Ellis A. Johnson, MD
Internal Medicine Physician · Westbrook, ME
Ellis A. Johnson, MD is an internal medicine physician with a practice address in Westbrook, Maine, and NPI 1215196985, issued on Jun 6, 2008. Check the license (Maine MD18827, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ellis A. Johnson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD18827 ME
Self-reported in NPPES; status is on the state search - Practice location
- 1 Harnois Ave, Westbrook, ME 04092
- Phone
- (207) 662-1340
- Enumerated
- Jun 6, 2008
- Record last updated
- Mar 13, 2025
- Fax
- (207) 662-1341
- Medicaid ID
- 32000667 NH
- Medicare enrollment
- Enrolled (PECOS I20110809000905); accepts Medicare assignment
- 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 1 Harnois Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lucy Amory, MDPediatrics Physician1275891970
- Elizabeth Bacon, LCSW, CADCClinical Social Worker1508259532
- Lauren Buoncristiano, APRN, FNP-CFamily Nurse Practitioner1740896901
- Mikayla Chase, APRN-FNPFamily Nurse Practitioner1417318742
- Caitlin Costigan, FNP-CFamily Nurse Practitioner1740662832
- Jennifer Deane, FNPFamily Nurse Practitioner1265865323
Verify Ellis A. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD18827Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% more Medicare Part D claims than the average internal medicine physician in 2024
6,043 Medicare Part D claims for 667 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 162 claims were for opioids.
Most prescribed
- Atorvastatin Calcium703 claims
- Lisinopril271 claims
- Hydrochlorothiazide232 claims
- Amlodipine Besylate225 claims
- Levothyroxine Sodium201 claims
- Losartan Potassium179 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: $17.49
1 payment: food and beverage; the largest payer was Celgene Corporation. 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
- MainehealthWestbrook, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ellis A. Johnson among 597 internal medicine physician records in Maine
Ellis A. Johnson, MD 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 2008, is newer than 61% of them.
- NPI issued2008 · 61% of these records are older, 35% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2008 · median 2005 among the 369 with a school on file
- Record last updated2025 · 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
- Elizabeth Dennis, D.O.Westbrook, ME 040921073714721
- Patrick Fleming, MDWestbrook, ME 040921205538402
- Travis Hallett, MDWestbrook, ME 040921710513726
- Stephen Hayes, M.D.Westbrook, ME 040921255369575
- Donald Medd, MDWestbrook, ME 040921902810294
- Kristin Parris, MDWestbrook, ME 040921386632289
Common questions
What is Ellis A. Johnson, MD's NPI number?
Ellis A. Johnson, MD's National Provider Identifier (NPI) is 1215196985, issued on Jun 6, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ellis A. Johnson, MD located?
The NPPES record lists a practice address at 1 Harnois Ave, Westbrook, ME, 04092. Phone: (207) 662-1340. Providers update this record themselves, so call before visiting.
How can I verify Ellis A. Johnson, MD's license?
NPPES lists Maine license number MD18827, 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 Ellis A. Johnson, MD prescribe under Medicare Part D?
In 2024, Ellis A. Johnson, MD had 6,043 Medicare Part D claims for 667 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.