NPPES file of Aug 9, 2026

Alyssa McNamara, PA

Physician Assistant · Thousand Oaks, CA

Alyssa McNamara, PA is a physician assistant with a practice address in Thousand Oaks, California, and NPI 1790511160, issued on Sep 11, 2024. Check the license (California PA67421, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790511160
Name
Alyssa McNamara
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
PA67421 CA
Self-reported in NPPES; status is on the state search
Practice location
227 W Janss RD Ste 340, Thousand Oaks, CA 91360
Phone
(805) 852-9100
Enumerated
Sep 11, 2024
Record last updated
Feb 24, 2026
Fax
(805) 852-9101
Medicare enrollment
Enrolled (PECOS I20250313003786); 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 227 W Janss RD Ste 340

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

  1. Nels CarrollThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1396122099
  2. Asvin Ganapathi, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1013234061
  3. Kelly Hall, PA-CPhysician Assistant1710989439
  4. Asma Hussaini, PAPhysician Assistant1588893838
  5. Saibal Kar, M.D.Interventional Cardiology Physician1063449403
  6. Simon Maltais, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1457665911

Verify Alyssa McNamara 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 PA67421    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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Bills Medicare through 2 group practices

  1. Golden State Providers, A Medical CorporationThousand Oaks, CA
  2. Vein Envy LLCMesa, AZ

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

40 physician assistant records list a practice address in Thousand Oaks

They are 40 of the 2,434 NPPES records with a practice address in Thousand Oaks, and 14,451 physician assistant records in California.

All 40 in Thousand Oaks → All 14,451 in California → Every provider in Thousand Oaks →

Other physician assistant records in California

  1. Marcia -Galbraith, PAStockton, CA1407143274
  2. Danny Abad, PAOrange, CA1477158673
  3. Lea Dominique Abadies, PATustin, CA1124754254
  4. Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
  5. Ramina Abbasi, PA-CSignal Hill, CA1093448300
  6. Ariel Abbott, PA-CStockton, CA1780334342
  7. Barrie Abbott, PA-CAnza, CA1861602575
  8. Elizabeth Abbott, PA-CSan Diego, CA1437540762
  9. Terri Abbott, P.A.La Jolla, CA1811165566
  10. Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334

Common questions

What is Alyssa McNamara, PA's NPI number?

Alyssa McNamara, PA's National Provider Identifier (NPI) is 1790511160, issued on Sep 11, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Alyssa McNamara, PA located?

The NPPES record lists a practice address at 227 W Janss RD Ste 340, Thousand Oaks, CA, 91360. Phone: (805) 852-9100. Providers update this record themselves, so call before visiting.

How can I verify Alyssa McNamara, PA's license?

NPPES lists California license number PA67421, 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. 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.