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

Abhishek Kumar, MD

Individual provider Radiation Oncology Physician · NPI 1043847114

Abhishek Kumar, MD is a Radiation Oncology in Cerritos, California. Qualified in 2020, 6 years ago. Practices with The Oncology Institute Ca, a Professional Corporation, a 114-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and North Carolina.

Years since qualifying
6
Licensed in
CA, NC
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

18000 Studebaker Rd Ste 800
Cerritos, CA 90703-2671
Phone: (562) 735-3226
Fax: (833) 438-9659
Show map & directions

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

Additional practice locations (1)

  • 15262 Goldenwest St, Westminster, CA 92683-6169 — (714) 430-3865

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence A195171 (CA)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence RTL21-1087 (NC)

Record details

NPI number1043847114
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 26, 2020
Last updated in NPPESJuly 28, 2025
Certification dateJuly 28, 2025
Mailing address18000 Studebaker Rd Ste 800, Cerritos, CA 90703-2671

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice The Oncology Institute Ca, A Professional Corporation — 114 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount