What is Ryan Ng's NPI number?

Ryan Ng's National Provider Identifier (NPI) is 1720953672, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ryan Ng's specialty?

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

Where is Ryan Ng located?

Ryan Ng's practice location on file with NPPES is 978a Jackson St, San Francisco, CA 94133-7195.

What is Ryan Ng's phone number?

The practice phone number listed in the NPPES registry for Ryan Ng is (415) 730-4840.

Is Ryan Ng's NPI active?

Yes — Ryan Ng's NPI (1720953672) is active in the NPPES registry as of the last update on 2025-10-09.

IndividualActive

Ryan Ng, RD

NPI 1720953672 · Registered Dietitian · San Francisco, CA

Ryan Ng, RD is a Registered Dietitian provider in San Francisco, CA (NPI 1720953672).

Provider details

NPI number: 1720953672
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: RD
Sex: Male
Sole proprietor: Yes
License: 86106190 (CA)

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense 86106190 (CA)
Dietary & Nutritional 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

978a Jackson St

San Francisco, CA 94133-7195

Phone: (415) 730-4840

Street-level locationGet directions

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Mailing address