NPPES file of Aug 9, 2026

Jan Murray Corwin, DC

Sports Physician Chiropractor · Oakland, CA

Jan Murray Corwin, DC is a sports physician chiropractor with a practice address in Oakland, California, and NPI 1366441974, issued on Jul 15, 2005. Check the license (California 11882, as entered in NPPES) with the California board that licenses this profession; 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
1366441974
Name
Jan Murray Corwin
Credential
DC
Primary taxonomy
Sports Physician Chiropractor 111NS0005X
License number
11882 CA
Self-reported in NPPES; status is on the state search
Practice location
494 Hawthorne Ave, Oakland, CA 94609
Phone
(510) 654-8547
Enumerated
Jul 15, 2005
Record last updated
Jul 13, 2026
Fax
(510) 654-9247
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 494 Hawthorne Ave

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

  1. Thai NguyenInternal Medicine Physician1295361343
  2. Sidharth Verma, D.C.Chiropractor1184623779

Verify Jan Murray Corwin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 11882
    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
Find 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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Jan Murray Corwin among 404 sports physician chiropractor records in California

Jan Murray Corwin, DC is one of 404 sports physician chiropractor records with a practice address in California. 8% 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileNo · 8% of these records are
  • In the CMS Doctors and Clinicians fileNo · 27% of these records are
  • Record last updated2026 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111NS0005X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sports Physician Chiropractor providers in California

There are 404 sports physician chiropractor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 sports physician chiropractor records with the nearest ZIP codes

  1. Delene Bivolcic, D.C. CCRDOakland, CA 946091902991227
  2. Michael Hirsch, D.C.Oakland, CA 946091992889638
  3. Peter Leopold, DCOakland, CA 946091992264386
  4. Jeffrey Abreu, DCEmeryville, CA 946081548751951
  5. Janice Alden, D.C.Oakland, CA 946101720207012
  6. Abu Pigott, DCOakland, CA 946101396044384
  7. Matthew Green, D.C.Oakland, CA 946111124220793
  8. Craig Ladow, D.C.Oakland, CA 946121346452695

Common questions

What is Jan Murray Corwin, DC's NPI number?

Jan Murray Corwin, DC's National Provider Identifier (NPI) is 1366441974, issued on Jul 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Jan Murray Corwin, DC located?

The NPPES record lists a practice address at 494 Hawthorne Ave, Oakland, CA, 94609. Phone: (510) 654-8547. Providers update this record themselves, so call before visiting.

How can I verify Jan Murray Corwin, DC's license?

NPPES lists California license number 11882, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.