Roy Gordon Bryan, M.D.

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

251258 Issued in MA

Practice address

100 Moody CT Ste 200
Thousand Oaks, CA 91360-6082

Phone

(310) 301-6800

NPI assigned

Nov 1, 2011

Last updated

Jun 26, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 9

Addresses

Medicare fee-for-service enrollment

Enrolled in MA, CA, CT, GA, MI, OK, KS7 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 7

Specialty

Diagnostic Radiology

Education

University of Minnesota Medical School, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

UCLA Radiology Medical GroupGroup PAC ID 8921902065, 193 clinicians

Northside Radiology Associates LLCGroup PAC ID 4486555398, 381 clinicians

Riverbend Medical Group IncGroup PAC ID 5698064343, 227 clinicians

Integris Ambulatory Care CorporationGroup PAC ID 2365408465, 687 clinicians

Signature Healthcare Medical Group IncGroup PAC ID 7719876267, 250 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Integris Southwest Medical Center Hospital, Oklahoma City, OK, CCN 370106
• Signature Healthcare Brockton Hospital Hospital, Brockton, MA, CCN 220052
• Mercy Medical Ctr Hospital, Springfield, MA, CCN 220066
• Phoebe Putney Memorial Hospital Hospital, Albany, GA, CCN 110007
• Ronald Reagan UCLA Medical Center Hospital, Los Angeles, CA, CCN 050262

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 150)

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• FHIR API: https://app.meldrx.com/api/fhir/ei-jefferson
• Direct secure messaging: rbryan3102826@direct.trinity-health.org
• Direct secure messaging: rbryan447288@direct.uclahealth.org
• Direct secure messaging: roy.bryan@direct.signature.masshiway.net

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Integris Ambulatory Care Corporation

  dba INTEGRIS Medical Group

  • Family Medicine Physician
  • Oklahoma City, OK
  • NPI 1750333936
  Medicare reassignment Care Compare group NPD
• Northside Radiology Associates LLC

  • Diagnostic Radiology Physician
  • Atlanta, GA
  • NPI 1013960657

  CA, Neuroradiology

  Medicare reassignment Care Compare group NPD
• Riverbend Medical Group, Inc.

  dba Trinity Health Of New England Medical Group

  • Internal Medicine Physician
  • Springfield, MA
  • NPI 1841651197

  Diagnostic Radiology

  Medicare reassignment Care Compare group NPD
• Signature Healthcare Medical Group Inc

  dba Signature Medical

  • Internal Medicine Physician
  • Brockton, MA
  • NPI 1508804949
  Medicare reassignment Care Compare group NPD
• UCLA Radiology Medical Group

  • Diagnostic Radiology Physician
  • Los Angeles, CA
  • NPI 1881670248
  Medicare reassignment Care Compare group
• Health Diagnostics of California a Professional Corporation

  dba Simonmed Imaging

  • Diagnostic Radiology Physician
  • Mountain View, CA
  • NPI 1104321959
  Medicare reassignment NPD
• Lambert Radiology Medical Group, Inc

  • Diagnostic Radiology Physician
  • Whittier, CA
  • NPI 1609826684
  Medicare reassignment NPD
• Sansum Clinic

  • Multi-Specialty Clinic/Center
  • Santa Barbara, CA
  • NPI 1154354504
  Medicare reassignment NPD
• Santa Barbara Radiology Medical Group Inc

  • Diagnostic Radiology Physician
  • Santa Barbara, CA
  • NPI 1073505715
  Medicare reassignment NPD
• Golden State Imaging Associates Inc

  • Diagnostic Radiology Physician
  • Houston, TX
  • NPI 1144872052

  CA

  Medicare reassignment NPD
• Howard John Simon MD PC

  dba Simonmed Imaging

  • Diagnostic Radiology Physician
  • New York, NY
  • NPI 1932768934

  CA

  Medicare reassignment NPD
• Howard Simon MD PLLC

  dba Simonmed Imaging

  • Diagnostic Radiology Physician
  • Chicago, IL
  • NPI 1659930998

  CA

  Medicare reassignment NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Regents Univ of Calif Los Angeles

  dba Ronald Reagan UCLA Medical Center

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1902803315
  Care Compare affiliation
• Brockton Hospital, Inc.

