Doctor profile · Federal record

Dr. Marina Kloyzner, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Middletown, CT

  • NPI 1225394273
  • Accepts Medicare
  • MIPS 90.8 / 100 · 2023
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
45 Crescent Street, Middlesex Hospital Department of Emergency Medicine
Middletown, CT 06457
(860) 358-6693

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
October 27, 2015
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Connecticut #053933

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225394273. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
242
Distinct HCPCS
4
Medicare allowed
$37,326
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 109 108 $183
99284 Emergency department visit with moderate level of medical decision making 70 68 $126
99283 Emergency department visit with low level of medical decision making 37 37 $75
99291 Critical care, first 30-74 minutes 26 26 $223

In context: peer comparison

Among 9 peers in this city , average services per provider: 54. This provider delivers 4.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
85
Patients
83
Total drug cost
$794
Drug Type Claims Patients Total cost
Doxycycline Hyclate Generic 30 30 $348
Cephalexin Generic 26 26 $285
Prednisone Generic 16 15 $46
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 12 $115

Frequently asked questions

Auto-generated from federal data
What is Dr. Marina Kloyzner's medical specialty?
Dr. Marina Kloyzner practices Emergency Medicine Physician in Middletown, CT.
Where does Dr. Marina Kloyzner practice?
Dr. Marina Kloyzner practices at 45 Crescent Street, Middletown, CT 06457. Office phone: 8603586693.
What is Dr. Marina Kloyzner's NPI?
Dr. Marina Kloyzner's National Provider Identifier (NPI) is 1225394273, issued by NPPES.
Does Dr. Marina Kloyzner accept Medicare assignment?
Yes. Dr. Marina Kloyzner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marina Kloyzner commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.