NPPES file of Aug 9, 2026

Nancy A. Hasenfus, MD

Internal Medicine Physician · Bath, ME

Nancy A. Hasenfus, MD is an internal medicine physician with a practice address in Bath, Maine, and NPI 1811927825, issued on Jul 4, 2006. Check the license (Maine 011707, as entered in NPPES) on the Maine Board of Licensure in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1811927825
Name
Nancy A. Hasenfus
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
011707 ME
Self-reported in NPPES; status is on the state search
Practice location
108 Centre St, Bath, ME 04530
Phone
(207) 386-1800
Enumerated
Jul 4, 2006
Record last updated
Feb 8, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(207) 386-1801
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 108 Centre St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Carl Demars, MDHospice and Palliative Medicine (Internal Medicine) Physician1215967245
  2. Margaret Duhamel, MDInternal Medicine Physician1215112230
  3. Cody Eaton, PACPhysician Assistant1487326104
  4. Amy Etzweiler, MDInternal Medicine Physician1568469401
  5. Alexander FiorentinoInternal Medicine Physician1093246522
  6. Catherine Fredricks-Rehagen, DOInternal Medicine Physician1821257650

Verify Nancy A. Hasenfus in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license 011707
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maine license search

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15 internal medicine physician records list a practice address in Bath

They are 15 of the 184 NPPES records with a practice address in Bath, and 597 internal medicine physician records in Maine. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other internal medicine physician records in Maine

  1. George Abboud, MDBiddeford, ME1376612945
  2. Karen Abernathy, M.D.Rockport, ME1124312335
  3. Hassan Abouleish, MDHoulton, ME1255300307
  4. Philip Abraham, M.D.Kittery, ME1497750764
  5. Elizabeth Ackerson, MDPortland, ME1912920117
  6. Lindsey Ackley-Pozzessere, DOBrunswick, ME1477991842
  7. Todd Adams, MDMoody, ME1427165778
  8. Muhammad Umer Ahmed, MDBangor, ME1134893183
  9. Samer Al-Ameri, MDBangor, ME1225514854
  10. Ali Al-OmariBangor, ME1447634431

Common questions

What is Nancy A. Hasenfus, MD's NPI number?

Nancy A. Hasenfus, MD's National Provider Identifier (NPI) is 1811927825, issued on Jul 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nancy A. Hasenfus, MD located?

The NPPES record lists a practice address at 108 Centre St, Bath, ME, 04530. Phone: (207) 386-1800. Providers update this record themselves, so call before visiting.

How can I verify Nancy A. Hasenfus, MD's license?

NPPES lists Maine license number 011707, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.