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

Hospital Medicine Services of Maine LLC

Organization Hospitalist Physician · NPI 1538638432

Hospital Medicine Services of Maine LLC is a Hospitalist Physician in Ellsworth, Maine. Works from 4 locations. Registered with an NPI since 2018.

In the registry since
2018
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

50 Union St
Ellsworth, ME 04605-1534
Phone: (865) 693-1000
Show map & directions

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

Additional practice locations (3)

  • 57 Water St, Blue Hill, ME 04614-5231 — (865) 693-1000
  • 447 N Main St, Pittsfield, ME 04967-1199 — (865) 693-1000
  • 200 Kennedy Memorial Dr, Waterville, ME 04901-4526 — (865) 693-1000

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X

Record details

NPI number1538638432
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official David Istvan — President · (917) 679-1675
NPI enumeratedNovember 20, 2018
Last updated in NPPESSeptember 16, 2019
Mailing address265 Brookview Centre Way Ste 400, Knoxville, TN 37919-4052

Other providers in Ellsworth