Janelle Giangerelli, RDN
NPI 1578216909 · Registered Dietitian · South San Francisco, CA
Janelle Giangerelli, RDN is a Registered Dietitian provider in South San Francisco, CA (NPI 1578216909).
Provider details
- NPI number
- 1578216909
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RDN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 925957
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
4 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
- 2022-01-26
- Last updated
- 2022-01-26
- Certified
- 2022-01-26
Frequently asked questions
- What is Janelle Giangerelli's NPI number?
- Janelle Giangerelli's National Provider Identifier (NPI) is 1578216909, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janelle Giangerelli's specialty?
- Janelle Giangerelli is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Janelle Giangerelli located?
- Janelle Giangerelli's practice location on file with NPPES is 100 Cherry Ave, South San Francisco, CA 94080-4522.
- What is Janelle Giangerelli's phone number?
- The practice phone number listed in the NPPES registry for Janelle Giangerelli is (917) 952-2177.
- Is Janelle Giangerelli's NPI active?
- Yes — Janelle Giangerelli's NPI (1578216909) is active in the NPPES registry as of the last update on 2022-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.