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JOHN GIFFORD BOYCE-SMITH MD
NPI 1255925590
Internal Medicine in Sonoma, CA

Active since February 26, 2021
4863 GROVE ST, SONOMA, CA 95476(415) 613-5338 Get Directions Write a Review

NPPES record last updated: February 26, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About John Gifford Boyce-smith Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN GIFFORD BOYCE-SMITH MD (NPI 1255925590) is an individual internal medicine provider in Sonoma, California, licensed in California (C23592) and active in the NPI registry since February 2021.

NPPES Registry Identity

NPI1255925590
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOHN GIFFORD BOYCE-SMITHCredential: MD
Location Address4863 GROVE STSonoma, CA 95476-6052
Mailing Address4863 Grove StSonoma, CA 95476-6052 · (415) 613-5338
Phone(415) 613-5338
Sole ProprietorYes
Enumeration DateFebruary 26, 2021
NPPES CertifiedFebruary 26, 2021
✔ NPI 1255925590 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · C23592
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4863 GROVE ST, Sonoma, CA 95476
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Boyce-smith's NPI number?

The NPI number for John Boyce-smith is 1255925590. It was assigned to this individual provider in the NPPES registry on February 26, 2021.

Where is John Boyce-smith located?

John Boyce-smith practices at 4863 Grove St, Sonoma, CA 95476. The listed phone number is (415) 613-5338.

What is John Boyce-smith's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for John Boyce-smith was last updated on February 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.