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

Mark Leick, MD

Individual provider Medical Oncology Physician · NPI 1912325143

Mark Leick, MD is a Medical Oncology in Boston, Massachusetts. Graduated from Georgetown University School of Medicine in 2014, 12 years ago. Practices with The General Hospital Corporation, a 1,276-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
12
Trained at
Georgetown University School of Medicine
Licensed in
MA
In the registry since
2014
Specialties on file
3
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

55 Fruit St
Boston, MA 02114-2621
Phone: (520) 861-8037
Show map & directions

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

Additional practice locations (2)

  • 75 Francis St, Boston, MA 02115-6106 — (617) 732-5500
  • The Johns Hopkins Hospital 1800 Orleans St, Baltimore, MD 21287-0001 — (410) 955-3613

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 270206 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 270206 (MA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1912325143
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 4, 2014
Last updated in NPPESJanuary 22, 2026
Certification dateJanuary 22, 2026
Mailing address55 Fruit St, Boston, MA 02114-2621

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice The General Hospital Corporation — 1276 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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