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

Dr. Katherine Gassman, DO

Individual provider Family Medicine Physician · NPI 1851653620

Dr. Katherine Gassman, DO is a Family Practice in Bar Harbor, Maine. Qualified in 2012, 14 years ago. Practices with Mount Desert Island Hospital, a 59-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Texas and Washington.

Years since qualifying
14
Licensed in
TX, WA
In the registry since
2012
Specialties on file
4
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

322 Main St
Bar Harbor, ME 04609-1648
Phone: (207) 288-5119
Fax: (207) 801-5801
Show map & directions

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

Additional practice locations (1)

  • 315 Martin Luther King Jr Way, Tacoma, WA 98405-4234 — (253) 792-6680

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence OP60641519 (WA)
Family Medicine Physician Taxonomy 207Q00000X · Licence Q4157 (TX)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence OP60641519 (WA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1851653620
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 8, 2012
Last updated in NPPESMarch 17, 2018
Mailing address322 Main St, Bar Harbor, ME 04609-1648

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Mount Desert Island Hospital — 59 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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