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

Kathleen D Polonchek, MD

Individual provider Family Medicine Physician · NPI 1659784064

Kathleen D Polonchek, MD is a Family Practice in Brunswick, Maine. Graduated from Northwestern University Feinberg Medical School in 2014, 12 years ago. Practices with Mainegeneral Medical Center, a 556-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
12
Trained at
Northwestern University Feinberg Medical School
Licensed in
ME
In the registry since
2014
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

329 Maine St Ste A200
Brunswick, ME 04011-3310
Phone: (207) 373-4700
Fax: (207) 618-5688
Show map & directions

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

Additional practice locations (1)

  • 4 Sheridan Rd, Fairfield, ME 04937-3314 — (207) 453-3100

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD21696 (ME)

Record details

NPI number1659784064
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 4, 2014
Last updated in NPPESJuly 14, 2026
Certification dateJuly 14, 2026

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 2014 (12 years in practice)
Group practice Mainegeneral Medical Center — 556 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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