Jennifer M. Duffy, PHD
Specialist · Corte Madera, CA
Jennifer M. Duffy, PHD is a specialist with a practice address in Corte Madera, California, and NPI 1881716470, issued on Apr 4, 2007. Check the license (California PSY17924, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Jennifer M. Duffy
- Credential
- PHD
- Primary taxonomy
- Specialist 174400000X
- License number
- PSY17924 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Tamal Plz, Corte Madera, CA 94925
- Phone
- (415) 721-9721
- Enumerated
- Apr 4, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 100 Tamal Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barbara Berman, PSY 15396Clinical Psychologist1679887442
- Brooke Brown, PHDPsychologist1952636870
- Kristin Burrell, M.A., CCC-SLPSpeech-Language Pathologist1295862704
- Tana Clark, PH.DPsychologist1992908891
- Valerie Crawford, PH.D.Psychologist1609234186
- Caroline Kawashima, MSMarriage & Family Therapist1902725237
Verify Jennifer M. Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY17924Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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There are 5,749 specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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Common questions
What is Jennifer M. Duffy, PHD's NPI number?
Jennifer M. Duffy, PHD's National Provider Identifier (NPI) is 1881716470, issued on Apr 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer M. Duffy, PHD located?
The NPPES record lists a practice address at 100 Tamal Plz, Corte Madera, CA, 94925. Phone: (415) 721-9721. Providers update this record themselves, so call before visiting.
How can I verify Jennifer M. Duffy, PHD's license?
NPPES lists California license number PSY17924, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.