fisk, MDSanta Clara, CA 950511851478705
  4. Gordon Haddow, MDSanta Clara, CA 950511649358243
  5. James Healzer, MDSanta Clara, CA 950511003993932
  6. Sumangala Kuramkote, MDSanta Clara, CA 950511720165673
  7. Annie Lee, MDSanta Clara, CA 950511578641148
  8. Greg Neukirchner, M.D.Santa Clara, CA 950511275568503

Common questions

What is Thomas P. Holtzapple, MD's NPI number?

Thomas P. Holtzapple, MD's National Provider Identifier (NPI) is 1043397979, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas P. Holtzapple, MD located?

The NPPES record lists a practice address at 900 Kiely Blvd, Santa Clara, CA, 95051. Phone: (408) 236-6400. Providers update this record themselves, so call before visiting.

How can I verify Thomas P. Holtzapple, MD's license?

NPPES lists California license number G62659, 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.