Registry data as of Aug 27, 2026

Karen Dalton, M.D.

Internal Medicine Physician · Stamford, CT

Karen Dalton, M.D. is an internal medicine physician with a practice address in Stamford, Connecticut, and NPI 1962757633, issued on Jul 19, 2012. Check the license 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 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1962757633
Name
Karen Dalton
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
35218 CO
Self-reported in NPPES; status is on the state search
Practice location
1180 Newfield Ave, Stamford, CT 06905
Phone
(314) 888-5233
Enumerated
Jul 19, 2012
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 1180 Newfield Ave

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

  1. Megan Anthony, FNPFamily Nurse Practitioner1174042790
  2. Sharon Best, PA-CMedical Physician Assistant1669596540
  3. Robert Chasuk, MDFamily Medicine Physician1942202627
  4. Angela Dougherty, CNSFamily Nurse Practitioner1386013340
  5. Diane Dunniway, NPPObstetrics & Gynecology Nurse Practitioner1104986330
  6. Theresa Escalante, M.D.Internal Medicine Physician1700941424

Verify Karen Dalton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck 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.

98% fewer Medicare Part D claims than the average internal medicine physician in 2024

63 Medicare Part D claims for 14 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Karen Dalton63
  2. Specialty average3,176

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

  1. MY Catholic Doctor PLLCStamford, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

131 internal medicine physician records list a practice address in Stamford

They are 131 of the 2,774 NPPES records with a practice address in Stamford, and 2,623 internal medicine physician records in Connecticut.

Other internal medicine physician records in Connecticut

  1. Hoda Abdel Salam, M.D.New Britain, CT1144509316
  2. Gada Abdelhafiz, MDNew London, CT1467649558
  3. Racha Abi Melhem, MDDerby, CT1902471352
  4. Gerard Abidor, D.O.Bridgeport, CT1518014539
  5. Lilyan AbrahamFarmington, CT1447693254
  6. Richard Abraham, M.D.Canton, CT1023044252
  7. Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
  8. Kenneth Abriola, MDGlastonbury, CT1083693022
  9. Florentino Abueg, MDSouthbury, CT1649372558
  10. Nila Aburto, MDStamford, CT1396325718

Common questions

What is Karen Dalton, M.D.'s NPI number?

Karen Dalton, M.D.'s National Provider Identifier (NPI) is 1962757633, issued on Jul 19, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Karen Dalton, M.D. located?

The NPPES record lists a practice address at 1180 Newfield Ave, Stamford, CT, 06905. Phone: (314) 888-5233. Providers update this record themselves, so call before visiting.

How can I verify Karen Dalton, M.D.'s license?

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 Karen Dalton, M.D. prescribe under Medicare Part D?

In 2024, Karen Dalton, M.D. had 63 Medicare Part D claims for 14 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), 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.

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) 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 27, 2026.