NPPES file of Aug 9, 2026

Arthur C. Fenn, MD

Plastic Surgery within the Head & Neck (Otolaryngology) Physician · Greenbrae, CA

Arthur C. Fenn, MD is a plastic surgery within the head & neck (otolaryngology) physician with a practice address in Greenbrae, California, and NPI 1043378409, issued on Dec 5, 2006. Check the license (California G13883, as entered in NPPES) on the Medical Board of California; 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
1043378409
Name
Arthur C. Fenn
Credential
MD
Primary taxonomy
Plastic Surgery within the Head & Neck (Otolaryngology) Physician 207YX0007X
License number
G13883 CA
Self-reported in NPPES; status is on the state search
Practice location
1000 S Eliseo Dr, Greenbrae, CA 94904
Phone
(415) 461-9770
Enumerated
Dec 5, 2006
Record last updated
Mar 1, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(415) 461-6744
Medicaid ID
00G138830 CA
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 1000 S Eliseo Dr

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

  1. Romeo Agbayani, MDOtolaryngology Physician1205909603
  2. Matthew BedellOphthalmology Physician1508159344
  3. Patrick Bennett, M.D.Urology Physician1891713418
  4. Daniel Flis, M.D.Otolaryngology Physician1316266042
  5. Mei-Ling Fong, M.D.Internal Medicine Physician1346228707
  6. Flash Gordon, M.D.General Practice Physician1982666764

Verify Arthur C. Fenn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G13883
    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
Open the California license search

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96% fewer Medicare Part D claims than the average plastic surgery within the head & neck (otolaryngology) physician in 2024

17 Medicare Part D claims, against an average of 393 among the 492 providers of this specialty who prescribed in Part D.

  1. Arthur Fenn17
  2. Specialty average393

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.

Arthur C. Fenn among 150 plastic surgery within the head & neck (otolaryngology) physician records in California

Arthur C. Fenn, MD is one of 150 plastic surgery within the head & neck (otolaryngology) physician records with a practice address in California. 71% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 43% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 54% of these records are
  • Record last updated2010 · 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 207YX0007X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Plastic Surgery within the Head & Neck (Otolaryngology) Physician providers in California

There are 150 plastic surgery within the head & neck (otolaryngology) physician records in California.

The 8 plastic surgery within the head & neck (otolaryngology) physician records with the nearest ZIP codes

  1. Scott Hong, MDSanta Clara, CA 950511952891871
  2. Laurie Schweitzer, M.D.Berkeley, CA 947051629153598
  3. Ngon Dinh, DOSan Jose, CA 951161730156027
  4. John Ryan, MDSan Jose, CA 951241518402676
  5. Manu Gujrati, MDOakland, CA 946111720230451
  6. Adam Marvin, M.D.Oakland, CA 946091275528572
  7. Erin Simms, MDOakland, CA 946091588735476
  8. Rahul Seth, M.D.Walnut Creek, CA 945981073784682

Common questions

What is Arthur C. Fenn, MD's NPI number?

Arthur C. Fenn, MD's National Provider Identifier (NPI) is 1043378409, issued on Dec 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Arthur C. Fenn, MD located?

The NPPES record lists a practice address at 1000 S Eliseo Dr, Greenbrae, CA, 94904. Phone: (415) 461-9770. Providers update this record themselves, so call before visiting.

How can I verify Arthur C. Fenn, MD's license?

NPPES lists California license number G13883, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Arthur C. Fenn, MD prescribe under Medicare Part D?

In 2024, Arthur C. Fenn, MD had 17 Medicare Part D claims; the average among plastic surgery within the head & neck (otolaryngology) physician prescribers was 393. 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.