Geriatric Medicine Doctors (Internal Medicine) in Maine
Data updated monthly · Last refresh October 2026
28 Geriatric Medicine (Internal Medicine) providers practice in Maine, including 5 (18%) offering telehealth. The largest concentration is in Portland. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
28providers
5telehealth
Portlandtop city
Geriatric Medicine (Internal Medicine) by city in Maine
Choose a city to see providers there.
Where Geriatric Medicine Doctors (Internal Medicine) in Maine practice
From CMS Medicare enrollment records covering 15 of the 28 providers listed here (54%). Providers who do not bill Medicare are not included in these figures.
13%solo or small practice (under 10 clinicians)
7%mid-size group (10 to 99)
80%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Geriatric Medicine Doctors (Internal Medicine) | All clinicians in group | Main city |
| Mainehealth | 5 | 2,616 | Portland |
| Mainegeneral Medical Center | 5 | 554 | Waterville |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Geriatric Medicine Doctors (Internal Medicine) affiliated |
| Mainehealth Maine Medical Center | Portland | Nonprofit | 4 of 5 | 6 |
| Maine General Medical Center | Augusta | Nonprofit | 4 of 5 | 5 |
| Mainehealth Mid Coast Hospital | Brunswick | Nonprofit | 3 of 5 | 4 |
| Northern Light Mercy Hospital | Portland | Nonprofit | 4 of 5 | 2 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Geriatric Medicine (Internal Medicine) providers in Maine
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Annette Beyea, D.O.Augusta, ME · No drug or device payments recorded (2025) ·
(207) 626-7400 Dr. Izabela Lutostanska, M.D.Augusta, ME · No drug or device payments recorded (2025) ·
(207) 623-8411 Dr. Rebecca Spear, D.O.Augusta, ME · No drug or device payments recorded (2025) ·
(207) 626-7400 Dr. Roger Renfrew, M.D.Augusta, ME · No drug or device payments recorded (2025) ·
(207) 621-3699 Dr. Timothy Richardson, M.D.Augusta, ME · No drug or device payments recorded (2025) ·
(207) 623-5757 Dr. Maha Ghosn, MDBangor, ME · No drug or device payments recorded (2025) ·
(646) 226-6999 Dr. Jabbar Fazeli, MDBiddeford, ME · No drug or device payments recorded (2025) ·
(207) 780-6565 Dr. Rodney Chelberg, M.D.Brewer, ME · No drug or device payments recorded (2025) ·
(207) 992-2601 Dr. Richard Larocco, MDEllsworth, ME · No drug or device payments recorded (2025) ·
(207) 664-5480 Dr. Avery Osella, MDFarmington, ME · No drug or device payments recorded (2025) ·
(207) 860-4090 Dr. Jay Ungar, MDFreeport, ME · No drug or device payments recorded (2025) ·
(207) 865-6131 Dr. Karen Saylor, M.D.Freeport, ME · No drug or device payments recorded (2025) ·
(207) 865-6131 Dr. George Morrissette, MDLewiston, ME · No drug or device payments recorded (2025) ·
(207) 784-2363 Dr. Thomas Hattan, MDLewiston, ME · No drug or device payments recorded (2025) ·
(207) 795-2800 Dr. Annabelle Rae Norwood, M.D.Portland, ME · No drug or device payments recorded (2025) ·
(207) 662-3157 Dr. Ann Magner, DOPortland, ME · No drug or device payments recorded (2025) · Telehealth ·
(207) 662-3157 Dr. Heidi Wierman, MDPortland, ME · No drug or device payments recorded (2025) · Telehealth ·
(207) 662-2875 Dr. Laurel Coleman, MDPortland, ME · No drug or device payments recorded (2025) ·
(207) 662-3157 Dr. Rachel Sluder, DOPortland, ME · No drug or device payments recorded (2025) ·
(207) 662-3157 Dr. Samuel Pettit, DOPortland, ME · No drug or device payments recorded (2025) ·
(207) 662-3157 Dr. Sarah Hallen, M.D.Portland, ME · No drug or device payments recorded (2025) ·
(207) 662-3157 Dr. Angelea NannicelliScarborough, ME · No drug or device payments recorded (2025) · Telehealth ·
(207) 799-8596 Dr. Mark Braun, MDScarborough, ME · No drug or device payments recorded (2025) · Telehealth ·
(207) 883-0888 Dr. Randa Jaber, MDSkowhegan, ME · No drug or device payments recorded (2025) ·
(207) 474-0905 Dr. Rohit Gautam, MDVan Buren, ME · $208 in drug and device payments (2025) · Telehealth ·
(207) 868-2796 Dr. Roland Knausenberger, MDWaterville, ME · No drug or device payments recorded (2025) ·
(207) 872-2900 Common questions
How many Geriatric Medicine (Internal Medicine) providers are in Maine?There are 28 Geriatric Medicine (Internal Medicine) providers with active NPI records practicing in Maine, according to federal NPPES data refreshed monthly.
Do Geriatric Medicine (Internal Medicine) providers in Maine offer telehealth?Yes. 5 of the 28 Geriatric Medicine (Internal Medicine) providers in Maine (about 18%) report offering telehealth services in CMS data.
Which cities in Maine have the most Geriatric Medicine (Internal Medicine) providers?Portland (7), Augusta (6), Lewiston (2) have the highest concentration of Geriatric Medicine (Internal Medicine) providers in Maine.
How many Geriatric Medicine (Internal Medicine) providers in Maine received drug or device company payments?3 of 28 Geriatric Medicine (Internal Medicine) providers in Maine (11%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Geriatric Medicine Doctors (Internal Medicine) in Maine work in independent practices or large health systems?Among 15 Geriatric Medicine Doctors (Internal Medicine) in Maine enrolled in Medicare, 13% bill through a solo or small practice with fewer than 10 clinicians, 7% through a mid-size group of 10 to 99, and 80% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Geriatric Medicine Doctors (Internal Medicine) in Maine work at?According to CMS facility affiliation records, the Maine hospitals where the most Geriatric Medicine Doctors (Internal Medicine) hold privileges are Mainehealth Maine Medical Center in Portland; Maine General Medical Center in Augusta; Mainehealth Mid Coast Hospital in Brunswick.
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