Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Nathan Thomas Mortensen, DO

Individual provider Diagnostic Radiology Physician · NPI 1679825400

Nathan Thomas Mortensen, DO is a Diagnostic Radiology in San Francisco, California. Qualified in 2012, 14 years ago. Practices with Evergreen Radia LLC, a 116-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and Oregon.

Years since qualifying
14
Licensed in
CA, OR
In the registry since
2012
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

505 Parnassus Ave Fl 3
San Francisco, CA 94143-2204
Phone: (415) 476-1537
Fax: (415) 476-0616
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 842 E Main St, Medford, OR 97504 — (541) 618-5825

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 24382 (CA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence A87377 (CA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence DO187083 (OR)

Record details

NPI number1679825400
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedOctober 3, 2012
Last updated in NPPESOctober 6, 2025
Certification dateOctober 6, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Evergreen Radia Llc — 116 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations23 on file with Medicare

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