John Hearst Welborn, M.D.
Orthopaedic Surgery Physician · Pinole, CA
John Hearst Welborn, M.D. is an orthopaedic surgery physician with a practice address in Pinole, California, and NPI 1235179144, issued on Jun 8, 2006. Check the license (California A61831, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Hearst Welborn
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- A61831 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1700 San Pablo Ave, Pinole, CA 94564
- Phone
- (510) 724-4600
- Enumerated
- Jun 8, 2006
- Record last updated
- Aug 29, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (510) 964-0607
- Medicaid ID
- 00A618310 CA
- Medicare enrollment
- Enrolled (PECOS I20050223000927); may accept Medicare assignment
- Medical or professional school
- Medical College Of Georgia School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 1700 San Pablo Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Daniels, MSN, CRNACertified Registered Nurse Anesthetist1750566261
- George Lee, MDAnesthesiology Physician1700950938
- Roger Proctor, M.D.Anesthesiology Physician1184761090
- Cindy RossAudiologist1255674859
Verify John Hearst Welborn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A61831Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
27 Medicare Part D claims for 16 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 14 claims were for opioids.
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.
John Hearst Welborn among 2,276 orthopaedic surgery physician records in California
John Hearst Welborn, M.D. is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1995 · median 2003 among the 1,347 with a school on file
- Record last updated2012 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in California
There are 2,276 orthopaedic surgery physician records in California.
All 2,276 in California → Every provider in Pinole → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Kenneth Jensen, MDOrinda, CA 945631467543694
- Hany Elrashidy, M.DDublin, CA 945681376790089
- Michael Caravelli, M.D.Napa, CA 945581528224441
- Joseph McCoy, M.D.Napa, CA 945581013019082
- Michael Shifflett, M.D.Napa, CA 945581861439515
- Richard Welch, MDNapa, CA 945581275611006
- Burt Auerbach, M.D.Martinez, CA 945531063569226
- Jaison James, M.D.Martinez, CA 945531255594818
Common questions
What is John Hearst Welborn, M.D.'s NPI number?
John Hearst Welborn, M.D.'s National Provider Identifier (NPI) is 1235179144, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Hearst Welborn, M.D. located?
The NPPES record lists a practice address at 1700 San Pablo Ave, Pinole, CA, 94564. Phone: (510) 724-4600. Providers update this record themselves, so call before visiting.
How can I verify John Hearst Welborn, M.D.'s license?
NPPES lists California license number A61831, 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 John Hearst Welborn, M.D. prescribe under Medicare Part D?
In 2024, John Hearst Welborn, M.D. had 27 Medicare Part D claims for 16 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.