Doctor profile · Federal record

Dr. Agata Jaskiewicz-Poznanska, M.D.

Family Medicine Physician (CMS: Family Practice) · Southbury, CT

  • NPI 1114148558
  • Accepts Medicare
  • MIPS 89.1 / 100 · 2023
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
22 Old Waterbury RD
Southbury, CT 064883848
(203) 262-4200
Mailing address
1104 Woodland Hills Dr
Trumbull, CT 066116365

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
April 6, 2011
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Connecticut #049047

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114148558. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,840
Distinct HCPCS
10
Medicare allowed
$194,962
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 651 338 $136
99213 Established patient office or other outpatient visit, 20-29 minutes 336 241 $97
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 196 196 $139
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 69 56 $56
G0008 Administration of influenza virus vaccine 67 67 $33
81003 Automated urinalysis test 63 55 $2
90662 Influenza vaccine split virus, preservative free 62 62 $72
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 61 54 $15
69209 Removal of impacted ear wax by washing 54 49 $18
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 36 36 $282

In context: peer comparison

Among 2 peers in this city , average services per provider: 73. This provider delivers 25× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,155
Patients
1,167
Total drug cost
$68,895
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 573 155 $4,477
Atorvastatin Calcium Generic 479 141 $6,303
Rosuvastatin Calcium Generic 442 118 $10,824
Levothyroxine Sodium Generic 415 113 $6,779
Lisinopril Generic 283 89 $2,390
Metoprolol Succinate Generic 277 53 $5,312
Losartan Potassium Generic 257 62 $3,221
Gabapentin Generic 250 53 $2,718
Sertraline Hcl Generic 203 62 $2,307
Hydrochlorothiazide Generic 201 63 $854

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Agata Jaskiewicz-Poznanska's medical specialty?
Dr. Agata Jaskiewicz-Poznanska practices Family Medicine Physician in Southbury, CT.
Where does Dr. Agata Jaskiewicz-Poznanska practice?
Dr. Agata Jaskiewicz-Poznanska practices at 22 Old Waterbury RD, Southbury, CT 064883848. Office phone: 2032624200.
What is Dr. Agata Jaskiewicz-Poznanska's NPI?
Dr. Agata Jaskiewicz-Poznanska's National Provider Identifier (NPI) is 1114148558, issued by NPPES.
Does Dr. Agata Jaskiewicz-Poznanska accept Medicare assignment?
Yes. Dr. Agata Jaskiewicz-Poznanska accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Agata Jaskiewicz-Poznanska commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.