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JOHN A SELLING MD
NPI 1386608024
Internal Medicine - Gastroenterology in Portola Valley, CA

Active since April 12, 2006
340 WILLOWBROOK DR, PORTOLA VALLEY, CA 94028(650) 743-0932 Get Directions Write a Review

NPPES record last updated: January 21, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John A Selling Md NPPES

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

JOHN A SELLING MD (NPI 1386608024) is an individual gastroenterology provider in Portola Valley, California, licensed in California (G46375) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1386608024
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJOHN A SELLINGCredential: MD
Location Address340 WILLOWBROOK DRPortola Valley, CA 94028-7842
Mailing Address340 Willowbrook DrPortola Valley, CA 94028-7842 · (650) 743-0932
Phone(650) 743-0932
Sole ProprietorYes
Enumeration DateApril 12, 2006
Last NPPES UpdateJanuary 21, 2020
✔ NPI 1386608024 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in CA · G46375✔ Licensed in CA · G046375
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
340 WILLOWBROOK DR, Portola Valley, CA 94028
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Other Identifiers 1

OtherMMM00087MNhic

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 Selling's NPI number?

The NPI number for John Selling is 1386608024. It was assigned to this individual provider in the NPPES registry on April 12, 2006.

Where is John Selling located?

John Selling practices at 340 Willowbrook Dr, Portola Valley, CA 94028. The listed phone number is (650) 743-0932.

What is John Selling's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for John Selling was last updated on January 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.