NPPES file of Aug 9, 2026

Katherine Barnes Duncan, PHARMD

Pharmacist · Santa Rosa, CA

Katherine Barnes Duncan, PHARMD is a pharmacist with a practice address in Santa Rosa, California, and NPI 1083918973, issued on Jan 6, 2011. Check the license (California 54262, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083918973
Name
Katherine Barnes Duncan
Credential
PHARMD
Primary taxonomy
Pharmacist 183500000X
License number
54262 CA
Self-reported in NPPES; status is on the state search
Practice location
144 Stony Point RD, Santa Rosa, CA 95401
Phone
(707) 521-4590
Enumerated
Jan 6, 2011
Record last updated
Jul 16, 2026
Fax
(707) 521-4599
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest pharmacist records → All 32,533 in California → Look up another NPI →

Also registered at 144 Stony Point RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brandon AllenClinical Social Worker1174936975
  2. John Barbour, LMFTMarriage & Family Therapist1386121119
  3. Phyllis Bergie-Moore, RDMetabolic Nutrition Registered Dietitian1164669792
  4. Gina Betita, D.D.S.Dentist1558566737
  5. Jennifer Betts, MDFamily Medicine Physician1518965771
  6. Janne Breadon, MDEmergency Medicine Physician1922253228

Verify Katherine Barnes Duncan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 54262    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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Katherine Barnes Duncan among 32,533 pharmacist records in California

Katherine Barnes Duncan, PHARMD is one of 32,533 pharmacist records with a practice address in California. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2011, is newer than 18% of them.

  • NPI issued2011 · 18% of these records are older, 72% newer
  • In a Medicare fileNo · 15% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2026 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

199 pharmacist records list a practice address in Santa Rosa

They are 199 of the 6,884 NPPES records with a practice address in Santa Rosa, and 32,533 pharmacist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 32,533 in California → Every provider in Santa Rosa → Pharmacist nationwide →

The 8 pharmacist records with the nearest ZIP codes

  1. Francisco Azevedo, PHARM.D.Santa Rosa, CA 954011215187315
  2. Lesley DickasonSanta Rosa, CA 954011073833604
  3. Nam Dinh, PHARM DSanta Rosa, CA 954011235414277
  4. Alexander Engelmann, PHARMDSanta Rosa, CA 954011255684510
  5. Jennifer Go, RPHSanta Rosa, CA 954011750617734
  6. Stanley Green, R. PH.Santa Rosa, CA 954011528067030
  7. Andrea Gutierrez, PHARMDSanta Rosa, CA 954011306146808
  8. Amy Hawkins, PHARM.D.Santa Rosa, CA 954011689835373

Common questions

What is Katherine Barnes Duncan, PHARMD's NPI number?

Katherine Barnes Duncan, PHARMD's National Provider Identifier (NPI) is 1083918973, issued on Jan 6, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Barnes Duncan, PHARMD located?

The NPPES record lists a practice address at 144 Stony Point RD, Santa Rosa, CA, 95401. Phone: (707) 521-4590. Providers update this record themselves, so call before visiting.

How can I verify Katherine Barnes Duncan, PHARMD's license?

NPPES lists California license number 54262, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.