Individual provider Active NPI

Ryan Anthony Frederiksen, MD

  • Diagnostic Radiology Physician
  • San Diego, CA
National Provider Identifier
1922260033
Registry record updated Feb 13, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
A108502 Issued in CA
Practice address
13280 Evening Creek Dr S
San Diego, CA 92128-4101
Phone
(805) 403-9924
NPI assigned
Jun 30, 2008
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 13, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A108502 CA
Diagnostic Radiology Physician 2085R0202X 4301106997 MI
Diagnostic Radiology Physician 2085R0202X A108502 CA Primary

Addresses

Primary practice location

13280 Evening Creek Dr S
San Diego, CA 92128-4101

Mailing address

13280 Evening Creek Dr S
San Diego, CA 92128-4101
Phone (805) 403-9924

Other practice location 1

751 S Bascom Ave
San Jose, CA 95128-2604
Phone (408) 885-5000

Other practice location 2

4660 S Hagadorn Rd Ste 410
East Lansing, MI 48823-6819
Phone (517) 353-5053

Other practice location 3

3220 Discovery Dr Ste 100
Lansing, MI 48910-8609
Phone (517) 975-8930

Other practice location 4

4660 S Hagadorn Rd Ste 510
East Lansing, MI 48823-6805
Phone (517) 353-5053

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, MI, OH, HI, NV, LA, WA, KY8 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 8

Enrollment IDStateProvider typePAC IDDetails
I20110221000050 CA Practitioner - Diagnostic RadiologyPractitioner - Internal Medicine 0446431753 Reassigns benefits to 7 organizations
I20150724010092 MI Practitioner - Diagnostic Radiology 0446431753 Reassigns benefits to 1 organization
I20160914001700 OH Practitioner - Diagnostic Radiology 0446431753 Reassigns benefits to 1 organization
I20170321001027 HI Practitioner - Diagnostic Radiology 0446431753 Reassigns benefits to 23 organizations
I20180502002458 NV Practitioner - Diagnostic Radiology 0446431753 Reassigns benefits to 1 organization
I20210311002835 LA Practitioner - Diagnostic Radiology 0446431753
I20220707002280 WA Practitioner - Diagnostic Radiology 0446431753 Reassigns benefits to 3 organizations
I20230105001674 KY Practitioner - Diagnostic Radiology 0446431753 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Northeastern Ohio University College of Medicine, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Medford Radiological Group PCGroup PAC ID 2062303324, 91 clinicians
Radiology Associates PAGroup PAC ID 7517953912, 103 clinicians
Swedish Health ServicesGroup PAC ID 3173433067, 156 clinicians
Evergreen Radia LLCGroup PAC ID 4587568076, 116 clinicians
Radia Inc P SGroup PAC ID 9931012812, 275 clinicians
Swedish Health ServicesGroup PAC ID 0244138196, 1,038 clinicians
Radia Oregon Radiology Medical Group LLCGroup PAC ID 2961852637, 122 clinicians
Radia California Radiology Medical Group IncGroup PAC ID 8921465998, 134 clinicians

Practice addresses (Care Compare)

Kailua, HI 96734
Phone (541) 618-5800

Honolulu, HI 96825
Phone (541) 618-5800

Edmonds, WA 98026
Phone (501) 664-3914

18100 NE Union Hill Rd
Redmond, WA 98052-3330
Phone (425) 498-2030

46 -393 Hololio St
Kaneohe, HI 96744-4223
Phone (425) 563-1500

515 Minor Ave
Suite 110
Seattle, WA 98104-2145
Phone (206) 386-9699

609 Milokai St
Kailua, HI 96734-1624
Phone (425) 563-1500

Hospital & facility affiliations

  • Asante Rogue Regional Medical Center Hospital, Medford, OR, CCN 380018
  • Providence St Peter Hospital Hospital, Olympia, WA, CCN 500024
  • Peacehealth Southwest Medical Cente Hospital, Vancouver, WA, CCN 500050
  • Overlake Hospital Medical Center & Clinics Hospital, Bellevue, WA, CCN 500051
  • Providence Medford Medical Center Hospital, Medford, OR, CCN 380075

