Elizabeth Dennis, D.O.
Internal Medicine Physician · Westbrook, ME
Elizabeth Dennis, D.O. is an internal medicine physician with a practice address in Westbrook, Maine, and NPI 1073714721, issued on May 30, 2007. Check the license (Maine 2067, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Dennis
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 2067 ME
24444 NH
Self-reported in NPPES; status is on the state search - Practice location
- 11 Rock Row Ste 320, Westbrook, ME 04092
- Phone
- (207) 303-3300
- Enumerated
- May 30, 2007
- Record last updated
- Apr 16, 2026
- Fax
- (207) 250-2139
- Medicaid ID
- 433988399 ME
- Medicare enrollment
- Enrolled (PECOS I20081016000416); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 597 in Maine → Look up another NPI →
Also registered at 11 Rock Row Ste 320
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dixie Knoll, NPFamily Nurse Practitioner1235330390
- Amanda Magnoli, ANP-BCNurse Practitioner1689945420
Verify Elizabeth Dennis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 2067Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
82 Medicare Part D claims for 33 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Levothyroxine Sodium13 claims
- Alendronate Sodium11 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.
Industry payments in 2024: $367.91
4 payments; by number, the most common kind was food and beverage; the largest payer was Tempus AI, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Maine Center For Cancer Medicine And Blood Disorders PAWestbrook, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth Dennis among 597 internal medicine physician records in Maine
Elizabeth Dennis, D.O. is one of 597 internal medicine physician records with a practice address in Maine. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 56% of them.
- NPI issued2007 · 56% of these records are older, 39% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2005 · median 2005 among the 369 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 internal medicine physician records list a practice address in Westbrook
They are 12 of the 559 NPPES records with a practice address in Westbrook, and 597 internal medicine physician records in Maine.
All 597 in Maine → Every provider in Westbrook → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Batt, MDWestbrook, ME 040921952406266
- Ravi Chandrasekaran, D.O.Westbrook, ME 040921538101886
- Patrick Fleming, MDWestbrook, ME 040921205538402
- Travis Hallett, MDWestbrook, ME 040921710513726
- Stephen Hayes, M.D.Westbrook, ME 040921255369575
- Ellis Johnson, MDWestbrook, ME 040921215196985
- Donald Medd, MDWestbrook, ME 040921902810294
- Kristin Parris, MDWestbrook, ME 040921386632289
Common questions
What is Elizabeth Dennis, D.O.'s NPI number?
Elizabeth Dennis, D.O.'s National Provider Identifier (NPI) is 1073714721, issued on May 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Dennis, D.O. located?
The NPPES record lists a practice address at 11 Rock Row Ste 320, Westbrook, ME, 04092. Phone: (207) 303-3300. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Dennis, D.O.'s license?
NPPES lists Maine license number 2067, 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 Dennis, D.O. prescribe under Medicare Part D?
In 2024, Elizabeth Dennis, D.O. had 82 Medicare Part D claims for 33 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.