IndividualActive
Karyn Duggan, MS, CNS, IFMCP
NPI 1356773592 · Nutritionist · San Francisco, CA
Karyn Duggan, MS, CNS, IFMCP is a Nutritionist provider in San Francisco, CA (NPI 1356773592).
Provider details
- NPI number
- 1356773592
- Entity type
- Individual
- Primary specialty
- NutritionistDietary & Nutritional Service Providers
- Credential
- MS, CNS, IFMCP
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
2410 California St
San Francisco, CA 94115-2681
Phone: (415) 529-4050
Street-level locationGet directions
Mailing address
70 Currey Ave
Sausalito, CA 94965-1852
Additional practice locations (1)
- 70 Currey AveSausalito, CA 94965-1852Phone: (415) 505-4423
Registry dates
- Enumerated
- 2013-07-30
- Last updated
- 2025-09-11
- Certified
- 2025-03-25
Frequently asked questions
- What is Karyn Duggan's NPI number?
- Karyn Duggan's National Provider Identifier (NPI) is 1356773592, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karyn Duggan's specialty?
- Karyn Duggan is listed in the NPPES registry with a primary specialty of Nutritionist (Dietary & Nutritional Service Providers).
- Where is Karyn Duggan located?
- Karyn Duggan's practice location on file with NPPES is 2410 California St, San Francisco, CA 94115-2681.
- What is Karyn Duggan's phone number?
- The practice phone number listed in the NPPES registry for Karyn Duggan is (415) 529-4050.
- Is Karyn Duggan's NPI active?
- Yes — Karyn Duggan's NPI (1356773592) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.