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About

Summary: - Maine Medical Center (MMC) is the flagship, nonprofit hospital of MaineHealth, based in Portland, Maine. It serves greater Portland, all of Maine, and Northern New England. - Key facts: 637 beds, more than 7,000 employees; Magnet status for nursing excellence. - Affiliation: Provides access to MaineHealth network resources and is linked to the Tufts University School of Medicine for Maine’s only medical school and a biomedical research center (Maine Medical Center Research Institute). - Internal Medicine: MMC is a major teaching and referral center with comprehensive services in internal medicine as part of its broad hospital offerings. Contact / location: - Address: Bramhall Street, Portland, ME 04102 (HQ) - Phone: 207-662-0111 Notes: - MMC is the largest medical center in Maine and a key provider in internal medicine within the MaineHealth system.

Clinic Type

Internal Medicine

Address

22 Bramhall St, Portland, ME 04102-3134

Phone

207-662-2911

Email

michelle.jura@mainehealth.org

Opening Hours

Monday–Friday 7:30 AM–5:00 PM; Saturday Closed; Sunday Closed

Services Offered

  • Internal Medicine
  • Department of MaineHealth Maine Medical Center Internal Medicine

Team

  • Dylan S. Atchley — MD
  • Marie M. Caldwell — MD
  • Marshall R. Chamberlin — MD
  • Joseph Timothy DeGrinney III — MD
  • Kathryn M. Diamond Falk — MD
  • Christa Marie Dutremble — FNP
  • Elizabeth B. Eisenhardt — MD
  • Kathleen M. Fairfield — MD
  • Thomas P. Gearan — MD
  • Lesley B. Gordon — MD
  • Eric S. Haskell — DO

Insurance & Payment

Languages Spoken

FAQs

What are the hours for Internal Medicine at Maine Medical Center?

Monday–Friday 7:30 AM–5:00 PM; Saturday and Sunday Closed

What are the clinic’s hours?

Monday: 7:30 AM-5:00 PM Tuesday: 7:30 AM-5:00 PM Wednesday: 7:30 AM-5:00 PM Thursday: 7:30 AM-5:00 PM Friday: 7:30 AM-5:00 PM Saturday: Closed Sunday: Closed

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • CMS HCAHPS/Momentary Labs: 3 out of 5 stars (overall hospital rating) (514 patient surveys)
  • Healthgrades (for Dr. Stephen Hayes): 3.8 out of 5 stars (8 reviews)
  • Healthgrades (for Dr. Katherine Caldwell): 3.5 out of 5 stars (8 reviews)

Patients praise

  • High nurse communication scores (frequently cited as a strength)
  • Positive experiences with specific providers described as knowledgeable and compassionate
  • Generally effective doctor-patient communication scores above national averages
  • Gratitude for successful surgical outcomes and professional care teams

Common complaints

  • Long wait times, particularly in the emergency department
  • Concerns regarding patient privacy and chaotic environments in the ER
  • Reports of rude or dismissive behavior by some nursing and support staff
  • Cleanliness issues in clinical settings
  • Communication difficulties with specific administrative or clinical staff

"I eventually, on this occasion, was provided with a gurney-type space to lie down on in the hall, where I was then openly evaluated and interviewed with patients and families within earshot to my past and current medical problems."

Letter to the Editor, Press Herald

"Absolutely the worst medical experience in my life! Waiting time is unbelievably long. After 3 hour wait in ER waiting room still waiting to see a doctor!"

Virtuous Reviews

"I owe the staff at MMC so much love and gratitude for taking care of me for my surgery last November. They all rock from my surgeon to my nursing team."

Yelp

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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