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

Individual provider Specialist · NPI 1881682318

Dr. Amitabha Mazumder, MD is a Medical Oncology in Downey, California. Graduated from Johns Hopkins University School of Medicine in 1977, 49 years ago. Practices with The Oncology Institute Ca, a Professional Corporation, a 114-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California and New York.

Years since qualifying
49
Trained at
Johns Hopkins University School of Medicine
Licensed in
CA, NY
In the registry since
2005
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

11480 Brookshire Ave Ste 309
Downey, CA 90241
Phone: (562) 869-1201
Fax: (562) 869-1281
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1510 S Central Ave Ste 240, Glendale, CA 91204-2570 — (818) 334-5425
  • 160 E 34th St, New York, NY 10016-4744 — (212) 731-5196

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence G56488 (CA)
Specialist Taxonomy 174400000X · Licence 209802 (NY)

Record details

NPI number1881682318
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 10, 2005
Last updated in NPPESAugust 14, 2018

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1977 (49 years in practice)
Group practice The Oncology Institute Ca, A Professional Corporation — 114 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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