What is Fion Ma's NPI number?

Fion Ma's National Provider Identifier (NPI) is 1780556464, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Fion Ma's specialty?

Fion Ma is listed in the NPPES registry with a primary specialty of Genetic Counselor (M.S.) (Other Service Providers).

Where is Fion Ma located?

Fion Ma's practice location on file with NPPES is 2340 Sutter St, San Francisco, CA 94115-3024.

What is Fion Ma's phone number?

The practice phone number listed in the NPPES registry for Fion Ma is (415) 353-2658.

Is Fion Ma's NPI active?

Yes — Fion Ma's NPI (1780556464) is active in the NPPES registry as of the last update on 2025-09-22.

IndividualActive

Fion Ma, MS,CGC

NPI 1780556464 · Genetic Counselor (M.S.) · San Francisco, CA

Fion Ma, MS,CGC is a Genetic Counselor (M.S.) provider in San Francisco, CA (NPI 1780556464).

Provider details

NPI number: 1780556464
Entity type: Individual
Primary specialty: Genetic Counselor (M.S.)Other Service Providers
Credential: MS,CGC
Sex: Female
Sole proprietor: Yes
License: GC001900 (CA)

Specialties & taxonomies

Genetic Counselor (M.S.)Primary170300000XLicense GC001900 (CA)
Other Service Providers

Profile Score

Established profile(54/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in 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

2340 Sutter St

San Francisco, CA 94115-3024

Phone: (415) 353-2658

Street-level locationGet directions

More CA providers

Mailing address