HealthcareDiscovery.AI / Doctors / Maine / Nephrology

Nephrologists in Maine

Data updated monthly · Last refresh October 2026

50 Nephrology providers practice in Maine, including 9 (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.

50providers
9telehealth
Portlandtop city

Nephrology by city in Maine

Choose a city to see providers there.

Nephrology in Portland24 providers
Nephrology in Bangor9 providers
Nephrology in Lewiston5 providers
Nephrology in Belfast3 providers
Nephrology in Augusta2 providers
Nephrology in Waterville2 providers
Nephrology in Brunswick1 providers
Nephrology in Rockport1 providers
Nephrology in York1 providers
Nephrology in Searsmont1 providers
Nephrology in Farmington1 providers

Where Nephrologists in Maine practice

From CMS Medicare enrollment records covering 31 of the 50 providers listed here (62%). Providers who do not bill Medicare are not included in these figures.

10%solo or small practice (under 10 clinicians)
3%mid-size group (10 to 99)
87%large group or health system (100+)

Largest practice groups

Group (as registered with Medicare)NephrologistsAll clinicians in groupMain city
Mainehealth182,616Portland
Northeast Nephrology PA56Bangor
Mainegeneral Medical Center4554Augusta
Mercy Hospital4307Portland
Nephrology Associates of Central Maine47Lewiston

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingNephrologists affiliated
Mainehealth Maine Medical CenterPortlandNonprofit4 of 518
Maine General Medical CenterAugustaNonprofit4 of 59
Mainehealth Stephens HospitalNorwayNonprofit4 of 56
Northern Light Eastern Maine Medical CenterBangorNonprofit5 of 56
LincolnhealthDamariscottaNonprofit3 of 56

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.

