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

Matthew R Sullivan, MD

Individual provider Hematology & Oncology Physician · NPI 1104104918

Matthew R Sullivan, MD is an Internal Medicine in Claremont, New Hampshire. Graduated from Geisel School of Medicine at Dartmouth in 2010, 16 years ago. Practices with Mary Hitchcock Memorial Hospital, a 1,266-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New Hampshire.

Years since qualifying
16
Trained at
Geisel School of Medicine at Dartmouth
Licensed in
NH
In the registry since
2011
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

243 Elm St Vrh-Kane Center Hematology/oncology
Claremont, NH 03743-4921
Phone: (603) 542-6777
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 17663 (NH)
Internal Medicine Physician Taxonomy 207R00000X · Licence 17663 (NH)

Record details

NPI number1104104918
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 27, 2011
Last updated in NPPESSeptember 21, 2016

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHEMATOLOGY/ONCOLOGY
Medical schoolGEISEL SCHOOL OF MEDICINE AT DARTMOUTH
Graduated 2010 (16 years in practice)
Group practice Mary Hitchcock Memorial Hospital — 1266 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare