Marina Kloyzner, M.D.
Emergency Medicine Physician · Middletown, CT
Marina Kloyzner, M.D. is an emergency medicine physician with a practice address in Middletown, Connecticut, and NPI 1225394273, issued on Apr 4, 2012. Check the license (Connecticut 053933, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Marina Kloyzner
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 053933 CT
Self-reported in NPPES; status is on the state search - Practice location
- 45 Crescent Street, Middletown, CT 06457
- Phone
- (860) 358-6693
- Enumerated
- Apr 4, 2012
- Record last updated
- Oct 27, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151211002287); accepts Medicare assignment
- Medical or professional school
- Northeastern Ohio University College Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 846 in Connecticut → Look up another NPI →
Verify Marina Kloyzner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 053933Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average emergency medicine physician in 2024
175 Medicare Part D claims for 122 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 12 claims were for opioids.
Most prescribed
- Cephalexin43 claims
- Doxycycline Hyclate27 claims
- Prednisone13 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.
The MIPS final score for 2023 (Medicare payment program): 97.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Middlesex HospitalMiddletown, CT · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Marina Kloyzner among 846 emergency medicine physician records in Connecticut
Marina Kloyzner, M.D. is one of 846 emergency medicine physician records with a practice address in Connecticut. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 60% of them.
- NPI issued2012 · 60% of these records are older, 36% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2012 · median 2011 among the 574 with a school on file
- Record last updated2015 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 emergency medicine physician records list a practice address in Middletown
They are 28 of the 1,590 NPPES records with a practice address in Middletown, and 846 emergency medicine physician records in Connecticut.
All 846 in Connecticut → Every provider in Middletown → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- William Allen, M.D.Middletown, CT 064571821060369
- Mario Capuzzi, MDMiddletown, CT 064571598730905
- David Cosentino, MDMiddletown, CT 064571265407233
- Megan Cosentino, MDMiddletown, CT 064571609841675
- Janet Gordon, MDMiddletown, CT 064571396710711
- Mary Harkin, M.D.Middletown, CT 064571629040175
- John Kreider, MDMiddletown, CT 064571689649238
- John Lynch, MDMiddletown, CT 064571093780074
Common questions
What is Marina Kloyzner, M.D.'s NPI number?
Marina Kloyzner, M.D.'s National Provider Identifier (NPI) is 1225394273, issued on Apr 4, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Marina Kloyzner, M.D. located?
The NPPES record lists a practice address at 45 Crescent Street, Middletown, CT, 06457. Phone: (860) 358-6693. Providers update this record themselves, so call before visiting.
How can I verify Marina Kloyzner, M.D.'s license?
NPPES lists Connecticut license number 053933, 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 Marina Kloyzner, M.D. prescribe under Medicare Part D?
In 2024, Marina Kloyzner, M.D. had 175 Medicare Part D claims for 122 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Marina Kloyzner, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.