NPPES file of Aug 9, 2026

Kelsey Nicole Thayer, PA-C

Physician Assistant · Santa Rosa, CA

Kelsey Nicole Thayer, PA-C is a physician assistant with a practice address in Santa Rosa, California, and NPI 1740966449, issued on Jun 26, 2023. Check the license 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
1740966449
Name
Kelsey Nicole Thayer
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
1111 Sonoma Ave Ste 210, Santa Rosa, CA 95405
Phone
(707) 324-3241
Enumerated
Jun 26, 2023
Record last updated
Jun 26, 2023
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.
Download card Updates feed

8 nearest physician assistant records → All 14,451 in California → Look up another NPI →

Verify Kelsey Nicole Thayer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

84% fewer Medicare Part D claims than the average physician assistant in 2024

135 Medicare Part D claims for 31 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 26 claims were for opioids.

  1. Kelsey Thayer135
  2. Specialty average830

Most prescribed

  1. Cephalexin24 claims
  2. Tramadol Hcl22 claims
  3. Mupirocin13 claims
  4. Ciprofloxacin Hcl12 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.

Industry payments in 2024: $485.65

18 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kelsey Thayer$485.65
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Kelsey Nicole Thayer among 14,451 physician assistant records in California

Kelsey Nicole Thayer, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 80% of them.

  • NPI issued2023 · 80% of these records are older, 13% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2023 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physician Assistant providers in California

There are 14,451 physician assistant records in California.

All 14,451 in California → Every provider in Santa Rosa → Physician Assistant nationwide →

The 8 physician assistant records with the nearest ZIP codes

  1. Eric Bell, PA-CSanta Rosa, CA 954051891217204
  2. Leslie Cady, P.A.-CSanta Rosa, CA 954051952586547
  3. Rodney Dekleuver, PHYSICIAN ASSISTANTSanta Rosa, CA 954051487118105
  4. Amber Gomes, PA-CSanta Rosa, CA 954051669803441
  5. James Grossman, P.A.Santa Rosa, CA 954051356776355
  6. Jennifer Henshaw-Lefever, PA, O.T.Santa Rosa, CA 954051891997227
  7. Robert Smith, P.A.Santa Rosa, CA 954051477765931
  8. Samantha Stewart, PA-CSanta Rosa, CA 954051073098000

Common questions

What is Kelsey Nicole Thayer, PA-C's NPI number?

Kelsey Nicole Thayer, PA-C's National Provider Identifier (NPI) is 1740966449, issued on Jun 26, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Kelsey Nicole Thayer, PA-C located?

The NPPES record lists a practice address at 1111 Sonoma Ave Ste 210, Santa Rosa, CA, 95405. Phone: (707) 324-3241. Providers update this record themselves, so call before visiting.

How can I verify Kelsey Nicole Thayer, PA-C's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Kelsey Nicole Thayer, PA-C prescribe under Medicare Part D?

In 2024, Kelsey Nicole Thayer, PA-C had 135 Medicare Part D claims for 31 beneficiaries; the average among physician assistant prescribers was 830. 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.

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.