Karyn Duggan, MS, CNS, IFMCP
Nutritionist · San Francisco, CA
Karyn Duggan, MS, CNS, IFMCP is a nutritionist with a practice address in San Francisco, California, and NPI 1356773592, issued on Jul 30, 2013. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Karyn Duggan
- Credential
- MS, CNS, IFMCP
- Primary taxonomy
- Nutritionist 133N00000X
- Practice location
- 2410 California St, San Francisco, CA 94115
- Phone
- (415) 529-4050
- Enumerated
- Jul 30, 2013
- Entity
- Type 1 · individual
Also registered at 2410 California St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Barthel, PA-CPhysician Assistant1194116830
- Stephanie Baubie, APN-CNPNurse Practitioner1518508381
- Charles Burns, MDFamily Medicine Physician1588651582
- Laura Busard, NP-CFamily Nurse Practitioner1265749071
- Vivian Chow, NPFamily Nurse Practitioner1497313134
- Nena Cowan, APRN, MSNNurse Practitioner1366610156
Verify Karyn Duggan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Nutritionist providers in California
There are 556 nutritionist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other nutritionist records in California
- Amanda Abraham, M.S., CHNBerkeley, CA1669267340
- Lucy Adams, M.S., C.N.S.Lafayette, CA1750704227
- Patricia Adams, BCHNScotts Valley, CA1205595121
- Caridad Aguila-Vivar, RDNNewhall, CA1548870140
- Evette Aidinian, MS, CNS, LDNTujunga, CA1750091864
- Rick Ajootian, PH.D.Bakersfield, CA1114052263
- Elizabeth AkbiyikianFresno, CA1053020917
- Ligia Aker, CNSSan Mateo, CA1467394601
- Bernadine AlanizEncino, CA1740910165
- Lisa Alden, CN, CD, MFASan Francisco, CA1972114338
Common questions
What is Karyn Duggan, MS, CNS, IFMCP's NPI number?
Karyn Duggan, MS, CNS, IFMCP's National Provider Identifier (NPI) is 1356773592, issued on Jul 30, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Karyn Duggan, MS, CNS, IFMCP located?
The NPPES record lists a practice address at 2410 California St, San Francisco, CA, 94115. Phone: (415) 529-4050. Providers update this record themselves, so call before visiting.
How can I verify Karyn Duggan, MS, CNS, IFMCP's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.