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

DR. SLAWOMIR WOJTOWICZ-PRAGA M.D.
NPI 1720262330
Internal Medicine - Medical Oncology in South San Francisco, CA

Active since December 19, 2007
1 DNA WAY, GENENTECH, MAILSTOP 444A, SOUTH SAN FRANCISCO, CA 94080(650) 467-9092 Get Directions Write a Review

NPPES record last updated: December 1, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Slawomir Wojtowicz-praga M.d. NPPES

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

DR. SLAWOMIR WOJTOWICZ-PRAGA M.D. (NPI 1720262330) is an individual medical oncology provider in South San Francisco, California, licensed in California (C 53872) and active in the NPI registry since December 2007.

NPPES Registry Identity

NPI1720262330
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. SLAWOMIR WOJTOWICZ-PRAGACredential: M.D.
Location Address1 DNA WAY, GENENTECH, MAILSTOP 444ASouth San Francisco, CA 94080-4918
Mailing Address1 Dna Way, Genentech, Mailstop 444aSouth San Francisco, CA 94080-4918 · (650) 467-9092
Phone(650) 467-9092
Sole ProprietorYes
Enumeration DateDecember 19, 2007
Last NPPES UpdateDecember 1, 2009
✔ NPI 1720262330 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in CA · C 53872
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License 25MA06515300 (NJ)
1 DNA WAY, South San Francisco, CA 94080
Open in Google Maps ↗

Other Providers at the Same Location NPPES 12

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

DR. KETNA MISTRY MD
Pediatrics
1 DNA WAY, MS 8214
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 303-6097
DR. PATRICK SHAWN TWOMEY M.D.
Internal Medicine
1 DNA WAY
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 225-2580
DR. IAN L MCLEAN MBCHB PHD FACP FRCP
Internal Medicine (Rheumatology)
1 DNA WAY, GENENTECH
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 467-3356
SALENA QUAN NP
Nurse Practitioner (Occupational Health)
1 DNA WAY
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 225-3039
DR. HAROLD VINCENT BARRON MD
Specialist
1 DNA WAY
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 225-6993
DR. MARK CHRISTOPHER BENYUNES M.D.
Internal Medicine (Medical Oncology)
1 DNA WAY, MAILSTOP 444B
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 225-1628
ARUN VILLIVALAM, MD., INC.
General Practice
1 DNA WAY, BUILDING 5
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (703) 760-0700
JAKOB DUPONT MD
Internal Medicine (Medical Oncology)
1 DNA WAY
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 255-9183

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 Slawomir Wojtowicz-praga's NPI number?

The NPI number for Slawomir Wojtowicz-praga is 1720262330. It was assigned to this individual provider in the NPPES registry on December 19, 2007.

Where is Slawomir Wojtowicz-praga located?

Slawomir Wojtowicz-praga practices at 1 Dna Way Genentech, Mailstop 444A, South San Francisco, CA 94080. The listed phone number is (650) 467-9092.

What is Slawomir Wojtowicz-praga's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

When was this NPI record last updated?

The NPPES record for Slawomir Wojtowicz-praga was last updated on December 1, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.