JOHN L BARSTIS MD
NPI 1528093085
Internal Medicine - Hematology & Oncology in Valencia, CA

Active since July 12, 2006
23929 MCBEAN PKWY, BLDG F STE 215, VALENCIA, CA 91355(661) 255-5350(661) 255-9907 Get Directions Write a Review

NPPES record last updated: May 26, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About John L Barstis Md NPPES

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

JOHN L BARSTIS MD (NPI 1528093085) is an individual hematology & oncology provider in Valencia, California, licensed in California (G39366) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1528093085
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameJOHN L BARSTISCredential: MD
Location Address23929 MCBEAN PKWY, BLDG F STE 215Valencia, CA 91355-4466
Mailing Address5767 W Century Blvd, Suite 200Los Angeles, CA 90045-5632 · (661) 255-5350 · Fax (661) 255-9907
Fax(661) 255-9907
Sole ProprietorNo
Enumeration DateJuly 12, 2006
Last NPPES UpdateMay 26, 2010
NPI 1528093085 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in CA · G39366
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
23929 MCBEAN PKWY, Valencia, CA 91355

Other Identifiers 4

Medicare PINWG39366CCA
Medicare PINWG39366GCA
Medicare PINWG39366ACA
Medicaid00G393660CA

Other Providers at the Same Location NPPES 13

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

Radiology (Diagnostic Radiology)
23929 MCBEAN PKWY
VALENCIA, CA 91355
Dermatology (MOHS-Micrographic Surgery)
23929 MCBEAN PKWY
VALENCIA, CA 91355
Radiology (Diagnostic Radiology)
23929 MCBEAN PKWY
VALENCIA, CA 91355
Urology
23929 MCBEAN PKWY
VALENCIA, CA 91355
Family Medicine
23929 MCBEAN PKWY, SUITE 215
VALENCIA, CA 91355
Radiology (Diagnostic Radiology)
23929 MCBEAN PKWY
VALENCIA, CA 91355
Radiology (Diagnostic Radiology)
23929 MCBEAN PKWY, BUILDING F - SUITE 109
VALENCIA, CA 91355
Urology
23929 MCBEAN PKWY, SUITE #200
VALENCIA, CA 91355

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 John Barstis's NPI number?

The NPI number for John Barstis is 1528093085. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Where is John Barstis located?

John Barstis practices at 23929 Mcbean Pkwy Bldg F Ste 215, Valencia, CA 91355. The listed phone number is (661) 255-5350.

What is John Barstis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for John Barstis was last updated on May 26, 2010. 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.