Registry data as of Aug 27, 2026

Thomas Desnoyers, NP-C

Family Nurse Practitioner · Greenbrae, CA

Thomas Desnoyers, NP-C is a family nurse practitioner with a practice address in Greenbrae, California, and NPI 1720462732, issued on Jul 20, 2015. Check the license (California 9502660, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1720462732
Name
Thomas Desnoyers
Credential
NP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
9502660 CA
Self-reported in NPPES; status is on the state search
Practice location
250 Bon Air RD, Greenbrae, CA 94904
Phone
(415) 925-7000
Enumerated
Jul 20, 2015
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 250 Bon Air RD

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

  1. Lisa Abrahams, MFTMarriage & Family Therapist1184738445
  2. Jory Adam, PA-CSurgical Physician Assistant1922269521
  3. Samuel Adams, MDInternal Medicine Physician1497785034
  4. Barbara Addleman, RNRegistered Nurse1053551267
  5. Linda Alexander, RNPsychiatric/Mental Health Registered Nurse1205589405
  6. Maxwell AlikinneyCounselor1538668728

Verify Thomas Desnoyers 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 9502660    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

74% fewer Medicare Part D claims than the average family nurse practitioner in 2024

340 Medicare Part D claims for 216 beneficiaries, against an average of 1,302 among the 128,048 providers of this specialty who prescribed in Part D. 48 claims were for opioids.

  1. Thomas Desnoyers340
  2. Specialty average1,302

Most prescribed

  1. Hydrocodone-Acetaminophen45 claims
  2. Prednisone27 claims
  3. Ciprofloxacin Hcl26 claims
  4. Amoxicillin-Clavulanate Potass23 claims
  5. Cephalexin21 claims
  6. Cyclobenzaprine Hcl15 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.

2 hospital and facility affiliations

  1. Tippah County HospitalRipley, MS · Critical Access Hospitals4 of 5 stars
  2. Progressive Health OF Houston LLCHouston, MS

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

13 family nurse practitioner records list a Greenbrae practice address

They are 13 of the 727 NPPES records with a Greenbrae practice address, and 15,527 family nurse practitioner records in California.

All 13 in Greenbrae → All 15,527 in California → Every provider in Greenbrae →

Other family nurse practitioner records in California

  1. Danielle Aaroe, FAMILY NURSE PRACTITOroville, CA1750767083
  2. Joshua AaronMission Hills, CA1477291805
  3. Orly Aaron, NPSan Francisco, CA1376912451
  4. Paris Gilbert Russ AaronSacramento, CA1871079111
  5. Alvin Joseph Abad, FNP-CSan Francisco, CA1154919306
  6. Frances Abad, FNPLos Angeles, CA1053504514
  7. Raymond Abagat, FNPTorrance, CA1306685821
  8. Ashley AbalCastaic, CA1740140698
  9. Maureen Abaray, F.N.P.Stockton, CA1265549349
  10. Arcelyn Abas, NPLa Mirada, CA1174035885

Common questions

What is Thomas Desnoyers, NP-C's NPI number?

Thomas Desnoyers, NP-C's National Provider Identifier (NPI) is 1720462732, issued on Jul 20, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Desnoyers, NP-C located?

The NPPES record lists a practice address at 250 Bon Air RD, Greenbrae, CA, 94904. Phone: (415) 925-7000. Providers update this record themselves, so call before visiting.

How can I verify Thomas Desnoyers, NP-C's license?

NPPES lists California license number 9502660, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Thomas Desnoyers, NP-C prescribe under Medicare Part D?

In 2024, Thomas Desnoyers, NP-C had 340 Medicare Part D claims for 216 beneficiaries; the average among family nurse practitioner prescribers was 1,302. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.