NPPES file of Aug 9, 2026

James L. Sepiol, M.D.

Adult Medicine Physician · Stockton, CA

James L. Sepiol, M.D. is an adult medicine physician with a practice address in Stockton, California, and NPI 1780857474, issued on Apr 2, 2008. Check the license (California A330696, 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
1780857474
Name
James L. Sepiol
Credential
M.D.
Primary taxonomy
Adult Medicine Physician 207QA0505X
License numbers
A330696 CA
A33069 CA
Self-reported in NPPES; status is on the state search
Practice location
1429 W Fremont St, Stockton, CA 95203
Phone
(209) 546-7767
Enumerated
Apr 2, 2008
Record last updated
Apr 2, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(209) 546-7785
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.
Download card Updates feed

8 nearest adult medicine physician records → All 386 in California → Look up another NPI →

Also registered at 1429 W Fremont St

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

  1. Matthew AllenPhysical Therapist1063933661
  2. Tyreina Amey, PTAPhysical Therapy Assistant1104129857
  3. Richard CrispPhysical Therapist1073739595
  4. Kevin Dunn, PT, DPTPhysical Therapist1225683139
  5. Sheila Lederer, PA-CMedical Physician Assistant1811290638
  6. Diane Paul, NURSE PRACTITIONERFamily Nurse Practitioner1235428830

Verify James L. Sepiol in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A330696    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

James L. Sepiol among 386 adult medicine physician records in California

James L. Sepiol, M.D. is one of 386 adult medicine physician records with a practice address in California. 69% 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 2008, is newer than 51% of them.

  • NPI issued2008 · 51% of these records are older, 45% newer
  • In a Medicare fileNo · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 48% 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 207QA0505X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Medicine Physician providers in California

There are 386 adult medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 386 in California → Every provider in Stockton → Adult Medicine Physician nationwide →

The 8 adult medicine physician records with the nearest ZIP codes

  1. Naju Dah, MDStockton, CA 952041609920727
  2. James Holmes, M.D.Stockton, CA 952071508945940
  3. Allison Bernardo, DOStockton, CA 952101932662392
  4. Katherine Cadacio, M.D.Stockton, CA 952101336465111
  5. Fong Lai, M.D.Stockton, CA 952151528373537
  6. Sandra Shetzline, DOArnold, CA 952231033227715
  7. Shani Truong, M.D.French Camp, CA 952311972096659
  8. Benedicto Estoesta, M.D.Valley Springs, CA 952521649451071

Common questions

What is James L. Sepiol, M.D.'s NPI number?

James L. Sepiol, M.D.'s National Provider Identifier (NPI) is 1780857474, issued on Apr 2, 2008. An NPI identifies a provider in billing; it is not a license.

Where is James L. Sepiol, M.D. located?

The NPPES record lists a practice address at 1429 W Fremont St, Stockton, CA, 95203. Phone: (209) 546-7767. Providers update this record themselves, so call before visiting.

How can I verify James L. Sepiol, M.D.'s license?

NPPES lists California license number A330696, 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.

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.