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

Dr. William Francis Nicholson, MD

Individual provider Internal Medicine Physician · NPI 1144381278

Dr. William Francis Nicholson, MD is a Cardiovascular Disease (Cardiology) in Fremont, California. Graduated from University of Southern California Keck School of Medicine in 1981, 45 years ago. Practices with Washington Township Hospital District, a 28-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
45
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA
In the registry since
2006
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

2557 Mowry Ave Ste 33
Fremont, CA 94538-1614
Phone: (510) 745-8100
Fax: (510) 797-4983
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence G47903 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G47903 (CA)

Record details

NPI number1144381278
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 13, 2006
Last updated in NPPESJuly 7, 2010

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 1981 (45 years in practice)
Group practice Washington Township Hospital District — 28 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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