NPPES file of Aug 9, 2026

Thomas M. Wiggins, M.D.

Anesthesiology Physician · Oxnard, CA

Thomas M. Wiggins, M.D. is an anesthesiology physician with a practice address in Oxnard, California, and NPI 1528004199, issued on Jun 21, 2006. Check the license (California G18195, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528004199
Name
Thomas M. Wiggins
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
G18195 CA
Self-reported in NPPES; status is on the state search
Practice location
2300 Wankel Way, Oxnard, CA 93031
Phone
(805) 485-1908
Enumerated
Jun 21, 2006
Record last updated
Aug 4, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(805) 485-5767
Medicaid ID
00G181950 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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Verify Thomas M. Wiggins in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G18195
    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

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94% fewer Medicare Part D claims than the average anesthesiology physician in 2024

24 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D.

  1. Thomas Wiggins24
  2. Specialty average402

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.

Thomas M. Wiggins among 7,571 anesthesiology physician records in California

Thomas M. Wiggins, 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 fileNo · 64% of these records are
  • Record last updated2008 · 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.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Melissa Arbar, DOOxnard, CA 930301063875136
  2. Jon Belleville, M.D.Oxnard, CA 930301013069426
  3. William Berard, M.D.Oxnard, CA 930301639289705
  4. Parvinjit Dhaliwal, D.O.Oxnard, CA 930301952834616
  5. Thomas Doria, M.D.Oxnard, CA 930301619087764
  6. Mark Harlacher, M.D.Oxnard, CA 930301457360638
  7. Randall Holtby, M.D.Oxnard, CA 930301801320569
  8. Vance Kalcic, M.D.Oxnard, CA 930301669586814

Common questions

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

Thomas M. Wiggins, M.D.'s National Provider Identifier (NPI) is 1528004199, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas M. Wiggins, M.D. located?

The NPPES record lists a practice address at 2300 Wankel Way, Oxnard, CA, 93031. Phone: (805) 485-1908. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number G18195, 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.

How much does Thomas M. Wiggins, M.D. prescribe under Medicare Part D?

In 2024, Thomas M. Wiggins, M.D. had 24 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. 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.