Xin Ma, PA
NPI 1982864427 · Physician Assistant · Stanford, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Xin Ma, PA is a Physician Assistant provider in Stanford, CA (NPI 1982864427).
Provider details
- NPI number
- 1982864427
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- PA16503 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2008-06-09
- Last updated
- 2023-04-21
- Certified
- 2023-04-21
Frequently asked questions
- What is Xin Ma's NPI number?
- Xin Ma's National Provider Identifier (NPI) is 1982864427, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Xin Ma's specialty?
- Xin Ma is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Xin Ma located?
- Xin Ma's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Xin Ma's phone number?
- The practice phone number listed in the NPPES registry for Xin Ma is (650) 724-9740.
- Does Xin Ma accept Medicare?
- Xin Ma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Xin Ma's NPI active?
- Yes — Xin Ma's NPI (1982864427) is active in the NPPES registry as of the last update on 2023-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.