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A108502CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
County of Santa Clara CurrentSince Jan 1, 2020 Accepting new patients
Radia Inc P S Diagnostic Radiology CurrentSince Apr 1, 2022 Accepting new patients
NRHS Radiology Associates Diagnostic Radiology CurrentSince Nov 17, 2022 Accepting new patients
Golden State Imaging Associates Inc Diagnostic Radiology CurrentSince Nov 28, 2022 Accepting new patients
Integrated Imaging Consultants LLC Diagnostic Radiology CurrentSince Aug 1, 2021 Accepting new patients
Msu Health Care Inc. CurrentSince Aug 1, 2025 Accepting new patients
Professional Radiology Inc. Diagnostic Radiology CurrentSince May 1, 2017 Accepting new patients
County of San Joaquin CurrentSince Feb 1, 2017 Accepting new patients
County of San Joaquin CurrentSince Feb 1, 2017 Accepting new patients
Mercy Health Physicians Kentucky Specialty Care LLC CurrentSince Sep 23, 2022 Accepting new patients
San Antonio Radiological Medical Diagnostic Radiology CurrentSince Nov 1, 2022 Accepting new patients
Kern Radiology Medical Group, Inc Diagnostic Radiology CurrentSince Apr 1, 2022 Accepting new patients
Radiology Consultants, LTD. Diagnostic Radiology CurrentSince Oct 1, 2018 Accepting new patients
X-Ray Medical Group Inc Diagnostic Radiology CurrentSince Dec 1, 2021 Accepting new patients
Msu Health Care Inc. Diagnostic Radiology CurrentSince Aug 1, 2025 Accepting new patients
Fullerton Radiology Medical Group, Inc Diagnostic Radiology CurrentSince Sep 1, 2021 Accepting new patients
Central Washington Health Services Association CurrentSince Feb 1, 2023 Accepting new patients
County of Santa Clara Family Medicine CurrentSince Jan 1, 2020 Accepting new patients
Radia Imaging Center Holdings LLC Diagnostic Radiology CurrentSince Apr 1, 2022 Accepting new patients
Modesto Radiological Medical Group, Inc. Diagnostic Radiology CurrentSince Jul 1, 2017 Accepting new patients
Radiology Associates PA Diagnostic Radiology CurrentSince May 24, 2022 Accepting new patients
Scripps Health Current Accepting new patients
Wenatchee Valley Hospital CurrentSince Jul 1, 2022 Accepting new patients
Msu Health Care Inc Current Accepting new patients
Evergreen Radia LLC Diagnostic Radiology CurrentSince Apr 1, 2022 Accepting new patients
County of Los Angeles CurrentSince Mar 1, 2015 Accepting new patients
Butler Imaging and Interventional Associates LLC Diagnostic Radiology CurrentSince Jan 20, 2018 Accepting new patients
Swedish Health Services CurrentSince May 19, 2022 Accepting new patients
Mercy Health Physicians Kentucky Specialty Care LLC CurrentSince Sep 23, 2022 Accepting new patients
Swedish Radia Imaging Center at Edmonds LLC Diagnostic Radiology CurrentSince Apr 1, 2022 Accepting new patients
Kern Radiology Medical Group, Inc Diagnostic Radiology Current Accepting new patients
Swedish Health Services CurrentSince May 19, 2022 Accepting new patients
Barden Thorwarth Daughtridge LTD Diagnostic Radiology CurrentSince Nov 30, 2021 Accepting new patients
Golding Radiology, LTD Diagnostic Radiology CurrentSince Apr 1, 2018 Accepting new patients
Radia Oregon Radiology Medical Group LLC Diagnostic Radiology CurrentSince Jan 1, 2024 Accepting new patients
Santa Cruz Radiology L L C Diagnostic Radiology CurrentSince May 1, 2021 Accepting new patients
County of Los Angeles CurrentSince Mar 1, 2015 Accepting new patients
Radia California Radiology Medical Group Inc Diagnostic Radiology CurrentSince Jun 1, 2023 Accepting new patients
County of Santa Clara Current Accepting new patients
SHPS, PLLC Diagnostic Radiology CurrentSince Oct 6, 2022 Accepting new patients
Rockford Radiology Assoc Diagnostic Radiology CurrentSince Nov 1, 2021 Accepting new patients
Mercy Health Physicians Kentucky LLC Family Medicine Past Accepting new patients
Doctors Hospital of Manteca, Inc. Past Accepting new patients
Regents Univ of Calif Los Angeles Past Accepting new patients
HCA Healthone LLC Past Accepting new patients
Swedish Health Services Past Accepting new patients
Norcal Healthconnect LLC Past Accepting new patients
Emanuel Medical Center, Inc. Past Accepting new patients
El Camino Hospital Past Accepting new patients
Reid Hospital & Health Care Services, Inc Past Accepting new patients
Doctors Medical Center of Modesto, Inc. Past Accepting new patients
Radiology Associates Inc Diagnostic Radiology Past Accepting new patients
Santa Barbara Cottage Hospital Past Accepting new patients
Sansum Clinic Past Accepting new patients

