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

Dr. Donald Feinstein, MD

Individual provider Hematology (Internal Medicine) Physician · NPI 1861429581

Dr. Donald Feinstein, MD is a Hematology (Internal Medicine) Physician in Los Angeles, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

1520 San Pablo St Ste 1000
Los Angeles, CA 90033-5310
Phone: (626) 457-5839
Fax: (626) 457-4079
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence G05611 (CA)

Record details

NPI number1861429581
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 27, 2006
Last updated in NPPESJune 25, 2008

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