Mary Ann Langvardt, RD
NPI 1730301599 · Registered Dietitian · San Francisco, CA
Mary Ann Langvardt, RD is a Registered Dietitian provider in San Francisco, CA (NPI 1730301599).
Provider details
- NPI number
- 1730301599
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 842218 (CA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-05-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Ann Langvardt's NPI number?
- Mary Ann Langvardt's National Provider Identifier (NPI) is 1730301599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ann Langvardt's specialty?
- Mary Ann Langvardt is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Mary Ann Langvardt located?
- Mary Ann Langvardt's practice location on file with NPPES is 375 Laguna Honda Blvd, San Francisco, CA 94116-1411.
- What is Mary Ann Langvardt's phone number?
- The practice phone number listed in the NPPES registry for Mary Ann Langvardt is (415) 759-3097.
- Is Mary Ann Langvardt's NPI active?
- Yes — Mary Ann Langvardt's NPI (1730301599) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.