Internal Medicine in Waterville, ME
31 active Internal Medicine providers practice in Waterville, Maine according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.
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| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1891016689 | Ann Traynor, MD, PA | Organization | Hematology & Oncology Physician | Waterville, ME |
| 1336147222 | Anthony Sintetos | Individual | Cardiovascular Disease Physician | Waterville, ME |
| 1174689343 | Bert Beverly | Individual | Internal Medicine Physician | Waterville, ME |
| 1710953476 | Charles Jacobs | Individual | Nephrology Physician | Waterville, ME |
| 1093804882 | David Hay | Individual | Gastroenterology Physician | Waterville, ME |
| 1063528008 | Edward Ringel | Individual | Pulmonary Disease Physician | Waterville, ME |
| 1942309752 | Elm City Medical Associates | Organization | Internal Medicine Physician | Waterville, ME |
| 1407899750 | George Petropoulos | Individual | Cardiovascular Disease Physician | Waterville, ME |
| 1639109366 | Integrated Medical Associates, LLC | Organization | Internal Medicine Physician | Waterville, ME |
| 1528092491 | John Irwin | Individual | Internal Medicine Physician | Waterville, ME |
| 1346969334 | Katherine Pelotte | Individual | Cardiovascular Disease Physician | Waterville, ME |
| 1174599450 | Kristin Holm | Individual | Pulmonary Disease Physician | Waterville, ME |
| 1598945321 | Macklin & Ervin Mdpa | Organization | Internal Medicine Physician | Waterville, ME |
| 1710943592 | Mainegeneral Health Associates | Organization | Pulmonary Disease Physician | Waterville, ME |
| 1598721631 | Mainegeneral Health Associates | Organization | Nephrology Physician | Waterville, ME |
| 1013988559 | Michael Lemieux | Individual | Cardiovascular Disease Physician | Waterville, ME |
| 1003909896 | Michael Saletta | Individual | Gastroenterology Physician | Waterville, ME |
| 1588866966 | Mid Maine Gastroenterology | Organization | Gastroenterology Physician | Waterville, ME |
| 1104094879 | Nadeem Siddiqui | Individual | Internal Medicine Physician | Waterville, ME |
| 1558833715 | Oksana Yerokhina | Individual | Internal Medicine Physician | Waterville, ME |
| 1114059672 | Ramon Cheleuitte | Individual | Internal Medicine Physician | Waterville, ME |
| 1073736229 | Roland H. Knausenberger, M.D. PA | Organization | Internal Medicine Physician | Waterville, ME |
| 1952406308 | Roland Knausenberger | Individual | Geriatric Medicine (Internal Medicine) Physician | Waterville, ME |
| 1316278898 | Sakdhisapol Katanyutanon | Individual | Gastroenterology Physician | Waterville, ME |
| 1609252394 | Sayeedul Hasan | Individual | Internal Medicine Physician | Waterville, ME |
| 1033175971 | Stephen Raph | Individual | Internal Medicine Physician | Waterville, ME |
| 1366883670 | Syed Rahmatullah | Individual | Cardiovascular Disease Physician | Waterville, ME |
| 1861468522 | Timothy Hendrickson | Individual | Nephrology Physician | Waterville, ME |
| 1306957428 | Todd Stapley | Individual | Internal Medicine Physician | Waterville, ME |
| 1134779531 | Trinity Health of New England Provider Network Organization Inc | Organization | Internal Medicine Physician | Waterville, ME |
| 1811187487 | Uzma Naaz | Individual | Internal Medicine Physician | Waterville, ME |
Frequently asked questions
How many Internal Medicine providers are in Waterville, ME?
The latest NPPES snapshot lists 31 active Internal Medicine providers with a practice address in Waterville, Maine.
How do I check a Internal Medicine provider's NPI in Waterville?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.
Source: CMS NPPES (public data). Snapshot 2026-07-10.