NPPES file of Aug 9, 2026

Stafford J. Duhn, DDS

General Practice Dentistry · San Francisco, CA

Stafford J. Duhn, DDS is a general practice dentistry with a practice address in San Francisco, California, and NPI 1013092261, issued on Oct 26, 2006. Check the license (California 032825, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013092261
Name
Stafford J. Duhn
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
032825 CA
Self-reported in NPPES; status is on the state search
Practice location
2100 Webster St, San Francisco, CA 94115
Phone
(415) 923-3034
Enumerated
Oct 26, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(415) 921-1051
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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Also registered at 2100 Webster St

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

  1. Arthur Allen, MDOphthalmology Physician1255332334
  2. Anait Ambarian, ODOptometrist1992032411
  3. Peter Anastassiou, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1912904806
  4. William Andereck, M.D.Internal Medicine Physician1699800219
  5. Jennifer Austin, LCSWClinical Social Worker1669878492
  6. Amy Baertson, R.DRegistered Dietitian1598914202

Verify Stafford J. Duhn 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 032825
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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83% fewer Medicare Part D claims than the average general practice dentistry in 2024

14 Medicare Part D claims, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Stafford Duhn14
  2. Specialty average83

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Stafford J. Duhn among 17,852 general practice dentistry records in California

Stafford J. Duhn, DDS is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 71% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

667 general practice dentistry records list a practice address in San Francisco

They are 667 of the 38,143 NPPES records with a practice address in San Francisco, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Richard Cohan, D.D.S.San Francisco, CA 941151568589489
  2. Leonel Dickey, D.D.S.San Francisco, CA 941151487729729
  3. Thomas Ellerhorst, D.D.S.San Francisco, CA 941151174620033
  4. Johnnie Fong, DDSSan Francisco, CA 941151174541478
  5. Peter Jacobsen, DDSSan Francisco, CA 941151639174923
  6. Thomas Kuhn, DDSSan Francisco, CA 941151548268642
  7. Emiliana Lopez, D.D.S.San Francisco, CA 941151972688869
  8. Daniel Phillips, D.D.S.San Francisco, CA 941151194849174

Common questions

What is Stafford J. Duhn, DDS's NPI number?

Stafford J. Duhn, DDS's National Provider Identifier (NPI) is 1013092261, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stafford J. Duhn, DDS located?

The NPPES record lists a practice address at 2100 Webster St, San Francisco, CA, 94115. Phone: (415) 923-3034. Providers update this record themselves, so call before visiting.

How can I verify Stafford J. Duhn, DDS's license?

NPPES lists California license number 032825, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Stafford J. Duhn, DDS prescribe under Medicare Part D?

In 2024, Stafford J. Duhn, DDS had 14 Medicare Part D claims; the average among general practice dentistry prescribers was 83. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.