Christopher Nicolas Duhn, D.D.S.
General Practice Dentistry · San Francisco, CA
Christopher Nicolas Duhn, D.D.S. is a general practice dentistry with a practice address in San Francisco, California, and NPI 1972985513, issued on Jun 19, 2015. Check the license (California 100624, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christopher Nicolas Duhn
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 100624 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2100 Webster St Ste 325, San Francisco, CA 94115
- Phone
- (415) 923-3034
- Enumerated
- Jun 19, 2015
- Record last updated
- Nov 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 2100 Webster St Ste 325
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Barkin, DDSOral and Maxillofacial Surgery (Dentist)1386726537
Verify Christopher Nicolas Duhn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 100624Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average general practice dentistry in 2024
17 Medicare Part D claims, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
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.
Christopher Nicolas Duhn among 17,852 general practice dentistry records in California
Christopher Nicolas Duhn, D.D.S. 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 2015, is newer than 78% of them.
- NPI issued2015 · 78% of these records are older, 20% 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 updated2020 · 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.
All 17,852 in California → Every provider in San Francisco → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Richard Cohan, D.D.S.San Francisco, CA 941151568589489
- Leonel Dickey, D.D.S.San Francisco, CA 941151487729729
- Stafford Duhn, DDSSan Francisco, CA 941151013092261
- Thomas Ellerhorst, D.D.S.San Francisco, CA 941151174620033
- Johnnie Fong, DDSSan Francisco, CA 941151174541478
- Peter Jacobsen, DDSSan Francisco, CA 941151639174923
- Thomas Kuhn, DDSSan Francisco, CA 941151548268642
- Emiliana Lopez, D.D.S.San Francisco, CA 941151972688869
Common questions
What is Christopher Nicolas Duhn, D.D.S.'s NPI number?
Christopher Nicolas Duhn, D.D.S.'s National Provider Identifier (NPI) is 1972985513, issued on Jun 19, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Nicolas Duhn, D.D.S. located?
The NPPES record lists a practice address at 2100 Webster St Ste 325, San Francisco, CA, 94115. Phone: (415) 923-3034. Providers update this record themselves, so call before visiting.
How can I verify Christopher Nicolas Duhn, D.D.S.'s license?
NPPES lists California license number 100624, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Christopher Nicolas Duhn, D.D.S. prescribe under Medicare Part D?
In 2024, Christopher Nicolas Duhn, D.D.S. had 17 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.