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

Dr. William F Tong, MD

Individual provider General Practice Physician · NPI 1457354110

Dr. William F Tong, MD is a Family Practice in Watsonville, California. Graduated from University of California, Geffen School of Medicine in 1979, 47 years ago. Practices with Doctors on Duty Medical Group, Inc, a 64-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
47
Trained at
University of California, Geffen School of Medicine
Licensed in
CA
In the registry since
2005
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

1505 Main St
Watsonville, CA 95076-3761
Phone: (831) 722-1444
Fax: (831) 722-4414
Show map & directions

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

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence G43285 (CA)

Record details

NPI number1457354110
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2005
Last updated in NPPESFebruary 8, 2010

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 1979 (47 years in practice)
Group practice Doctors On Duty Medical Group, Inc — 64 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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