James S. Ma, MD
Internal Medicine, Gastroenterology in Riverside, CA. Individual provider (NPI-1).
NPI number1295802007
StatusActive
Last updated in NPPESNov 29, 2021
Details
- NPI
- 1295802007
- Entity type
- Individual (NPI-1)
- Name
- James S. Ma
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- Enumeration date
- Nov 29, 2006
- Last updated
- Nov 29, 2021
Medicare and OIG
- Medicare enrolled (PECOS)
- Yes · PRACTITIONER - GASTROENTEROLOGY
- Can order and refer
- Part B Yes · DME Yes · Home health Yes · Power mobility Yes · Hospice Yes
- OIG exclusion list
- This NPI is not listed
CMS and OIG files of November 2026. PECOS lookup · OIG exclusion check
Taxonomy and licenses
| Taxonomy code | Description | License | State | Primary |
|---|---|---|---|---|
| 207RG0100X | Internal Medicine, Gastroenterology | G74850 | CA | Yes |
Practice location
10800 Magnolia AveRiverside, CA 92505-3043
Phone 909-353-2000
Mailing address
10800 Magnolia AveRiverside, CA 92505-3043
Phone 909-353-2000
Is something wrong?
This page shows exactly what the provider filed with NPPES. Only the provider (or their surrogate) can change it, by signing in to NPPES. Our page updates within a day of their change. See how to update NPI information.
Other Gastroenterology Physician providers in Riverside, CA
- Michael Baek, D.O.NPI 1932476975
- Charles Thomas Chaya, M.D.NPI 1760438873
- Adam I. Chen, MDNPI 1821160300
- Philip T Chen, MDNPI 1073796728
- Eric H Choi, M.D.NPI 1841406568
- Galen C. L. Huang, M.D., INC.NPI 1083813158
- Anil Raghunath Garde, MDNPI 1205817681
- Gastroenterology Medical Practice Of Pejman Solaimani MD INCNPI 1851082267
- Galen Chung-Liang Huang, MDNPI 1316971765
- Jrp Medical Group INCNPI 1629396353
All 29 Gastroenterology Physician providers in Riverside · All 16,640 providers in Riverside
Checking a whole list?
Paste a list of NPIs and get status, record, Medicare enrollment and OIG exclusion for each one. 10 free a day, then credits from $29 for 5,000. Useful for credentialing, billing and pharmacy claim checks.