1. Home
  2. Directory
  3. California
  4. Castro Valley
  5. Internal Medicine
  6. NPI Profile

STEVEN OPPENHEIMER MD
NPI 1962435396
Internal Medicine - Infectious Disease in Castro Valley, CA

Active since July 09, 2006
20103 LAKE CHABOT RD, CASTRO VALLEY, CA 94546(510) 566-8331 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Steven Oppenheimer Md NPPES

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

STEVEN OPPENHEIMER MD (NPI 1962435396) is an individual infectious disease provider in Castro Valley, California, licensed in California (G13434) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1962435396
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameSTEVEN OPPENHEIMERCredential: MD
Location Address20103 LAKE CHABOT RDCastro Valley, CA 94546-5305
Mailing AddressPo Box 2757Castro Valley, CA 94546-0757 · (510) 582-3577
Phone(510) 566-8331
Sole ProprietorYes
Enumeration DateJuly 9, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1962435396 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in CA · G13434
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
20103 LAKE CHABOT RD, Castro Valley, CA 94546
Open in Google Maps ↗

Other Identifiers 1

OtherG13434CA · Medical License

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.

DR. OLUWASEYI SEGUN BALASIRE M.D.
Hospitalist
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Alameda County (510) 727-3256
LATRICIA A AMADEO RN
Registered Nurse
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Alameda County (205) 915-5496
SARAH NOONBERG MD, PHD
Internal Medicine
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Alameda County (510) 889-5082
DR. MOYRA N RASHEED M.B.B.S
Hospitalist
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Alameda County (510) 727-3256
DOMINIC K TRAN PHARMD
Pharmacist (Ambulatory Care)
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Alameda County (510) 537-1234
THOMAS EALES DO
Emergency Medicine
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Alameda County (510) 727-3320
OMAR FAISAL SALEEM MD
Internal Medicine
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Alameda County (510) 727-3256
ERIC S. BELLFORT PA
Physician Assistant
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Alameda County (209) 342-2300

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 Steven Oppenheimer's NPI number?

The NPI number for Steven Oppenheimer is 1962435396. It was assigned to this individual provider in the NPPES registry on July 9, 2006.

Where is Steven Oppenheimer located?

Steven Oppenheimer practices at 20103 Lake Chabot Rd, Castro Valley, CA 94546. The listed phone number is (510) 566-8331.

What is Steven Oppenheimer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

When was this NPI record last updated?

The NPPES record for Steven Oppenheimer was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.