Nephrology 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. David Redding, DO
Augusta, ME · No drug or device payments recorded (2025) · (207) 626-6480
Dr. Elias Lemoine, D.O.
Augusta, ME · No drug or device payments recorded (2025) · (207) 626-4680
Dr. David Levy, M.D.
Bangor, ME · No drug or device payments recorded (2025) · (207) 973-8833
Dr. Gerardo Franco Ahumada, M.D.
Bangor, ME · No drug or device payments recorded (2025) · (207) 973-7000
Dr. Hui Liu, M.D.
Bangor, ME · No drug or device payments recorded (2025) · Telehealth · (207) 973-8833
Dr. Manish Nepal, MD
Bangor, ME · $97 in drug and device payments (2025) · (207) 973-8833
Dr. Michael Mcgoldrick, MD
Bangor, ME · No drug or device payments recorded (2025) · (207) 973-8833
Dr. Mihail Soare, M.D.
Bangor, ME · $97 in drug and device payments (2025) · (207) 262-6051
Dr. Richard Patch, MD
Bangor, ME · No drug or device payments recorded (2025) · (207) 973-8833
Dr. Robert Whitehouse, M.D.
Bangor, ME · No drug or device payments recorded (2025) · (207) 973-8833
Dr. Stephen Comeau, M.D.
Bangor, ME · No drug or device payments recorded (2025) · (207) 973-8833
Dr. Abbas El-khatib, MD
Belfast, ME · $69 in drug and device payments (2025) · (207) 505-4080
Dr. Faisal Jamal, MD
Belfast, ME · $44 in drug and device payments (2025) · (207) 505-4080
Dr. Mauricio Botero-velez, M.D.
Belfast, ME · No drug or device payments recorded (2025) · (207) 505-4304
Dr. Dmitry Opolinsky, DO
Brunswick, ME · No drug or device payments recorded (2025) · (207) 373-6000
Dr. Robert Zimmerman, MD
Farmington, ME · No drug or device payments recorded (2025) · (207) 779-2456
Dr. Andrew Thornton, M.D.
Lewiston, ME · No drug or device payments recorded (2025) · Telehealth · (207) 783-1449
Dr. Cynthia Desoi, M.D.
Lewiston, ME · No drug or device payments recorded (2025) · (207) 783-1449
Dr. Jenie Smith, M.D.
Lewiston, ME · No drug or device payments recorded (2025) · (207) 783-1449
Dr. Jeremy Wright, D.O.
Lewiston, ME · No drug or device payments recorded (2025) · Telehealth · (207) 783-1449
Dr. Matthew Pyenta, D.O.
Lewiston, ME · No drug or device payments recorded (2025) · (207) 783-1449
Dr. Abd Assalam Qannus, M.D.
Portland, ME · $252 in drug and device payments (2025) · (207) 662-7872
Dr. Alan Segal, M.D.
Portland, ME · No drug or device payments recorded (2025) · (207) 774-5222
Dr. Brad Schimelman, MD
Portland, ME · No drug or device payments recorded (2025) · (207) 774-5222
Dr. Carl Blond, M.D.
Portland, ME · No drug or device payments recorded (2025) · (207) 774-5222
Dr. Eric Holmes, PA-C
Portland, ME · No drug or device payments recorded (2025) · (207) 774-5222
Dr. Eric Taylor, MD
Portland, ME · No drug or device payments recorded (2025) · (207) 774-5222
Dr. Gary Diperna, DO
Portland, ME · No drug or device payments recorded (2025) · Telehealth · (207) 774-5222
Dr. Grant Oakley, D.O.
Portland, ME · No drug or device payments recorded (2025) · Telehealth · (207) 774-5222
Dr. Hassan Mahmoud, M.D.
Portland, ME · No drug or device payments recorded (2025) · (207) 774-5222
Dr. Ioan Cosma, MD
Portland, ME · $49 in drug and device payments (2025) · (207) 774-5222
Dr. James Wasserman, M.D.
Portland, ME · No drug or device payments recorded (2025) · (207) 774-5222
Dr. John Vella, M.D.
Portland, ME · No drug or device payments recorded (2025) · Telehealth · (207) 774-5222
Dr. Jonathan Amatruda, M.D.
Portland, ME · No drug or device payments recorded (2025) · (207) 774-5222
Dr. Mahendra Mangray, MD
Portland, ME · No drug or device payments recorded (2025) · (207) 774-5222
Dr. Mark Parker, M.D.
Portland, ME · No drug or device payments recorded (2025) · (207) 662-0111
Dr. Michael Akom, M.D.
Portland, ME · No drug or device payments recorded (2025) · (207) 774-5222
Dr. Patricia Cantlin, DO
Portland, ME · No drug or device payments recorded (2025) · (207) 774-5222
Dr. Paul Parker, MD
Portland, ME · $41 in drug and device payments (2025) · Telehealth · (207) 774-5222
Dr. Prasheen Shah, MD
Portland, ME · No drug or device payments recorded (2025) · Telehealth · (207) 774-5222
Dr. Robert Hayden, MD
Portland, ME · No drug or device payments recorded (2025) · (207) 774-5222
Dr. Robert Isom, M.D.
Portland, ME · $1,095 in drug and device payments (2025) · (207) 774-5222
Dr. Sean Hebert, MD
Portland, ME · $29 in drug and device payments (2025) · Telehealth · (207) 662-7180
Dr. Stepfany Fuentes, DO
Portland, ME · No drug or device payments recorded (2025) · (207) 774-5222
Dr. Zain Alshanableh, MD
Portland, ME · No drug or device payments recorded (2025) · (207) 774-5222
Dr. Abebech Waktola, MD
Rockport, ME · No drug or device payments recorded (2025) · (270) 301-8000
Dr. Suzanne Humphries, M.D.
Searsmont, ME · No drug or device payments recorded (2025) · (207) 342-2688
Dr. Charles Jacobs, MD
Waterville, ME · No drug or device payments recorded (2025) · (207) 872-1293
Dr. Timothy Hendrickson, DO
Waterville, ME · No drug or device payments recorded (2025) · (207) 626-1018
Dr. Catherine Stehman-breen, MD
York, ME · No drug or device payments recorded (2025) · (207) 361-4566

Conditions Nephrology providers in Maine commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Nephrology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Nephrology providers are in Maine?

There are 50 Nephrology providers with active NPI records practicing in Maine, according to federal NPPES data refreshed monthly.

Do Nephrology providers in Maine offer telehealth?

Yes. 9 of the 50 Nephrology providers in Maine (about 18%) report offering telehealth services in CMS data.

Which cities in Maine have the most Nephrology providers?

Portland (24), Bangor (9), Lewiston (5) have the highest concentration of Nephrology providers in Maine.

How many Nephrology providers in Maine received drug or device company payments?

9 of 50 Nephrology providers in Maine (18%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Nephrology providers in Maine treat?

Nephrology providers commonly treat chronic kidney disease, kidney stones, dialysis care, high blood pressure and related conditions. Individual practices vary, so confirm with the provider before booking.

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 Nephrologists in Maine work in independent practices or large health systems?

Among 31 Nephrologists in Maine enrolled in Medicare, 10% bill through a solo or small practice with fewer than 10 clinicians, 3% through a mid-size group of 10 to 99, and 87% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Nephrologists in Maine work at?

According to CMS facility affiliation records, the Maine hospitals where the most Nephrologists hold privileges are Mainehealth Maine Medical Center in Portland; Maine General Medical Center in Augusta; Mainehealth Stephens Hospital in Norway.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Nephrology in Maine? Get featured.