Registry data as of Aug 27, 2026

Nina Karol, M.D.

Internal Medicine Physician · Westport, CT

Nina Karol, M.D. is an internal medicine physician with a practice address in Westport, Connecticut, and NPI 1548286818, issued on Jul 13, 2006. Check the license (Connecticut 035956, 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
1548286818
Name
Nina Karol
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
035956 CT
224111 MA
Self-reported in NPPES; status is on the state search
Practice location
333 Post Road West, Westport, CT 06880
Phone
(203) 571-3000
Enumerated
Jul 13, 2006
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.
Download card Updates feed

Also registered at 333 Post Road West

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

  1. Robert Altbaum, M.D.Internal Medicine Physician1285736124
  2. David Baum, M.D.Internal Medicine Physician1437175486
  3. Jill Denowitz, M.D.Internal Medicine Physician1215013941
  4. Robert Teltser, M.D.Internal Medicine Physician1821291675

Verify Nina Karol in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 035956
    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.

52% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,333 Medicare Part D claims for 126 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 47 claims were for opioids.

  1. Nina Karol1,333
  2. Specialty average2,785

Most prescribed

  1. Levothyroxine Sodium102 claims
  2. Rosuvastatin Calcium96 claims
  3. Atorvastatin Calcium93 claims
  4. Ozempic46 claims
  5. Tramadol Hcl44 claims
  6. Escitalopram Oxalate43 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: $136.03

6 payments, mostly food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. 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. Nina Karol$136.03
  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.

2 hospital and facility affiliations

  1. Primary Care OF Westport LLCWestport, CT
  2. Rehabilitation Associates IncFairfield, 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.

20 internal medicine physician records list a Westport practice address

They are 20 of the 886 NPPES records with a Westport 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 Nina Karol, M.D.'s NPI number?

Nina Karol, M.D.'s National Provider Identifier (NPI) is 1548286818, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nina Karol, M.D. located?

The NPPES record lists a practice address at 333 Post Road West, Westport, CT, 06880. Phone: (203) 571-3000. Providers update this record themselves, so call before visiting.

How can I verify Nina Karol, M.D.'s license?

NPPES lists Connecticut license number 035956, 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 Nina Karol, M.D. prescribe under Medicare Part D?

In 2024, Nina Karol, M.D. had 1,333 Medicare Part D claims for 126 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.