Registry data as of Aug 27, 2026

David Thompson, MD

Internal Medicine Physician · Niantic, CT

David Thompson, MD is an internal medicine physician with a practice address in Niantic, Connecticut, and NPI 1477546455, issued on Aug 25, 2005. Check the license (Connecticut 20184, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1477546455
Name
David Thompson
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
20184 CT
Self-reported in NPPES; status is on the state search
Practice location
22 W Main St, Niantic, CT 06357
Phone
(860) 739-4431
Enumerated
Aug 25, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 22 W Main St

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

  1. Bruce Cooper, MDInternal Medicine Physician1043203037
  2. Abel Donka, MDInternal Medicine Physician1649322686
  3. Robert Goldberg, MDInternal Medicine Physician1003809096

Verify David Thompson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 20184
    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 Connecticut 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.

2.9 times the Medicare Part D claims of the average internal medicine physician in 2024

7,961 Medicare Part D claims for 445 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 178 claims were for opioids.

  1. David Thompson7,961
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium520 claims
  2. Trazodone Hcl274 claims
  3. Lisinopril254 claims
  4. Metoprolol Succinate250 claims
  5. Eliquis221 claims
  6. Levothyroxine Sodium208 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: $245.24

18 payments, mostly food and beverage; the largest payer was Novo Nordisk Inc. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Thompson$245.24
  2. Specialty average$2,536.66

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. David D Thompson JR And Robert A Linden PtrNiantic, CT

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

4 internal medicine physician records list a Niantic practice address

They are 4 of the 119 NPPES records with a Niantic practice address, and 2,830 internal medicine physician records in Connecticut.

Other internal medicine physician records in Connecticut

  1. Christina AbavanaBridgeport, CT1508206574
  2. Hoda Abdel Salam, M.D.New Britain, CT1144509316
  3. Gada Abdelhafiz, MDNew London, CT1467649558
  4. Mahmoud Abdelrahman, MDBridgeport, CT1467072868
  5. Simon Abi-SalehBridgeport, CT1891315529
  6. Gerard Abidor, D.O.Bridgeport, CT1518014539
  7. Richard Abraham, M.D.Canton, CT1023044252
  8. Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
  9. Nila Aburto, MDStamford, CT1396325718
  10. Angelo Accomando, M.D.East Haven, CT1063454247

Common questions

What is David Thompson, MD's NPI number?

David Thompson, MD's National Provider Identifier (NPI) is 1477546455, issued on Aug 25, 2005. An NPI identifies a provider in billing; it is not a license.

Where is David Thompson, MD located?

The NPPES record lists a practice address at 22 W Main St, Niantic, CT, 06357. Phone: (860) 739-4431. Providers update this record themselves, so call before visiting.

How can I verify David Thompson, MD's license?

NPPES lists Connecticut license number 20184, 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 David Thompson, MD prescribe under Medicare Part D?

In 2024, David Thompson, MD had 7,961 Medicare Part D claims for 445 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.