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

Nathaniel J Merrell, MD

Individual provider Surgery Physician · NPI 1922162262

Nathaniel J Merrell, MD is a General Surgery in Leominster, Massachusetts. Graduated from University of Rochester School of Medicine and Dentistry in 1987, 39 years ago. Practices with R Leslie Shelton MD PC, a 2-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
39
Trained at
University of Rochester School of Medicine and Dentistry
Licensed in
MA
In the registry since
2006
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

100 Hospital Rd Ste 2B
Leominster, MA 01453-2253
Phone: (978) 840-6481
Fax: (978) 840-0506
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 72557 (MA)

Record details

NPI number1922162262
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 21, 2006
Last updated in NPPESJuly 8, 2007
Mailing address100 Hospital Rd, Suite 2b, Leominster, MA 01453-2253

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolUNIVERSITY OF ROCHESTER SCHOOL OF MEDICINE AND DENTISTRY
Graduated 1987 (39 years in practice)
Group practice R Leslie Shelton Md Pc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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