NPPES file of Aug 9, 2026

David Louis Doirin, PA-C

Physician Assistant · Redding, CA

David Louis Doirin, PA-C is a physician assistant with a practice address in Redding, California, and NPI 1437745734, issued on Dec 21, 2020. Check the license (California PA64563, 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
1437745734
Name
David Louis Doirin
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License numbers
PA64563 CA
PA9113716 FL
Self-reported in NPPES; status is on the state search
Practice location
980 Placer St, Redding, CA 96001
Phone
(530) 246-5705
Enumerated
Dec 21, 2020
Record last updated
Sep 17, 2025
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 980 Placer St

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

  1. Jamie Gray, LCSWClinical Social Worker1376702282
  2. Charity Knox, NPNurse Practitioner1912719840
  3. Liberty SmithAddiction (Substance Use Disorder) Counselor1902409089
  4. Carla Vargas, FNP-CFamily Nurse Practitioner1730549932
  5. Lynn Vinson, LCSWClinical Social Worker1891029393

Verify David Louis Doirin 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 PA64563
    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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93% fewer Medicare Part D claims than the average physician assistant in 2024

57 Medicare Part D claims for 14 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. David Doirin57
  2. Specialty average830

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.

David Louis Doirin among 14,451 physician assistant records in California

David Louis Doirin, 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 2020, is newer than 62% of them.

  • NPI issued2020 · 62% of these records are older, 33% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2025 · 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).

107 physician assistant records list a practice address in Redding

They are 107 of the 3,572 NPPES records with a practice address in Redding, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Diane Baas, PA-CRedding, CA 960011053358648
  2. Yvonne Callison, PARedding, CA 960011396837332
  3. Kathleen Chesney, PACRedding, CA 960011528144912
  4. Elisabeth Cooper, PARedding, CA 960011114969003
  5. Kate Ermenc, P.ARedding, CA 960011639211428
  6. Allyson Martin, PARedding, CA 960011528272069
  7. Margaret Michael, PARedding, CA 960011457576639
  8. Lindsay Miller, PA-CRedding, CA 960011235205931

Common questions

What is David Louis Doirin, PA-C's NPI number?

David Louis Doirin, PA-C's National Provider Identifier (NPI) is 1437745734, issued on Dec 21, 2020. An NPI identifies a provider in billing; it is not a license.

Where is David Louis Doirin, PA-C located?

The NPPES record lists a practice address at 980 Placer St, Redding, CA, 96001. Phone: (530) 246-5705. Providers update this record themselves, so call before visiting.

How can I verify David Louis Doirin, PA-C's license?

NPPES lists California license number PA64563, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does David Louis Doirin, PA-C prescribe under Medicare Part D?

In 2024, David Louis Doirin, PA-C had 57 Medicare Part D claims for 14 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.