James Diep
Foot & Ankle Surgery Podiatrist · Concord, CA
James Diep is a foot & ankle surgery podiatrist with a practice address in Concord, California, and NPI 1740939404, issued on Mar 21, 2022. Check the license (California E6163, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James Diep
- Primary taxonomy
- Foot & Ankle Surgery Podiatrist 213ES0103X
- License number
- E6163 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2338 Almond Ave, Concord, CA 94520
- Phone
- (925) 979-8313
- Enumerated
- Mar 21, 2022
- Record last updated
- Jul 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20251014002729); accepts Medicare assignment
- Medical or professional school
- California School Of Podiatric Medicine, 2022
- Entity
- Type 1 · individual
8 nearest foot & ankle surgery podiatrist records → All 1,248 in California → Look up another NPI →
Also registered at 2338 Almond Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jasdeep Chahal, MDOphthalmology Physician1710341920
- Resham Chahal, MDOphthalmology Physician1023061959
- Lisa Chang, M.D.Ophthalmology Physician1962605907
Verify James Diep in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license E6163Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average foot & ankle surgery podiatrist in 2024
25 Medicare Part D claims for 19 beneficiaries, against an average of 335 among the 7,761 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Sun Healthcare And Surgery Group IncMartinez, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Diep among 1,248 foot & ankle surgery podiatrist records in California
James Diep is one of 1,248 foot & ankle surgery podiatrist records with a practice address in California. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 2% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated2022 · median 2010 among the 970 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 213ES0103X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Foot & Ankle Surgery Podiatrist providers in California
There are 1,248 foot & ankle surgery podiatrist records in California.
All 1,248 in California → Every provider in Concord → Foot & Ankle Surgery Podiatrist nationwide →
The 8 foot & ankle surgery podiatrist records with the nearest ZIP codes
- Jonathan Abraham, DPMConcord, CA 945201508314808
- John Ambrosino, D.P.M.Concord, CA 945201659462273
- Megan Hom, DPMConcord, CA 945201629564869
- Colleen Kenney, D.P.M.Concord, CA 945201184629479
- Timothy Shea, DPMConcord, CA 945201366513707
- Cecile Shepard, D.P.MConcord, CA 945201528153889
- Jeffery Gregori, DPMDanville, CA 945261609967413
- Judianne Walker, D.P.MDanville, CA 945261184949661
Common questions
What is James Diep's NPI number?
James Diep's National Provider Identifier (NPI) is 1740939404, issued on Mar 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is James Diep located?
The NPPES record lists a practice address at 2338 Almond Ave, Concord, CA, 94520. Phone: (925) 979-8313. Providers update this record themselves, so call before visiting.
How can I verify James Diep's license?
NPPES lists California license number E6163, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does James Diep prescribe under Medicare Part D?
In 2024, James Diep had 25 Medicare Part D claims for 19 beneficiaries; the average among foot & ankle surgery podiatrist prescribers was 335. 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.