Individual provider Active NPI

Thomas C Orsini, M.D.

  • Diagnostic Radiology Physician
  • San Diego, CA
National Provider Identifier
1568415727
Registry record updated Mar 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
G65463 Issued in CA
Practice address
501 Washington St
Ste 510
San Diego, CA 92103-2231
Phone
(619) 819-6501
NPI assigned
May 18, 2006
Last updated
Mar 5, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 5, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X MD26550 ME
Diagnostic Radiology Physician 2085R0202X G65463 CA Primary

Addresses

Primary practice location

501 Washington St
Ste 510
San Diego, CA 92103-2231

Mailing address

PO Box 34307
San Diego, CA 92163-4307

Other identifiers 1

IdentifierTypeStateIssuer
00G654630MedicaidCA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, ME, MT, TX, IL, MI6 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 6

Enrollment IDStateProvider typePAC IDDetails
I20040831001023 CA Practitioner - Diagnostic Radiology 4880669589 Reassigns benefits to 21 organizations
I20230119002157 ME Practitioner - Diagnostic Radiology 4880669589 Reassigns benefits to 2 organizations
I20230202002821 MT Practitioner - Diagnostic Radiology 4880669589 Reassigns benefits to 4 organizations
I20231010000443 TX Practitioner - Diagnostic Radiology 4880669589 Reassigns benefits to 1 organization
I20231017002923 IL Practitioner - Diagnostic Radiology 4880669589 Reassigns benefits to 2 organizations
I20251103003858 MI Practitioner - Diagnostic Radiology 4880669589 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Other, 1984
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Geisinger ClinicGroup PAC ID 5395657001, 3,432 clinicians
Radiology Associates of Burlington County P aGroup PAC ID 7012954381, 153 clinicians
South Jersey Radiology Associates P aGroup PAC ID 9133115587, 202 clinicians
Houlton Regional HospitalGroup PAC ID 0042127946, shared by 5 NPIs, 59 clinicians
Warren General HospitalGroup PAC ID 4880501402, 100 clinicians
RemloGroup PAC ID 5193800258, 32 clinicians
St Paul Place Specialists, Inc.Group PAC ID 7719882943, 332 clinicians
Virtual Radiologic Professionals of California PAGroup PAC ID 7719989342, 55 clinicians
Memphis Physicians Radiological Group PCGroup PAC ID 9830123736, 79 clinicians

Practice addresses (Care Compare)

Dana Point, CA 92629
Phone (570) 271-6144

1204 Seward Ave
Searhc 1204 Behavioral Health Sitka
Sitka, AK 99835-7359
Phone (907) 966-8611

1206 Seward Ave
Searhc 1206 Behavioral Health Sitka
Sitka, AK 99835-7359
Phone (907) 966-8611

1209 Seward Ave
Searhc 1209 Behavioral
Sitka, AK 99835-7359
Phone (907) 966-8611

20 Hartford St
Houlton, ME 04730-1859

222 Tongass Dr
Sitka, AK 99835-9416
Phone (907) 966-2411

227 Tongass Dr
Sitka, AK 99835-9416
Phone (907) 966-2411

31 Ville Franche
Dana Point, CA 92629-4020
Phone (814) 723-4973

411 Beach Ave
Half Moon Bay, CA 94019-1403
Phone (309) 833-4101

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
G65463CAMDDiagnostic Radiology Physician
MD26550MEMDDiagnostic Radiology Physician

Practice roles (60 of 65)

