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

Cesar M Castro, MD, MSC

Individual provider Medical Oncology Physician · NPI 1184824112

Cesar M Castro, MD, MSC is a Hematology/Oncology in Boston, Massachusetts. Graduated from University of California, San Francisco School of Medicine in 2005, 21 years ago. Practices with The General Hospital Corporation, a 1,276-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
21
Trained at
University of California, San Francisco School of Medicine
Licensed in
MA
In the registry since
2007
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

185 Cambridge St Fl 5
Boston, MA 02114-2790
Phone: (617) 726-2000
Fax: (617) 643-3244
Show map & directions

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

Additional practice locations (1)

  • 75 Francis St, Boston, MA 02115-6106 — (617) 732-5500

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 235484 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 235484 (MA)

Record details

NPI number1184824112
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MSC
Sole proprietorYes
NPI enumeratedJuly 18, 2007
Last updated in NPPESFebruary 9, 2026
Certification dateFebruary 9, 2026

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice The General Hospital Corporation — 1276 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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