  dba Signature Healthcare Brockton Hospital

  • General Acute Care Hospital
  • Brockton, MA
  • NPI 1063431286
  Care Compare affiliation
• Integris South Oklahoma City Hospital Corporation

  dba Integris Southwest Breast Center

  • Mammography Clinic/Center
  • Oklahoma City, OK
  • NPI 1336155779

  Hospital

  Care Compare affiliation
• Integris South Oklahoma City Hospital Corporation

  dba Integris Jim Thorpe Inpatient Rehabilitation

  • Rehabilitation Hospital Unit
  • Oklahoma City, OK
  • NPI 1336252717
  Care Compare affiliation
• Integris South Oklahoma City Hospital Corporation

  dba Integris Health Southwest Medical Center

  • General Acute Care Hospital
  • Oklahoma City, OK
  • NPI 1457372625
  Care Compare affiliation
• Phoebe Putney Memorial Hospital Inc

  dba Phoebe Putney Memorial Hosptial

  • General Acute Care Hospital
  • Albany, GA
  • NPI 1992789721
  Care Compare affiliation
• The Mercy Hospital Inc

  dba Mercy Medical Center

  • General Acute Care Hospital
  • Springfield, MA
  • NPI 1043204316
  Care Compare affiliation
• The Mercy Hospital Inc

  dba Mercy Rehabilitation Hospital

  • Rehabilitation Hospital Unit
  • Springfield, MA
  • NPI 1750360798
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1320105600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782432000000",
    "number": "1396021648",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5767 W CENTURY BLVD STE 400",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900455631"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 MOODY CT STE 200",
            "city": "THOUSAND OAKS",
            "state": "CA",
            "postal_code": "913606082",
            "telephone_number": "310-301-6800"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2220 Canterbury Dr",
            "address_purpose": "LOCATION",
            "city": "Hays",
            "state": "KS",
            "postal_code": "676012370",
            "country_code": "US",
            "telephone_number": "785-623-5701",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3288 Moanalua Rd",
            "address_purpose": "LOCATION",
            "city": "Honolulu",
            "state": "HI",
            "postal_code": "968191469",
            "country_code": "US",
            "telephone_number": "808-432-0000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "680 Centre St",
            "address_purpose": "LOCATION",
            "city": "Brockton",
            "state": "MA",
            "postal_code": "023023308",
            "country_code": "US",
            "telephone_number": "508-941-7150",
            "fax_number": "508-941-6494",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "400 W Pueblo St",
            "address_2": "Dept. of Radiology",
            "address_purpose": "LOCATION",
            "city": "Santa Barbara",
            "state": "CA",
            "postal_code": "931054353",
            "country_code": "US",
            "telephone_number": "805-569-7279",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BRYAN",
        "first_name": "ROY",
        "middle_name": "GORDON",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-11-01",
        "last_updated": "2026-06-26",
        "certification_date": "2026-06-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085N0700X",
            "taxonomy_group": "",
            "desc": "Radiology, Neuroradiology",
            "state": "CT",
            "license": "68651",
            "primary": false
        },
        {
            "code": "2085N0700X",
            "taxonomy_group": "",
            "desc": "Radiology, Neuroradiology",
            "state": "CA",
            "license": "A124590",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "KS",
            "license": "04-53006",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A124590",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "HI",
            "license": "MD-25021",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CT",
            "license": "68651",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MA",
            "license": "257014",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "OK",
            "license": "45102",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MA",
            "license": "251258",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Bryan Brundell
• Matthew James Bruno, DDS, MS
• Karley Anne Bruun-Andersen
• Bryan Keropian DDS. a Professional Corporation
• Bryan Morris MD Inc
• Laura Anne Bucci, DDS
• Sonya Buckelew
• Mark Armstrong Buckles
• Bernard Budnik, P.T.
• Trung D Bui, MD

• Diagnostic Radiology Physician in Thousand Oaks, CA
• Providers in Thousand Oaks, CA by specialty
• Diagnostic Radiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 26, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.