Sarah Koszyk, M.A., R.D.
NPI 1174767461 · Registered Dietitian · San Francisco, CA
Sarah Koszyk, M.A., R.D. is a Registered Dietitian provider in San Francisco, CA (NPI 1174767461).
Provider details
- NPI number
- 1174767461
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- M.A., R.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 941080 (CA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Dietary & Nutritional Service Providers
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2009-04-30
- Last updated
- 2012-11-06
Frequently asked questions
- What is Sarah Koszyk's NPI number?
- Sarah Koszyk's National Provider Identifier (NPI) is 1174767461, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Koszyk's specialty?
- Sarah Koszyk is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Sarah Koszyk located?
- Sarah Koszyk's practice location on file with NPPES is 870 Market St, San Francisco, CA 94102-3099.
- What is Sarah Koszyk's phone number?
- The practice phone number listed in the NPPES registry for Sarah Koszyk is (415) 398-2102.
- Is Sarah Koszyk's NPI active?
- Yes — Sarah Koszyk's NPI (1174767461) is active in the NPPES registry as of the last update on 2012-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.