Edward J. McDermott, M.D.
Internal Medicine Physician · Groton, CT
Edward J. McDermott, M.D. is an internal medicine physician with a practice address in Groton, Connecticut, and NPI 1356324008, issued on Nov 28, 2005. Check the license (Connecticut 20822, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Edward J. McDermott
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20822 CT
Self-reported in NPPES; status is on the state search - Practice location
- 235 Lestertown RD, Groton, CT 06340
- Phone
- (860) 445-7478
- Enumerated
- Nov 28, 2005
- Record last updated
- May 6, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 001208222 CT
- Entity
- Type 1 · individual
Also registered at 235 Lestertown RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Edward J. McDermott in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 20822Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
438 Medicare Part D claims for 45 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Amlodipine Besylate30 claims
- Eliquis30 claims
- Myrbetriq19 claims
- Pantoprazole Sodium16 claims
- Atorvastatin Calcium15 claims
- Metoprolol Tartrate15 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.
Internal Medicine Physician providers in Connecticut
There are 2,623 internal medicine physician records in Connecticut.
Other internal medicine physician records in Connecticut
- Hoda Abdel Salam, M.D.New Britain, CT1144509316
- Gada Abdelhafiz, MDNew London, CT1467649558
- Racha Abi Melhem, MDDerby, CT1902471352
- Gerard Abidor, D.O.Bridgeport, CT1518014539
- Lilyan AbrahamFarmington, CT1447693254
- Richard Abraham, M.D.Canton, CT1023044252
- Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
- Kenneth Abriola, MDGlastonbury, CT1083693022
- Florentino Abueg, MDSouthbury, CT1649372558
- Nila Aburto, MDStamford, CT1396325718
Common questions
What is Edward J. McDermott, M.D.'s NPI number?
Edward J. McDermott, M.D.'s National Provider Identifier (NPI) is 1356324008, issued on Nov 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Edward J. McDermott, M.D. located?
The NPPES record lists a practice address at 235 Lestertown RD, Groton, CT, 06340. Phone: (860) 445-7478. Providers update this record themselves, so call before visiting.
How can I verify Edward J. McDermott, M.D.'s license?
NPPES lists Connecticut license number 20822, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Edward J. McDermott, M.D. prescribe under Medicare Part D?
In 2024, Edward J. McDermott, M.D. had 438 Medicare Part D claims for 45 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.