NPPES file of Aug 9, 2026

Richard S. Marks, P.A.C.

Physician Assistant · San Luis Obispo, CA

Richard S. Marks, P.A.C. is a physician assistant with a practice address in San Luis Obispo, California, and NPI 1952496556, issued on Oct 3, 2006. Check the license (California PA15210, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952496556
Name
Richard S. Marks
Credential
P.A.C.
Primary taxonomy
Physician Assistant 363A00000X
License number
PA15210 CA
Self-reported in NPPES; status is on the state search
Practice location
1941 Johnson Ave, San Luis Obispo, CA 93401
Phone
(805) 739-3890
Enumerated
Oct 3, 2006
Record last updated
Feb 11, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(805) 614-5932
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 →

Also registered at 1941 Johnson Ave

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

  1. Robert Doria, MD, FACCInterventional Cardiology Physician1376521005
  2. Michael Famularo, MD, FACCInterventional Cardiology Physician1174501845
  3. Lorianna Fletcher, MD, FACCCardiovascular Disease Physician1497715023
  4. Maria Flores-Cooper, M.D.Obstetrics & Gynecology Physician1649255480
  5. Gary Harkins, M.D.Hematology & Oncology Physician1942204375
  6. Steven Pontius, M.D., F.A.C.C.Cardiovascular Disease Physician1750360350

Verify Richard S. Marks 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 PA15210    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.

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

Richard S. Marks among 14,451 physician assistant records in California

Richard S. Marks, P.A.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 not. Its NPI, issued in 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 87% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2014 · 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).

58 physician assistant records list a practice address in San Luis Obispo

They are 58 of the 3,403 NPPES records with a practice address in San Luis Obispo, and 14,451 physician assistant records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 14,451 in California → Every provider in San Luis Obispo → Physician Assistant nationwide →

The 8 physician assistant records with the nearest ZIP codes

  1. Anne Barnett, PASan Luis Obispo, CA 934011811948235
  2. Julia Davison, PA-CSan Luis Obispo, CA 934011235116955
  3. Michael Doyle, PASan Luis Obispo, CA 934011245645050
  4. Aimee Hoffman, PASan Luis Obispo, CA 934011154527109
  5. Yvonne Jones-Wicks, PA-CSan Luis Obispo, CA 934011477646610
  6. Blair Monell, PASan Luis Obispo, CA 934011255617544
  7. Jennifer Owen, ATC, PA-CSan Luis Obispo, CA 934011982756052
  8. Jennifer Rocha, PA-CSan Luis Obispo, CA 934011821343757

Common questions

What is Richard S. Marks, P.A.C.'s NPI number?

Richard S. Marks, P.A.C.'s National Provider Identifier (NPI) is 1952496556, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Richard S. Marks, P.A.C. located?

The NPPES record lists a practice address at 1941 Johnson Ave, San Luis Obispo, CA, 93401. Phone: (805) 739-3890. Providers update this record themselves, so call before visiting.

How can I verify Richard S. Marks, P.A.C.'s license?

NPPES lists California license number PA15210, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.