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

Dr. William Sohn, MD

Individual provider Urology Physician · NPI 1467781583

Dr. William Sohn, MD is an Urology in Fontana, California. Graduated from New York Medical College in 2007, 19 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in California and Tennessee.

Years since qualifying
19
Trained at
New York Medical College
Licensed in
CA, TN
In the registry since
2009
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

9961 Sierra Ave Dept OF Urology
Fontana, CA 92335-6720
Phone: (909) 427-4081
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence A106027 (CA)
Urology Physician Taxonomy 208800000X · Licence 49764 (TN)

Record details

NPI number1467781583
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 19, 2009
Last updated in NPPESNovember 17, 2021
Certification dateNovember 17, 2021
Mailing address9961 Sierra Ave, Department Of Urology, Fontana, CA 92335-6720

Medicare enrollment

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

Medicare specialtyUROLOGY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 2007 (19 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Fontana