Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Grant William Jirka, MD

Individual provider Internal Medicine Physician · NPI 1326667346

Dr. Grant William Jirka, MD is an Internal Medicine Physician in Los Angeles, California. Works from 2 locations. Licensed in California and Pennsylvania.

Licensed in
CA, PA
In the registry since
2020
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1441 Eastlake Ave # NTT3440
Los Angeles, CA 90089-4405
Phone: (323) 865-3823
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 833 Chestnut St Ste 220, Philadelphia, PA 19107-4405 — (215) 955-8465

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 187091 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MT220309 (PA)

Record details

NPI number1326667346
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 9, 2020
Last updated in NPPESNovember 20, 2023
Certification dateNovember 20, 2023

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