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

Dr. William Garin Wood, MD, MS

Individual provider Surgery Physician · NPI 1821309022

Dr. William Garin Wood, MD, MS is a General Surgery in Castro Valley, California. Graduated from University of California, San Francisco School of Medicine in 2010, 16 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
16
Trained at
University of California, San Francisco School of Medicine
Licensed in
CA
In the registry since
2010
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

19845 Lake Chabot Rd Ste 200
Castro Valley, CA 94546-4055
Phone: (510) 538-5500
Fax: (510) 538-5505
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence A119594 (CA)

Record details

NPI number1821309022
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MS
Sole proprietorNo
NPI enumeratedJune 23, 2010
Last updated in NPPESFebruary 12, 2026
Certification dateFebruary 12, 2026

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 2010 (16 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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