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April Marquardt, RD
NPI 1780565077 · Registered Dietitian · San Francisco, CA
April Marquardt, RD is a Registered Dietitian provider in San Francisco, CA (NPI 1780565077).
Provider details
- NPI number
- 1780565077
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- No
- License
- 86253498 (CA)
Specialties & taxonomies
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
425 California St Ste 1400
San Francisco, CA 94104-2116
Phone: (212) 589-2700
Street-level locationGet directions
Mailing address
425 California St Ste 1400
San Francisco, CA 94104-2116
Registry dates
- Enumerated
- 2025-09-11
- Last updated
- 2025-09-11
- Certified
- 2025-09-11
Frequently asked questions
- What is April Marquardt's NPI number?
- April Marquardt's National Provider Identifier (NPI) is 1780565077, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is April Marquardt's specialty?
- April Marquardt is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is April Marquardt located?
- April Marquardt's practice location on file with NPPES is 425 California St Ste 1400, San Francisco, CA 94104-2116.
- What is April Marquardt's phone number?
- The practice phone number listed in the NPPES registry for April Marquardt is (212) 589-2700.
- Is April Marquardt's NPI active?
- Yes — April Marquardt's NPI (1780565077) 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.