Quick answers
- Does Kelly Mah accept Medicare assignment?
- Yes. Medicare's clinician data says Kelly Mah accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Kelly Mah's NPI number?
- 1053420489. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kelly Mah works
Medicare's Facility Affiliation Data lists Kelly Mah at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- St Joseph's Medical Center of StocktonStockton, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050084
Practice locations
Addresses where Kelly Mah is enrolled with Medicare (CMS data updated October 2, 2026).
- 1800 N California StStockton, CA 95204 (919) 358‑5014
Group practices
Medicare enrollment lists Kelly Mah as a member of this group (CMS data updated October 2, 2026).
- DHP of California Medical Group Inc14 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Stockton
Clinicians with the same Medicare primary specialty in Stockton, CA — not a recommendation.
Other clinicians in DHP of California Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albert Einstein College Of Medicine Of Yeshiva University |
| Graduation year | 1983 (43 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053420489 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians