NPPES file of Aug 9, 2026

Heather Marie Clayton-Young, PA-C

Physician Assistant · Modesto, CA

Heather Marie Clayton-Young, PA-C is a physician assistant with a practice address in Modesto, California, and NPI 1902191489, issued on Jun 13, 2011. Check the license (California PA20223, 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
1902191489
Name
Heather Marie Clayton-Young
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA20223 CA
Self-reported in NPPES; status is on the state search
Practice location
3509 Coffee RD Ste D3, Modesto, CA 95355
Phone
(209) 409-8294
Enumerated
Jun 13, 2011
Record last updated
Aug 26, 2020 (not updated in 6 years: call before relying on the address or phone)
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 3509 Coffee RD Ste D3

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

  1. Cristopher Bacierto, NPFamily Nurse Practitioner1790495000
  2. Pasia Gadson, APRNNurse Practitioner1073151361
  3. Jessica Hubbs, M.D.Internal Medicine Physician1740675255
  4. Marlon John Villanueva, FNP-BCFamily Nurse Practitioner1831836790
  5. Caila Wasson, FNPFamily Nurse Practitioner1851159008
  6. Melinda WongAdult Health Nurse Practitioner1699523225

Verify Heather Marie Clayton-Young 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 PA20223
    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

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2.1 times the Medicare Part D claims of the average physician assistant in 2024

1,735 Medicare Part D claims for 288 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 50 claims were for opioids.

  1. Heather Clayton-Young1,735
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium116 claims
  2. Furosemide98 claims
  3. Albuterol Sulfate Hfa67 claims
  4. Amitriptyline Hcl66 claims
  5. Omeprazole64 claims
  6. Potassium Chloride61 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.

Heather Marie Clayton-Young among 14,451 physician assistant records in California

Heather Marie Clayton-Young, 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 2011, is newer than 30% of them.

  • NPI issued2011 · 30% of these records are older, 67% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2020 · 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).

122 physician assistant records list a practice address in Modesto

They are 122 of the 9,262 NPPES records with a practice address in Modesto, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Kevin Bixel, PAModesto, CA 953551063403376
  2. John Cercado, PAModesto, CA 953551497940407
  3. Stephen Fall, PA-CModesto, CA 953551760594154
  4. Jason Gonzalez, PA-CModesto, CA 953551447317201
  5. Shelley Lung, PAModesto, CA 953551790818557
  6. Mark Madsen, PAModesto, CA 953551407805757
  7. Monica Marple, P.A.-CModesto, CA 953551265531297
  8. Meridith McCurdy-Yeoman, PACModesto, CA 953551821110586

Common questions

What is Heather Marie Clayton-Young, PA-C's NPI number?

Heather Marie Clayton-Young, PA-C's National Provider Identifier (NPI) is 1902191489, issued on Jun 13, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Heather Marie Clayton-Young, PA-C located?

The NPPES record lists a practice address at 3509 Coffee RD Ste D3, Modesto, CA, 95355. Phone: (209) 409-8294. Providers update this record themselves, so call before visiting.

How can I verify Heather Marie Clayton-Young, PA-C's license?

NPPES lists California license number PA20223, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Heather Marie Clayton-Young, PA-C prescribe under Medicare Part D?

In 2024, Heather Marie Clayton-Young, PA-C had 1,735 Medicare Part D claims for 288 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.

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.