Individual provider · Type 1 NPI

Samuel Jacob Klempner, MD

Hematology & Oncology Physician · Boston, MA

NPI number 1134329378 Active

Practice location

55 Fruit St
Boston, MA 02114-2696

Call (617) 724-7168 Map

Mailing address

6424 Colgate Ave
Los Angeles, CA 90048-4409

Other practice locations

  • 11800 Wilshire Blvd, Los Angeles, CA 90025-6602 · (310) 231-2167
  • 75 Francis St, Boston, MA 02115-6110 · (617) 732-5500

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician 207R00000X232414 (MA)
Hematology & Oncology Physician Primary 207RH0003XA125171 (CA)
Hematology (Internal Medicine) Physician 207RH0000X243585 (MA)
Medical Oncology Physician 207RX0202X243585 (MA)

Hematology & Oncology Physician: 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.

4,783 other providers at this address

Other hematology & oncology physician providers in Boston

See all in Boston →

About NPI 1134329378

Samuel Jacob Klempner, MD's National Provider Identifier is 1134329378, issued on Jul 24, 2007. The primary taxonomy on file is Hematology & Oncology Physician (207RH0003X), and the practice location is in Boston, MA. The record was last updated on Aug 14, 2026.