NPPES file of Aug 9, 2026

Elizabeth B. Eisenhardt, MD

Internal Medicine Physician · Falmouth, ME

Elizabeth B. Eisenhardt, MD is an internal medicine physician with a practice address in Falmouth, Maine, and NPI 1194893982, issued on Dec 1, 2006. Check the license (Maine MD18198, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194893982
Name
Elizabeth B. Eisenhardt
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD18198 ME
Self-reported in NPPES; status is on the state search
Practice location
5 Bucknam RD, Falmouth, ME 04105
Phone
(207) 781-1500
Enumerated
Dec 1, 2006
Record last updated
Oct 24, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(207) 781-1507
Medicaid ID
434423399 ME
Medicare enrollment
Enrolled (PECOS I20090901000108); accepts Medicare assignment
Medical or professional school
Geisel School Of Medicine At Dartmouth, 2006
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5 Bucknam RD

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

  1. Jeffrey Aalberg, MDFamily Medicine Physician1669400222
  2. George Babikian, MDOrthopaedic Surgery Physician1972502052
  3. Michael Becker, MDAdult Reconstructive Orthopaedic Surgery Physician1972502961
  4. Michelle Bednarz, LCSWSocial Worker1629164173
  5. Mark Bouchard, MDFamily Medicine Physician1023040656
  6. Ryan Close, M.D.Internal Medicine Physician1831451442

Verify Elizabeth B. Eisenhardt 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 MD18198
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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65% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,107 Medicare Part D claims for 226 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Elizabeth Eisenhardt1,107
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium96 claims
  2. Lisinopril64 claims
  3. Omeprazole47 claims
  4. Amlodipine Besylate44 claims
  5. Losartan Potassium39 claims
  6. Gabapentin37 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. MainehealthPortland, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

9 internal medicine physician records list a practice address in Falmouth

They are 9 of the 429 NPPES records with a practice address in Falmouth, and 597 internal medicine physician records in Maine.

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 Elizabeth B. Eisenhardt, MD's NPI number?

Elizabeth B. Eisenhardt, MD's National Provider Identifier (NPI) is 1194893982, issued on Dec 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth B. Eisenhardt, MD located?

The NPPES record lists a practice address at 5 Bucknam RD, Falmouth, ME, 04105. Phone: (207) 781-1500. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth B. Eisenhardt, MD's license?

NPPES lists Maine license number MD18198, 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.

How much does Elizabeth B. Eisenhardt, MD prescribe under Medicare Part D?

In 2024, Elizabeth B. Eisenhardt, MD had 1,107 Medicare Part D claims for 226 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.