NPPES file of Aug 9, 2026

Roy Gordon Bryan, M.D.

Diagnostic Radiology Physician · Thousand Oaks, CA

Roy Gordon Bryan, M.D. is a diagnostic radiology physician with a practice address in Thousand Oaks, California, and NPI 1396021648, issued on Nov 1, 2011. Check the license (California A124590, as entered in NPPES) on the Medical Board of California; 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
1396021648
Name
Roy Gordon Bryan
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
A124590 CA
251258 MA
68651 CT
MD-25021 HI
04-53006 KS
and 2 more
Self-reported in NPPES; status is on the state search
Practice location
100 Moody CT Ste 200, Thousand Oaks, CA 91360
Phone
(310) 301-6800
Enumerated
Nov 1, 2011
Record last updated
Jun 26, 2026
Medicare enrollment
Enrolled (PECOS I20160826001633); accepts Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 2011
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 100 Moody CT Ste 200

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

  1. Michael Albertson, M.D.Gastroenterology Physician1114035128
  2. Jose-Nitram Aliling, M.D.Internal Medicine Physician1912177759
  3. Jennifer Arussi, MS, RDNRegistered Dietitian1114329281
  4. Lauren Beshay, MDEndocrinology, Diabetes & Metabolism Physician1073010757
  5. Michael Dorsi, MDNeurological Surgery Physician1942355854
  6. Oliver Gantz, M.D.Otolaryngology Physician1952758260

Verify Roy Gordon Bryan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A124590
    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
Open 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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Industry payments in 2024: $123.78

1 payment: food and beverage; the largest payer was Abbvie Inc. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Roy Bryan$123.78
  2. Specialty average$2,488.38

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 7 group practices

  1. Integris Ambulatory Care CorporationOklahoma City, OK
  2. Northside Radiology Associates LLCSan Francisco, CA
  3. Phoebe Physician Group IncSan Diego, CA
  4. Riverbend Medical Group IncSpringfield, MA
  5. Signature Healthcare Medical Group IncBrockton, MA
  6. Sonoran Radiology LtdSanta Barbara, CA
  7. Ucla Radiology Medical GroupLos Angeles, CA

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

Roy Gordon Bryan among 4,500 diagnostic radiology physician records in California

Roy Gordon Bryan, M.D. is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% 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 70% of them.

  • NPI issued2011 · 70% of these records are older, 27% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2011 · median 2004 among the 3,130 with a school on file
  • Record last updated2026 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in California

There are 4,500 diagnostic radiology physician records in California.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. David Aufrichtig, MDThousand Oaks, CA 913601295705028
  2. Michael Hlinka, M.D.Thousand Oaks, CA 913601538145362
  3. Barry Klein, MDThousand Oaks, CA 913601073585212
  4. Jason Lee, M.D.Thousand Oaks, CA 913601104830371
  5. Catherine Moses, MDThousand Oaks, CA 913601033189865
  6. Ruth Polan, MDThousand Oaks, CA 913601629048350
  7. Puja Shahrouki, MDThousand Oaks, CA 913601790276079
  8. Donald Decker, M.D.Thousand Oaks, CA 913611134345622

Common questions

What is Roy Gordon Bryan, M.D.'s NPI number?

Roy Gordon Bryan, M.D.'s National Provider Identifier (NPI) is 1396021648, issued on Nov 1, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Roy Gordon Bryan, M.D. located?

The NPPES record lists a practice address at 100 Moody CT Ste 200, Thousand Oaks, CA, 91360. Phone: (310) 301-6800. Providers update this record themselves, so call before visiting.

How can I verify Roy Gordon Bryan, M.D.'s license?

NPPES lists California license number A124590, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.