What is Si Yan Ma's NPI number?

Si Yan Ma's National Provider Identifier (NPI) is 1699034611, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Si Yan Ma's specialty?

Si Yan Ma is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).

Where is Si Yan Ma located?

Si Yan Ma's practice location on file with NPPES is 2489 Hillsborough Ln, Chino Hills, CA 91709-1113.

What is Si Yan Ma's phone number?

The practice phone number listed in the NPPES registry for Si Yan Ma is (415) 867-4099.

Is Si Yan Ma's NPI active?

Yes — Si Yan Ma's NPI (1699034611) is active in the NPPES registry as of the last update on 2012-05-10.

IndividualActive

Si Yan Ma, RD

NPI 1699034611 · Registered Dietitian · Chino Hills, CA

Si Yan Ma, RD is a Registered Dietitian provider in Chino Hills, CA (NPI 1699034611).

Provider details

NPI number: 1699034611
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: RD
Sex: Female
Sole proprietor: Yes
License: 1021089 (OH)

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense 1021089 (OH)
Dietary & Nutritional Service Providers

Profile Score

Detailed profile(79/100 index)

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

Registry tenure38% of score
14 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

2489 Hillsborough Ln

Chino Hills, CA 91709-1113

Phone: (415) 867-4099

Street-level locationGet directions

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Mailing address