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

John S Sohn, MD

Individual provider Nuclear Radiology Physician · NPI 1376648410

John S Sohn, MD is a Diagnostic Radiology in Colton, California. Graduated from Temple University School of Medicine in 2000, 26 years ago. Practices with Arrowhead Radiology Medical Group Inc, a 10-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
26
Trained at
Temple University School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

400 N Pepper Ave
Colton, CA 92324-1801
Phone: (909) 580-1520
Fax: (909) 580-1561
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence A77055 (CA)
Nuclear Radiology Physician Taxonomy 2085N0904X · Licence A77055 (CA)
Diagnostic Ultrasound Physician Taxonomy 2085U0001X · Licence A77055 (CA)

Record details

NPI number1376648410
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 13, 2006
Last updated in NPPESJanuary 20, 2009
Mailing address400 N Pepper Ave, Colton, CA 92324-1801

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolTEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Arrowhead Radiology Medical Group Inc — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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