Mary Ma, MD
NPI 1356606263 · Obstetrics & Gynecology Physician · La Mesa, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Ma, MD is a Obstetrics & Gynecology Physician provider in La Mesa, CA (NPI 1356606263).
Provider details
- NPI number
- 1356606263
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 284755 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 1809 National AveSan Diego, CA 92113-2113Phone: (619) 515-2300
Registry dates
- Enumerated
- 2012-07-06
- Last updated
- 2024-06-20
- Certified
- 2024-06-20
Frequently asked questions
- What is Mary Ma's NPI number?
- Mary Ma's National Provider Identifier (NPI) is 1356606263, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ma's specialty?
- Mary Ma is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Ma located?
- Mary Ma's practice location on file with NPPES is 5555 Grossmont Center Dr, La Mesa, CA 91942-3019.
- What is Mary Ma's phone number?
- The practice phone number listed in the NPPES registry for Mary Ma is (619) 740-6000.
- Does Mary Ma accept Medicare?
- Mary Ma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Ma's NPI active?
- Yes — Mary Ma's NPI (1356606263) is active in the NPPES registry as of the last update on 2024-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.