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

Mark J Sterling, MD

Individual provider Gastroenterology Physician · NPI 1306822069

Mark J Sterling, MD is a Gastroenterology in Lewiston, Maine. Graduated from New York Medical College in 1991, 35 years ago. Practices with Berkshire Faculty Services Inc, a 275-clinician group and accepts Medicare assignment. Licensed in Massachusetts and Maine.

Years since qualifying
35
Trained at
New York Medical College
Licensed in
MA, ME
In the registry since
2005
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

300 Main St
Lewiston, ME 04240-7041
Phone: (207) 795-0111
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD30810 (ME)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 78918 (MA)

Record details

NPI number1306822069
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 15, 2005
Last updated in NPPESJuly 30, 2026
Certification dateJuly 30, 2026
Mailing address23 Mayo Rd, Wellesley, MA 02482-1036

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1991 (35 years in practice)
Group practice Berkshire Faculty Services Inc — 275 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Lewiston