NPPES file of Aug 9, 2026

Karl Alexander Markuszka, M.D.

Emergency Medicine Physician · Hartford, CT

Karl Alexander Markuszka, M.D. is an emergency medicine physician with a practice address in Hartford, Connecticut, and NPI 1336356294, issued on May 17, 2007. Check the license (Connecticut 32592, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336356294
Name
Karl Alexander Markuszka
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
32592 CT
032592 CT
Self-reported in NPPES; status is on the state search
Practice location
114 Woodland St, Hartford, CT 06105
Phone
(860) 714-4001
Enumerated
May 17, 2007
Record last updated
Sep 2, 2022
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 114 Woodland St

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

  1. Carol Abbatiello, D.O.Emergency Medicine Physician1275579732
  2. Jonathan Abrams, MDAnesthesiology Physician1528010337
  3. Louisa Acca, PA-CPhysician Assistant1679265458
  4. Asad Akbar, DPMPodiatrist1851978258
  5. Yahya Al-Mezrakchi, MDHospitalist Physician1932594603
  6. Nicole Alex, APRNNurse Practitioner1497424527

Verify Karl Alexander Markuszka in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 32592
    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

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59% fewer Medicare Part D claims than the average emergency medicine physician in 2024

93 Medicare Part D claims for 68 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 21 claims were for opioids.

  1. Karl Markuszka93
  2. Specialty average226

Most prescribed

  1. Oxycodone-Acetaminophen11 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: $20.00

1 payment: education; the largest payer was Csl Behring. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karl Markuszka$20.00
  2. Specialty average$953.79

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

119 emergency medicine physician records list a practice address in Hartford

They are 119 of the 6,317 NPPES records with a practice address in Hartford, and 846 emergency medicine physician records in Connecticut.

Other emergency medicine physician records in Connecticut

  1. Carol Abbatiello, D.O.Hartford, CT1275579732
  2. Lincoln Abbott, MDHartford, CT1518965433
  3. Wayne Abrahams, MDWaterbury, CT1508886227
  4. Theresa Adams, M.D.New London, CT1457678138
  5. Irini Agaraj, MDNew Haven, CT1184208431
  6. Doreen Agboh, MDNew Haven, CT1275153868
  7. Ronald Agnes, M.D.Simsbury, CT1548399728
  8. Julius Patrick Aguas, DOHartford, CT1245736321
  9. Saeed Ahghari, MDEast Hartford, CT1427140862
  10. Teresa Allen, M.D.Putnam, CT1720047921

Common questions

What is Karl Alexander Markuszka, M.D.'s NPI number?

Karl Alexander Markuszka, M.D.'s National Provider Identifier (NPI) is 1336356294, issued on May 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Karl Alexander Markuszka, M.D. located?

The NPPES record lists a practice address at 114 Woodland St, Hartford, CT, 06105. Phone: (860) 714-4001. Providers update this record themselves, so call before visiting.

How can I verify Karl Alexander Markuszka, M.D.'s license?

NPPES lists Connecticut license number 32592, 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 Karl Alexander Markuszka, M.D. prescribe under Medicare Part D?

In 2024, Karl Alexander Markuszka, M.D. had 93 Medicare Part D claims for 68 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.