Locations (25 of 49)

500 S University Ave
Ste 101
Little Rock, AR 72205
Phone (501) 686-2688

500 S University Ave
Ste 600
Little Rock, AR 72205
Phone (501) 686-2688

1800 E Florence Blvd
Casa Grande, AZ 85122
Phone (520) 381-6285

1171 W Target Range Rd
Nogales, AZ 85621
Phone (520) 285-3000

1000 S Fremont Ave
Unit 9
Alhambra, CA 91803

9330 Stockdale Hwy
Ste 100
Bakersfield, CA 93311
Phone (661) 325-6800

2301 Bahamas Dr
Bakersfield, CA 93309

5451 Walnut Ave
Chino, CA 91710
Phone (909) 464-8600

800 S Main St
Corona, CA 92882
Phone (909) 625-5411

500 W Hospital Rd
French Camp, CA 95231
Phone (209) 468-6000

5555 Grossmont Center Dr
La Mesa, CA 91942
Phone (619) 465-0711

1524 McHenry Ave
Ste 100
Modesto, CA 95350
Phone (209) 571-6622

5000 San Bernardino St
Montclair, CA 91763
Phone (909) 625-4111

970 N Mountain Ave
Ontario, CA 91762
Phone (909) 579-6680

1150 N Indian Canyon Dr
Palm Springs, CA 92262
Phone (760) 323-6251

400 N McDowell Blvd
Petaluma, CA 94954
Phone (707) 778-1111

1301 N Rose Dr
Placentia, CA 92870
Phone (714) 524-4252

19950 Rinaldi St
Ste 101B
Porter Ranch, CA 91326
Phone (818) 496-7517

1441 Constitution Blvd
Salinas, CA 93906
Phone (831) 261-8090

13280 Evening Creek Dr S
Ste 110
San Diego, CA 92128
Phone (855) 835-3723

1350 W Covina Blvd
San Dimas, CA 91773
Phone (909) 394-2745

751 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-5110

26357 McBean Pkwy
Ste 155
Santa Clarita, CA 91355
Phone (661) 288-5940

121 Sotoyome St
Santa Rosa, CA 95405
Phone (707) 546-3141

1165 Montgomery Dr
Santa Rosa, CA 95405
Phone (707) 525-5300

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: ryan.fredricksen.p1@direct.wcchc.nextgenshare.com
  • Direct secure messaging: rfrederiksen81022@scrippshlth.medalliesdirect.net

Organizations & group practices 58

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

View all 58

Hospital & facility affiliations 8

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

NPI Registry JSON

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

{
    "created_epoch": "1214784000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739404800000",
    "number": "1922260033",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13280 EVENING CREEK DR S",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921284101",
            "telephone_number": "805-403-9924"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13280 EVENING CREEK DR S",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921284101",
            "telephone_number": "805-403-9924"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "751 S Bascom Ave",
            "address_purpose": "LOCATION",
            "city": "San Jose",
            "state": "CA",
            "postal_code": "951282604",
            "country_code": "US",
            "telephone_number": "408-885-5000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4660 S Hagadorn Rd Ste 410",
            "address_purpose": "LOCATION",
            "city": "East Lansing",
            "state": "MI",
            "postal_code": "488236819",
            "country_code": "US",
            "telephone_number": "517-353-5053",
            "fax_number": "517-884-7640",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3220 Discovery Dr Ste 100",
            "address_purpose": "LOCATION",
            "city": "Lansing",
            "state": "MI",
            "postal_code": "489108609",
            "country_code": "US",
            "telephone_number": "517-975-8930",
            "fax_number": "517-337-4985",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4660 S Hagadorn Rd Ste 510",
            "address_purpose": "LOCATION",
            "city": "East Lansing",
            "state": "MI",
            "postal_code": "488236805",
            "country_code": "US",
            "telephone_number": "517-353-5053",
            "fax_number": "517-884-7640",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FREDERIKSEN",
        "first_name": "RYAN",
        "middle_name": "ANTHONY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-06-30",
        "last_updated": "2025-02-13",
        "certification_date": "2025-02-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A108502",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MI",
            "license": "4301106997",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A108502",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "2425 Geary Blvd",
            "city": "San Francisco",
            "state": "CA",
            "country_code": "US",
            "postal_code": "941153358",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in San Diego, CA

Sources for this page

Verify at the official NPI Registry.