Registry data as of Aug 27, 2026

James Dorr, M.D.

Internal Medicine Physician · Darien, CT

James Dorr, M.D. is an internal medicine physician with a practice address in Darien, Connecticut, and NPI 1427367705, issued on Oct 4, 2010. Check the license (Connecticut 11329, as entered in NPPES) on the Connecticut Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1427367705
Name
James Dorr
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
11329 CT
Self-reported in NPPES; status is on the state search
Practice location
1500 Post RD, Darien, CT 06820
Phone
(203) 655-8749
Enumerated
Oct 4, 2010
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 1500 Post RD

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

  1. Elisabeth Aronow, M.D.Obstetrics & Gynecology Physician1831127109
  2. Melindy Ciulla, M.D.Obstetrics & Gynecology Physician1073740882
  3. Susan Collins, M.D.Internal Medicine Physician1306877626
  4. Allison Levey, MDPediatrics Physician1023261336
  5. Robert Lindberg, M.D.Internal Medicine Physician1295897973
  6. Charles Miner, M.D.Internal Medicine Physician1487689170

Verify James Dorr in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 11329
    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.

14 internal medicine physician records list a Darien practice address

They are 14 of the 380 NPPES records with a Darien practice address, and 2,830 internal medicine physician records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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 James Dorr, M.D.'s NPI number?

James Dorr, M.D.'s National Provider Identifier (NPI) is 1427367705, issued on Oct 4, 2010. An NPI identifies a provider in billing; it is not a license.

Where is James Dorr, M.D. located?

The NPPES record lists a practice address at 1500 Post RD, Darien, CT, 06820. Phone: (203) 655-8749. Providers update this record themselves, so call before visiting.

How can I verify James Dorr, M.D.'s license?

NPPES lists Connecticut license number 11329, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.