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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ERIC HSU
NPI 1861197865
Radiology - Radiation Oncology in Palo Alto, CA

Active since March 31, 2023
875 BLAKE WILBUR DR, PALO ALTO, CA 94304(650) 723-4000 Get Directions Write a Review

NPPES record last updated: September 30, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 30, 2026, Mar 31, 2023 (2 updates tracked since 2023).

About Eric Hsu NPPES

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

ERIC HSU (NPI 1861197865) is an individual radiation oncology provider in Palo Alto, California, licensed in California (197384) and active in the NPI registry since March 2023.

NPPES Registry Identity

NPI1861197865
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameERIC HSU
Location Address875 BLAKE WILBUR DRPalo Alto, CA 94304-2205
Mailing Address875 Blake Wilbur DrPalo Alto, CA 94304-2205 · (314) 677-7236
Phone(650) 723-4000
Sole ProprietorNo
Enumeration DateMarch 31, 2023
Last NPPES UpdateSeptember 30, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 30, 2026
✔ NPI 1861197865 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 · 197384
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.
875 BLAKE WILBUR DR, Palo Alto, CA 94304
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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.

ZACHARY TYE NORMAN MD, MBA
Student in an Organized Health Care Education/Training Program
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 724-4750
RACHEL BLAIR
Registered Nurse (Ambulatory Care)
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 498-6000
JANE EDNA HUANG MD
Internal Medicine (Medical Oncology)
875 BLAKE WILBUR DR, THORACIC ONCOLOGY, CANCER CENTER
PALO ALTO, CA 94304
Santa Clara County (650) 498-6000
DR. ALLISON YUAN ZHONG MD
Radiology (Radiation Oncology)
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-6171
HEATHER BERNICE BOULTING ACNPC-AG
Nurse Practitioner
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 498-6000
MS. MELISSA VIATORI N.P.
Nurse Practitioner
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 498-6000
CHARUL SHAH RN
Registered Nurse (Oncology)
875 BLAKE WILBUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 725-1860
SANDY ON PHARMD
Pharmacist
875 BLAKE WILBUR DR, 2ND FLOOR CLINIC G HEMATOLOGY
STANFORD, CA 94304
Santa Clara County (626) 203-3514

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 Eric Hsu's NPI number?

The NPI number for Eric Hsu is 1861197865. It was assigned to this individual provider in the NPPES registry on March 31, 2023.

Where is Eric Hsu located?

Eric Hsu practices at 875 Blake Wilbur Dr, Palo Alto, CA 94304. The listed phone number is (650) 723-4000.

What is Eric Hsu'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 Eric Hsu was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.