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

Jonathan B Greer, MD

Individual provider Surgery Physician · NPI 1194985614

Jonathan B Greer, MD is a Surgical Oncology in Boston, Massachusetts. Graduated from Warren Alpert Medical School of Brown University in 2008, 18 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 and Maryland.

Years since qualifying
18
Trained at
Warren Alpert Medical School of Brown University
Licensed in
MA, MD
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

55 Fruit St
Boston, MA 02114-2621
Phone: (617) 726-8290
Show map & directions

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

Additional practice locations (1)

  • 600 N Wolfe St, Baltimore, MD 21287-0005 — (443) 287-6316

Specialties & licences

Surgical Oncology Physician (primary) Taxonomy 2086X0206X · Licence D85979 (MD)
Surgery Physician Taxonomy 208600000X · Licence 1018289 (MA)

Record details

NPI number1194985614
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 10, 2008
Last updated in NPPESFebruary 16, 2024
Certification dateFebruary 16, 2024
Mailing address9910 Franklin Square Dr Ste 2110, Baltimore, MD 21236-4902

Medicare enrollment

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

Medicare specialtySURGICAL ONCOLOGY
Also practisesGENERAL SURGERY
Medical schoolWARREN ALPERT MEDICAL SCHOOL OF BROWN UNIVERSITY
Graduated 2008 (18 years in practice)
Group practice The General Hospital Corporation — 1276 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Boston