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STEPHEN ANTHONY WELLER MD
NPI 1154312890
Radiology - Radiation Oncology in Mountain View, CA

Active since November 02, 2005
701 E. EL CAMINO REAL, MOUNTAIN VIEW, CA 94040(650) 934-7000 Get Directions Write a Review

NPPES record last updated: March 16, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Stephen Anthony Weller Md NPPES

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

STEPHEN ANTHONY WELLER MD (NPI 1154312890) is an individual radiation oncology provider in Mountain View, California, licensed in California (C34851) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1154312890
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameSTEPHEN ANTHONY WELLERCredential: MD
Location Address701 E. EL CAMINO REALMountain View, CA 94040-2833
Mailing Address2350 W. El Camino Real, 2nd FloorMountain View, CA 94040-6203
Phone(650) 934-7000
Sole ProprietorNo
Enumeration DateNovember 2, 2005
Last NPPES UpdateMarch 16, 2016
✔ NPI 1154312890 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License✔ Licensed in CA · C34851
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
701 E. EL CAMINO REAL, Mountain View, CA 94040
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Other Identifiers 6

Other00C348510CA · Blue Shield
Medicare PIN00C348513
Medicaid00C348510CA
Medicare PIN00C348510CA
Medicare PIN00C348512CA
Medicare UPINA35748

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KAITLIN DUKE LEMEI M.D.
Pediatrics
701 E. EL CAMINO REAL
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 934-7000
ESTELA DEL CARMEN AYALA MEYER M.D.
Internal Medicine (Pulmonary Disease)
701 E. EL CAMINO REAL
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 934-7144
SUSAN KIRKPATRICK RD
Dietitian, Registered
701 E. EL CAMINO REAL
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 934-7177
DANIEL P CHELLIAH MD
Internal Medicine (Infectious Disease)
701 E. EL CAMINO REAL
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 934-7599
VIDYA N BHANDARKAR MD
Pediatrics
701 E. EL CAMINO REAL
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 934-7800
PUNAM KAUR BHULLAR M.D.
Internal Medicine
701 E. EL CAMINO REAL
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 934-7800
MICHAEL LIANG-KAI CHIOU M.D.
Radiology (Diagnostic Radiology)
701 E. EL CAMINO REAL
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 934-7000
RANDY LIANG D.O.
Hospitalist
701 E. EL CAMINO REAL
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 934-7000

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 Stephen Weller's NPI number?

The NPI number for Stephen Weller is 1154312890. It was assigned to this individual provider in the NPPES registry on November 2, 2005.

Where is Stephen Weller located?

Stephen Weller practices at 701 E. El Camino Real, Mountain View, CA 94040. The listed phone number is (650) 934-7000.

What is Stephen Weller's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

When was this NPI record last updated?

The NPPES record for Stephen Weller was last updated on March 16, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.