Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Caleb Warren Hirsch, MD

Individual provider Internal Medicine Physician · NPI 1619976800

Dr. Caleb Warren Hirsch, MD is an Internal Medicine in West Hills, California. Graduated from New York University School of Medicine in 1986, 40 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
40
Trained at
New York University School of Medicine
Licensed in
CA
In the registry since
2005
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

23101 Sherman Pl #500
West Hills, CA 91307-2003
Phone: (818) 676-4802
Fax: (818) 676-4810
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G62063 (CA)

Record details

NPI number1619976800
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 19, 2005
Last updated in NPPESOctober 8, 2012
Mailing address23101 Sherman Pl, 500, West Hills, CA 91307-2003

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 1986 (40 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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