1. Home
  2. Directory
  3. California
  4. San Mateo
  5. Internal Medicine
  6. NPI Profile

DENNIS ISRAELSKI
NPI 1831263540
Internal Medicine - Infectious Disease in San Mateo, CA

Active since November 17, 2006
222 W 39TH AVE, SAN MATEO, CA 94403(650) 573-2222 Get Directions Write a Review

NPPES record last updated: July 24, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dennis Israelski NPPES

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

DENNIS ISRAELSKI (NPI 1831263540) is an individual infectious disease provider in San Mateo, California, licensed in California (G55517) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1831263540
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDENNIS ISRAELSKI
Location Address222 W 39TH AVESan Mateo, CA 94403-4364
Mailing Address222 W 39th AveSan Mateo, CA 94403-4364 · (650) 573-2222
Phone(650) 573-2222
Sole ProprietorNo
Enumeration DateNovember 17, 2006
Last NPPES UpdateJuly 24, 2008
✔ NPI 1831263540 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 · G55517
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.
222 W 39TH AVE, San Mateo, CA 94403
Open in Google Maps ↗

Other Identifiers 4

Medicare ID-Type Unspecified00G555171CA
Medicaid00G555170CA
Medicare PIN00G555172CA
Medicare UPINA52968CA

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. LORENA MICHEL PSY.D.
Psychologist (Clinical)
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-3420
COUNTY OF SAN MATEO
General Acute Care Hospital
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-2222
DR. JUDITH CLAIRE SCHIFFNER M.D.
Dermatology
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-2414
SAN MATEO MEDICAL CENTER
Clinic/Center
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-2222
JOHN ANDERSON MD
Obstetrics & Gynecology
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-2222
MR. PAUL SAITO M.A.
Counselor
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-3435
CHRISTIAN SUSTRINA PTA
Physical Medicine & Rehabilitation
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-2222
KATHRYN JOY SANTANA RN PHN
Registered Nurse
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-3982

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 Dennis Israelski's NPI number?

The NPI number for Dennis Israelski is 1831263540. It was assigned to this individual provider in the NPPES registry on November 17, 2006.

Where is Dennis Israelski located?

Dennis Israelski practices at 222 W 39th Ave, San Mateo, CA 94403. The listed phone number is (650) 573-2222.

What is Dennis Israelski'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 Dennis Israelski was last updated on July 24, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.