Ryan Anthony Frederiksen, MD
Diagnostic Radiology (CMS) · San Diego, CA
At a glance
13280 Evening Creek Dr S, San Diego, CA 92128-4101
NPPES record updated Feb 13, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
13280 Evening Creek Dr SSan Diego, CA 92128-4101
Additional reported practice locations
751 S Bascom AveSan Jose, CA 951282604
Phone: 4088855000 4660 S Hagadorn Rd Ste 410
East Lansing, MI 488236819
Phone: 5173535053
Fax: 5178847640 3220 Discovery Dr Ste 100
Lansing, MI 489108609
Phone: 5179758930
Fax: 5173374985 4660 S Hagadorn Rd Ste 510
East Lansing, MI 488236805
Phone: 5173535053
Fax: 5178847640
Education & affiliations
- Medical / professional school
- Northeastern Ohio University College Of Medicine
- Graduation year
- 2007
- CMS specialties
- Diagnostic Radiology
Practice groups
- Evergreen Radia Llc
- Medford Radiological Group Pc
- Radia California Radiology Medical Group Inc
- Radia Inc P S
- Radia Oregon Radiology Medical Group Llc
- Swedish Health Services
- Swedish Health Services
Reported hospital affiliations
- Asante Rogue Regional Medical Center Medford, OR
- Peacehealth Southwest Medical Cente Vancouver, WA
- Providence Medford Medical Center Medford, OR
- Providence Santa Rosa Memorial Hospital Santa Rosa, CA
- Providence St Peter Hospital Olympia, WA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Diagnostic Radiology (CMS)
- Taxonomy code
- 2085R0202X
- Enumeration date
- Jun 30, 2008
- Record updated
- Feb 13, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207R00000X
License reported: A108502 CA
2085R0202X
License reported: 4301106997 MI
2085R0202X · Primary
License reported: A108502 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
13280 Evening Creek Dr SSan Diego, CA 92128-4101
- Phone
- (805) 403-9924
Mailing address
13280 EVENING CREEK DR SSAN DIEGO, CA 921284101
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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