Douglas Couper, MD
Internal Medicine Physician · Portland, ME
Douglas Couper, MD is an internal medicine physician with a practice address in Portland, Maine, and NPI 1154371243, issued on May 11, 2006. Check the license (Maine MD13320, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Douglas Couper
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD13320 ME
Self-reported in NPPES; status is on the state search - Practice location
- 331 Veranda St, Portland, ME 04103
- Phone
- (207) 791-3796
- Enumerated
- May 11, 2006
- Record last updated
- Sep 29, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (207) 828-2429
- Medicare enrollment
- Enrolled (PECOS I20050628001047); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 597 in Maine → Look up another NPI →
Also registered at 331 Veranda St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cathra Chappelle, MDFamily Medicine Physician1912957069
- Patrick Connolly, MDFamily Medicine Physician1982655098
- Pamela Courtney, D.O.Internal Medicine Physician1225064967
Verify Douglas Couper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD13320Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% more Medicare Part D claims than the average internal medicine physician in 2024
4,079 Medicare Part D claims for 509 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 65 claims were for opioids.
Most prescribed
- Atorvastatin Calcium243 claims
- Amlodipine Besylate226 claims
- Lisinopril219 claims
- Losartan Potassium170 claims
- Rosuvastatin Calcium170 claims
- Metoprolol Succinate164 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
- Martin's Point Health Care, Inc.Portland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas Couper among 597 internal medicine physician records in Maine
Douglas Couper, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 44% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1987 · median 2005 among the 369 with a school on file
- Record last updated2020 · 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).
145 internal medicine physician records list a practice address in Portland
They are 145 of the 6,022 NPPES records with a practice address in Portland, and 597 internal medicine physician records in Maine.
All 597 in Maine → Every provider in Portland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Pamela Courtney, D.O.Portland, ME 041031225064967
- Dale Gowen, MDPortland, ME 041031730114901
- Brad Huot, MDPortland, ME 041031891866372
- Daniel Merson, D.OPortland, ME 041031982652129
- Lauren Michalakes, MDPortland, ME 041031093850059
- Louisa Bauer, MDPortland, ME 041021811574668
- Timothy Bender, DOPortland, ME 041021841827284
- Shannon Donovan, DOPortland, ME 041021629727854
Common questions
What is Douglas Couper, MD's NPI number?
Douglas Couper, MD's National Provider Identifier (NPI) is 1154371243, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Couper, MD located?
The NPPES record lists a practice address at 331 Veranda St, Portland, ME, 04103. Phone: (207) 791-3796. Providers update this record themselves, so call before visiting.
How can I verify Douglas Couper, MD's license?
NPPES lists Maine license number MD13320, 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 Douglas Couper, MD prescribe under Medicare Part D?
In 2024, Douglas Couper, MD had 4,079 Medicare Part D claims for 509 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.