OrganizationSpecialtyStatusNew patients
Houlton Regional Hospital CurrentSince Feb 1, 2023 Accepting new patients
Remlo Diagnostic Radiology CurrentSince Nov 1, 2024 Accepting new patients
Geisinger-HM Joint Venture, LLC CurrentSince Aug 16, 2023 Accepting new patients
Southern Monterey County Memorial Hospital Current Accepting new patients
Memphis Physicians Radiological Group PC Diagnostic Radiology CurrentSince Jul 2, 2024 Accepting new patients
Geisinger-HM Joint Venture, LLC Diagnostic Radiology CurrentSince Aug 16, 2023 Accepting new patients
Helen Newberry Joy Hospital & Healthcare Center CurrentSince Nov 1, 2025 Accepting new patients
Radiology Associates of Burlington County P a Diagnostic Radiology CurrentSince Jul 1, 2025 Accepting new patients
Sidney Health Center Current Accepting new patients
Arizona Diagnostic Radiology Group, LLC Diagnostic Radiology CurrentSince Jan 1, 2025 Accepting new patients
Sidney Health Center CurrentSince Feb 1, 2023 Accepting new patients
Southeast Alaska Regional Health Consortium Current Accepting new patients
Southeast Alaska Regional Health Consortium CurrentSince Oct 1, 2023 Accepting new patients
Houlton Regional Hospital CurrentSince Feb 1, 2023 Accepting new patients
Warren General Hospital CurrentSince Nov 6, 2024 Accepting new patients
Northern Montana Hospital Current Accepting new patients
Southeast Alaska Regional Health Consortium CurrentSince Oct 1, 2023 Accepting new patients
Crouse Radiology Associates LLP Diagnostic Radiology CurrentSince Jun 20, 2023 Accepting new patients
Hospital & Medical Foundation of Paris, Inc. CurrentSince Nov 1, 2023 Accepting new patients
South Jersey Radiology Associates P a Diagnostic Radiology CurrentSince Jul 1, 2025 Accepting new patients
Beverly Radiology Medical Group III Diagnostic Radiology CurrentSince Jan 14, 2018 Accepting new patients
IHS Radiology Medical Group, Inc. Diagnostic Radiology CurrentSince Apr 24, 2015 Accepting new patients
St Paul Place Specialists Inc Diagnostic Radiology CurrentSince Dec 26, 2023 Accepting new patients
Helen Newberry Joy Hospital & Healthcare Center CurrentSince Nov 1, 2025 Accepting new patients
Sidney Health Center CurrentSince Feb 1, 2023 Accepting new patients
Houlton Regional Hospital Current Accepting new patients
Pronet Imaging Medical Group, Inc. Diagnostic Radiology CurrentSince Jan 13, 2018 Accepting new patients
Geisinger Clinic Diagnostic Radiology CurrentSince Aug 16, 2023 Accepting new patients
Claremont Imaging Associates, a Medical Corporation Diagnostic Radiology CurrentSince Jun 10, 2024 Accepting new patients
Hospital & Medical Foundation of Paris, Inc. CurrentSince Nov 1, 2023 Accepting new patients
Central Montana Medical Facilities, Inc. CurrentSince Jul 1, 2025 Accepting new patients
Central Montana Medical Facilities, Inc CurrentSince Jul 1, 2025 Accepting new patients
Warren General Hospital Diagnostic Radiology CurrentSince Nov 6, 2024 Accepting new patients
Specialists in Medical Imaging SC Diagnostic Radiology CurrentSince Jan 4, 2023 Accepting new patients
Virtual Radiologic Professionals of California, P.a Diagnostic Radiology CurrentSince Nov 1, 2022 Accepting new patients
San Fernando Valley Interventional Radiology and Imaging Center CurrentSince Jan 14, 2018 Accepting new patients
Geisinger-HM Joint Venture LLC Diagnostic Radiology Current Accepting new patients
Casa Colina Hospital and Centers for Healthcare Current Accepting new patients
Beverly Radiology Medical Group III Diagnostic Radiology CurrentSince Jan 1, 2018 Accepting new patients
Beverly Radiology Medical Group III Diagnostic Radiology CurrentSince Jan 14, 2018 Accepting new patients
The Carle Foundation Hospital Past Accepting new patients
New York City Health and Hospitals Corporation Past Accepting new patients
Community Medical Center Past Accepting new patients
Imaging Associates of Washington, PC Diagnostic Radiology Past Accepting new patients
Coastal Radiology Associates, PLLC Diagnostic Radiology Past Accepting new patients
Mercy Medical Center Inc Past Accepting new patients
Geisinger Medical Center Past Accepting new patients
Carle Eureka Hospital Past Accepting new patients
Southeast Alaska Regional Health Consortium Past Accepting new patients
Geisinger Jersey Shore Hospital Past Accepting new patients
Glendive Medical Center, Inc Diagnostic Radiology Past Accepting new patients
Richland Memorial Hospital, Inc Past Accepting new patients
South East Alaska Regional Health Consortium Past Accepting new patients
Hospital & Medical Foundation of Paris, Inc. Past Accepting new patients
Frances Mahon Deaconess Hospital Past Accepting new patients
Hoopeston Community Memorial Hospital Past Accepting new patients
Kern Radiology Medical Group, Inc Diagnostic Radiology PastSince Jun 18, 2018 Accepting new patients
Guthrie Cortland Medical Center Past Accepting new patients
New York City Health and Hospitals Corporation Past Accepting new patients
Geisinger Bloomsburg Hospital Past Accepting new patients

