ALEXANDER GENG INC
NPI 1992394811
Radiology - Radiation Oncology in San Francisco, CA

Active since January 14, 2021
900 HYDE ST, SAN FRANCISCO, CA 94109(415) 353-6420(415) 353-6259 Get Directions Write a Review

NPPES record last updated: January 14, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Alexander Geng Inc NPPES

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

ALEXANDER GENG INC (NPI 1992394811) is a healthcare organization registered as a radiation oncology in San Francisco, California and active in the NPI registry since January 2021. The organization lists Alexander B Geng, Physician/owner, as its authorized official.

NPPES Registry Identity

NPI1992394811
Entity TypeOrganization
Primary Taxonomy2085R0001X
Legal Business NameALEXANDER GENG INC
Location Address900 HYDE STSan Francisco, CA 94109-4806
Mailing Address450 Glass Ln Ste CModesto, CA 95356-9287 · (209) 342-2300 · Fax (209) 524-4240
Fax(415) 353-6259
Organization SubpartNo
Authorized OfficialAlexander B GengPhysician/owner · (415) 353-6420
Enumeration DateJanuary 14, 2021
NPPES CertifiedJanuary 14, 2021
NPI 1992394811 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
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.
900 HYDE ST, San Francisco, CA 94109

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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.

Pharmacist
900 HYDE ST
SAN FRANCISCO, CA 94109
Emergency Medicine
900 HYDE ST
SAN FRANCISCO, CA 94109
Psychiatry & Neurology (Psychiatry)
900 HYDE ST
SAN FRANCISCO, CA 94109
Internal Medicine
900 HYDE ST
SAN FRANCISCO, CA 94109
Emergency Medicine
900 HYDE ST
SAN FRANCISCO, CA 94109
Hospitalist
900 HYDE ST
SAN FRANCISCO, CA 94109
Internal Medicine
900 HYDE ST
SAN FRANCISCO, CA 94109
Anesthesiology
900 HYDE ST
SAN FRANCISCO, CA 94109

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 Alexander Geng Inc's NPI number?

The NPI number for Alexander Geng Inc is 1992394811. It was assigned to this organization in the NPPES registry on January 14, 2021.

Where is Alexander Geng Inc located?

Alexander Geng Inc is located at 900 Hyde St, San Francisco, CA 94109. The listed phone number is (415) 353-6420.

What is Alexander Geng Inc'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 Alexander Geng Inc was last updated on January 14, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.