JOHN L BARSTIS (MD) – Hematology & Oncology Physician, NPI 1528093085

JOHN L BARSTIS (MD) is a healthcare provider. based in Los angeles, California. specializing in Hematology & Oncology Physician. They hold the professional credentials MD. They hold a License No. G39366 (CA). The NPI Number for JOHN L BARSTIS (MD) is 1528093085

Main info

Male
Name
JOHN L BARSTIS (MD)
NPI
1528093085
Phone
(661) 255-5350
Address
5767 W CENTURY BLVD
Enumeration Date
12 July 2006
Last Update Date
26 May 2010
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for JOHN L BARSTIS (MD)

  • 5767, West Century Boulevard, Westchester, Los Angeles, Los Angeles County, California, 90045, United States

    SUITE 200

    LOS ANGELES, CA 900455632

    Phone: (661) 255-5350

    Fax: (661) 255-9907

    Type: Mailing

  • McBean Parkway, Valencia, Santa Clarita, Los Angeles County, California, 91355, United States

    BLDG F STE 215

    VALENCIA, CA 913554466

    Phone: (661) 255-5350

    Fax: (661) 255-9907

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

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Medicare Enrollment & Revalidation

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Educational use only—not medical, billing, or legal advice.

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Medicare Utilization (FFS)

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No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 90045)

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Reviews

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Frequently asked questions

Is there an official ID for JOHN L BARSTIS (MD) in U.S. healthcare records?
The official identifier for JOHN L BARSTIS (MD) is NPI 1528093085.
Is JOHN L BARSTIS (MD) still an active registrant?
JOHN L BARSTIS (MD) carries an active NPI according to the public dataset.
What kind of doctor is JOHN L BARSTIS (MD)?
JOHN L BARSTIS (MD) is associated with Hematology & Oncology Physician in the directory — Clinical services aligned with this taxonomy classification.
Where in California is JOHN L BARSTIS (MD) registered?
Use Los Angeles, California as the headline location for JOHN L BARSTIS (MD) here.
Can I trust this NPI listing for JOHN L BARSTIS (MD)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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