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

Susan G Ostertag, MD

Individual provider Geriatric Medicine (Family Medicine) Physician · NPI 1902849979

Susan G Ostertag, MD is a Geriatric Medicine (Family Medicine) Physician in Bangor, Maine. Licensed in Maine. Registered with an NPI since 2006.

Licensed in
ME
In the registry since
2006
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

992 Union St Penobscot Community Health Ctr
Bangor, ME 04401-3057
Phone: (207) 945-5247
Show map & directions

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

Specialties & licences

Geriatric Medicine (Family Medicine) Physician (primary) Taxonomy 207QG0300X · Licence 013665 (ME)

Record details

NPI number1902849979
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 14, 2006
Last updated in NPPESMarch 3, 2014

Other providers in Bangor