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

Nicholas Gallagher

Individual provider Addiction Medicine (Internal Medicine) Physician · NPI 1629465208

Nicholas Gallagher is an Addiction Medicine in Augusta, Maine. Graduated from University of New England, College of Osteo Medicine in 2015, 11 years ago. Practices with Mainegeneral Medical Center, a 556-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Connecticut, Maine and Rhode Island.

Years since qualifying
11
Trained at
University of New England, College of Osteo Medicine
Licensed in
CT, ME, RI
In the registry since
2015
Specialties on file
4

Practice location Address checks out

35 Medical Center Pkwy
Augusta, ME 04330-8160
Phone: (207) 248-0097
Fax: (207) 248-0094
Show map & directions

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

Additional practice locations (2)

  • 289 Windham Rd, Willimantic, CT 06226-3528 — (203) 630-5256
  • 600 Roe Ave, Elmira, NY 14905-1629 — (607) 734-4100

Specialties & licences

Addiction Medicine (Internal Medicine) Physician (primary) Taxonomy 207RA0401X · Licence DO3075 (ME)
Addiction Medicine (Internal Medicine) Physician Taxonomy 207RA0401X · Licence 83039 (CT)
Emergency Medicine Physician Taxonomy 207P00000X · Licence DO00947 (RI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1629465208
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedApril 21, 2015
Last updated in NPPESOctober 22, 2025
Certification dateOctober 22, 2025
Mailing address35 Medical Center Pkwy, Augusta, ME 04330-8160

Medicare enrollment

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

Medicare specialtyADDICTION MEDICINE
Medical schoolUNIVERSITY OF NEW ENGLAND, COLLEGE OF OSTEO MEDICINE
Graduated 2015 (11 years in practice)
Group practice Mainegeneral Medical Center — 556 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount