NPPES file of Aug 9, 2026

Thomas J. Welle, D.O.

Sports Medicine (Orthopaedic Surgery) Physician · Santa Cruz, CA

Thomas J. Welle, D.O. is a sports medicine (orthopaedic surgery) physician with a practice address in Santa Cruz, California, and NPI 1285711242, issued on Nov 1, 2006. Check the license (California 20A7124, 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
1285711242
Name
Thomas J. Welle
Credential
D.O.
Primary taxonomy
Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X
License number
20A7124 CA
Self-reported in NPPES; status is on the state search
Practice location
2907 Chanticleer Ave., Santa Cruz, CA 95065
Phone
(831) 477-2325
Enumerated
Nov 1, 2006
Record last updated
Feb 2, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(831) 477-2330
Medicare enrollment
Enrolled (PECOS I20050620000176); accepts Medicare assignment
Medical or professional school
College Of Osteo Med Of The Pacific At Pomona, 1992
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 sports medicine (orthopaedic surgery) physician records → All 384 in California → Look up another NPI →

Verify Thomas J. Welle in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A7124    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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Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationSanta Cruz, CA

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

Thomas J. Welle among 384 sports medicine (orthopaedic surgery) physician records in California

Thomas J. Welle, D.O. is one of 384 sports medicine (orthopaedic surgery) physician records with a practice address in California. 88% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 57% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated1992 · median 2003 among the 293 with a school on file
  • Record last updated2021 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XX0005X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sports Medicine (Orthopaedic Surgery) Physician providers in California

There are 384 sports medicine (orthopaedic surgery) physician records in California.

All 384 in California → Every provider in Santa Cruz → Sports Medicine (Orthopaedic Surgery) Physician nationwide →

The 8 sports medicine (orthopaedic surgery) physician records with the nearest ZIP codes

  1. Wilson Lai, MDSanta Cruz, CA 950651689231425
  2. Faisal Mirza, MD, FRCSCWatsonville, CA 950761528087178
  3. John Kao, M.D.Santa Clara, CA 950501790840858
  4. Saranya Sethuraman, MDSanta Clara, CA 950501124552351
  5. Eli Chen, M.D.Morgan Hill, CA 950371912220138
  6. Maury Harwood, M.D.Morgan Hill, CA 950371043391352
  7. Nathaniel Cohen, M.D.Los Gatos, CA 950321437187051
  8. Nicholas Colyvas, M.D.Los Gatos, CA 950321134148232

Common questions

What is Thomas J. Welle, D.O.'s NPI number?

Thomas J. Welle, D.O.'s National Provider Identifier (NPI) is 1285711242, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas J. Welle, D.O. located?

The NPPES record lists a practice address at 2907 Chanticleer Ave., Santa Cruz, CA, 95065. Phone: (831) 477-2325. Providers update this record themselves, so call before visiting.

How can I verify Thomas J. Welle, D.O.'s license?

NPPES lists California license number 20A7124, 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.