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REBECCA LONG
NPI 1639007172
Internal Medicine in Portola Valley, CA

Active since May 13, 2026
150 ALAMOS RD, PORTOLA VALLEY, CA 94028(650) 255-7699 Get Directions Write a Review

NPPES record last updated: May 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Rebecca Long NPPES

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

REBECCA LONG (NPI 1639007172) is an individual internal medicine provider in Portola Valley, California, licensed in California (A61465) and active in the NPI registry since May 2026.

NPPES Registry Identity

NPI1639007172
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameREBECCA LONG
Location Address150 ALAMOS RDPortola Valley, CA 94028-7702
Mailing Address150 Alamos RdPortola Valley, CA 94028-7702
Phone(650) 255-7699
Sole ProprietorYes
Enumeration DateMay 13, 2026
NPPES CertifiedMay 13, 2026
✔ NPI 1639007172 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 · A61465
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.
150 ALAMOS RD, Portola Valley, CA 94028
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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 Rebecca Long's NPI number?

The NPI number for Rebecca Long is 1639007172. It was assigned to this individual provider in the NPPES registry on May 13, 2026.

Where is Rebecca Long located?

Rebecca Long practices at 150 Alamos Rd, Portola Valley, CA 94028. The listed phone number is (650) 255-7699.

What is Rebecca Long'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 Rebecca Long was last updated on May 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.