IndividualActive
Matthew Grunwald, M.D.
NPI 1689061954 · Gastroenterology Physician · Portland, ME
Provider details
- NPI number
- 1689061954
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD25916 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Practice location
161 Marginal Way
Portland, ME 04101-2438
Phone: (207) 773-7964
Fax: (207) 773-9073
Approximate (ZIP-level) locationGet directions
Mailing address
161 Marginal Way
Portland, ME 04101-2438
Additional practice locations (1)
- 48 Gilman StPortland, ME 04102-3004Phone: (207) 661-4400
Registry dates
- Enumerated
- 2015-04-23
- Last updated
- 2022-12-19
- Certified
- 2022-12-19
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.