Locations (25 of 42)

37 Chilkat Ave
Haines, AK 99827
Phone (907) 463-4040

3100 Channel Dr
Ste 300
Juneau, AK 99801
Phone (907) 463-4000

222 Tongass Dr
Sitka, AK 99835
Phone (907) 966-8423

18523 Corwin Rd
Ste J
Apple Valley, CA 92307
Phone (760) 242-4444

8750 Wilshire Blvd
Ste 100
Beverly Hills, CA 90211
Phone (310) 689-3100

2601 W Alameda Ave
Ste 101
Burbank, CA 91505
Phone (818) 843-7462

801 S Main St
Ste 101
Corona, CA 92882
Phone (951) 682-1099

16130 Ventura Blvd
Ste 100
Encino, CA 91436
Phone (818) 933-2020

16311 Ventura Blvd
Ste 120
Encino, CA 91436
Phone (818) 817-7707

6107 N Fresno St
Ste 101
Fresno, CA 93710
Phone (559) 435-4433

9191 Westminster Ave
Ste 105
Garden Grove, CA 92844
Phone (714) 583-6314

250 S 12th Ave
Hanford, CA 93230
Phone (559) 295-2450

2679 Zoe Ave
Huntington Park, CA 90255
Phone (323) 584-3333

3320 N Los Coyotes Diagonal
Ste 120
Long Beach, CA 90808
Phone (562) 627-0903

3715 E South St
Long Beach, CA 90805
Phone (562) 602-0700

1516 Cotner Ave
Los Angeles, CA 90025
Phone (310) 445-2843

27168 Newport Rd
Ste B
Menifee, CA 92584
Phone (951) 566-5725

25150 Hancock Ave
Ste 105
Murrieta, CA 92562
Phone (951) 412-0228

2549 Eastbluff Dr
Ste 414
Newport Beach, CA 92660
Phone (215) 628-4000

3909 Waring Rd
Ste Bc
Oceanside, CA 92056
Phone (760) 630-0014

1801 W Olympic Blvd
Pasadena, CA 91199

1801 W Olympic Blvd
#1313
Pasadena, CA 91199

1801 W Olympic Blvd
#1315
Pasadena, CA 91199

1801 W Olympic Blvd
#1317
Pasadena, CA 91199

255 E Bonita Ave
Pomona, CA 91767
Phone (866) 724-4127

Networks

  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H3359

Interoperability endpoints

  • Direct secure messaging: casacolina@direct.casacolina.org

Organizations & group practices 67

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.

View all 67

Hospital & facility affiliations 41

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

View all 41

NPI Registry JSON

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

{
    "created_epoch": "1147910400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741132800000",
    "number": "1568415727",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 34307",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921634307"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "501 WASHINGTON ST",
            "address_2": "STE 510",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921032231",
            "telephone_number": "619-819-6501"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ORSINI",
        "first_name": "THOMAS",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-18",
        "last_updated": "2025-03-05",
        "certification_date": "2025-03-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "ME",
            "license": "MD26550",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "G65463",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G654630",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Diego, CA

Sources for this page

Verify at the official NPI Registry.