NPPES file of Aug 9, 2026

Donald C. Ervin, PA-C

Physician Assistant · Coalinga, CA

Donald C. Ervin, PA-C is a physician assistant with a practice address in Coalinga, California, and NPI 1952410623, issued on Aug 29, 2006. Check the license (California PA12399, 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
1952410623
Name
Donald C. Ervin
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA12399 CA
Self-reported in NPPES; status is on the state search
Practice location
1165 Phelps Ave, Coalinga, CA 93210
Phone
(559) 935-5555
Enumerated
Aug 29, 2006
Record last updated
Feb 1, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(559) 935-2827
Medicare enrollment
Enrolled (PECOS I20081204000159); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1165 Phelps Ave

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

  1. Felipe Calzada, PHARM. D.Pharmacist1992146344

Verify Donald C. Ervin 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 PA12399
    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.

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

2,027 Medicare Part D claims for 281 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 134 claims were for opioids.

  1. Donald Ervin2,027
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium149 claims
  2. Levothyroxine Sodium88 claims
  3. Lisinopril72 claims
  4. Hydrocodone-Acetaminophen71 claims
  5. Metformin Hcl62 claims
  6. Losartan Potassium57 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.

Bills Medicare through one group practice

  1. Paul A Griffin M D A Professional CorporationCoalinga, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Donald C. Ervin among 14,451 physician assistant records in California

Donald C. Ervin, 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 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 87% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1975 · median 2018 among the 7,214 with a school on file
  • Record last updated2016 · 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).

2 physician assistant records list a practice address in Coalinga

They are 2 of the 210 NPPES records with a practice address in Coalinga, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Seth FallenCoalinga, CA 932101861181703
  2. Barry Swanson, P.A.Corcoran, CA 932121396880324
  3. Florentino Valdez, PHYSICIAN ASSISTANTCorcoran, CA 932121689701567
  4. Stacy Guzman, PA-CButtonwillow, CA 932061326298530
  5. Ricki Barnes, PA-CDelano, CA 932151376970863
  6. Courtney Grayson, PA-CDelano, CA 932151689240780
  7. Daniel Jordan, P.A.Delano, CA 932151043376718
  8. Milton Kamansky, PA-CDelano, CA 932151104565977

Common questions

What is Donald C. Ervin, PA-C's NPI number?

Donald C. Ervin, PA-C's National Provider Identifier (NPI) is 1952410623, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Donald C. Ervin, PA-C located?

The NPPES record lists a practice address at 1165 Phelps Ave, Coalinga, CA, 93210. Phone: (559) 935-5555. Providers update this record themselves, so call before visiting.

How can I verify Donald C. Ervin, PA-C's license?

NPPES lists California license number PA12399, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Donald C. Ervin, PA-C prescribe under Medicare Part D?

In 2024, Donald C. Ervin, PA-C had 2,027 Medicare Part D claims for 281 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.