Doctor profile · Federal record

Dr. Iwona Lacka, M.D

Geriatric Medicine (Internal Medicine) Physician (CMS: Geriatric Medicine) · Student in an Organized Health Care Education/Training Program · Internal Medicine Physician · Norwalk, CT

  • NPI 1477868958
  • Accepts Medicare
  • MIPS 84.3 / 100 · 2023
  • 19 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
34 Maple St, Norwalk Hospital
Norwalk, CT 068503815
(203) 852-2025
Mailing address
40 Prospect Ave, Bld 1 Apt 2C
Norwalk, CT 068503737

Credentials & registration

NPPES · NUCC
NPI registered
August 2010 — 16 yrs on file
Profile last updated
July 22, 2014
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RG0300X — NUCC code
State licenses (2)
Connecticut #025631 · Connecticut #052631

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477868958. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
359
Distinct HCPCS
10
Medicare allowed
$47,117
HCPCS Description Services Patients Avg allowed
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 93 69 $134
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 82 45 $195
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 46 42 $80
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 31 31 $137
99344 Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes 23 23 $150
G0008 Administration of influenza virus vaccine 20 19 $33
90662 Influenza vaccine split virus, preservative free 19 19 $72
99442 Telephone medical discussion with physician, 11-20 minutes 17 15 $96
99347 Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes 14 13 $47
99495 Transitional care management services for problem of at least moderate complexity 14 13 $217

In context: peer comparison

Among 1 peers in this city , average services per provider: 35. This provider delivers 10× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,412
Patients
344
Total drug cost
$97,381
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 201 38 $2,817
Trazodone Hcl Generic 159 39 $2,009
Amlodipine Besylate Generic 146 33 $924
Atorvastatin Calcium Generic 124 35 $1,728
Eliquis (Apixaban) Brand 122 23 $81,057
Furosemide Generic 105 31 $545
Gabapentin Generic 69 16 $949
Metoprolol Tartrate Generic 68 13 $606
Tamsulosin Hcl Generic 66 19 $1,132
Escitalopram Oxalate Generic 64 20 $1,058

Frequently asked questions

Auto-generated from federal data
What is Dr. Iwona Lacka's medical specialty?
Dr. Iwona Lacka practices Geriatric Medicine (Internal Medicine) Physician in Norwalk, CT.
Where does Dr. Iwona Lacka practice?
Dr. Iwona Lacka practices at 34 Maple St, Norwalk, CT 068503815. Office phone: 2038522025.
What is Dr. Iwona Lacka's NPI?
Dr. Iwona Lacka's National Provider Identifier (NPI) is 1477868958, issued by NPPES.
Does Dr. Iwona Lacka accept Medicare assignment?
Yes. Dr. Iwona Lacka accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Iwona Lacka commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with moderate level of medical decision making (HCPCS 99349); Residence visit for established patient with high level of medical decision making (HCPCS 99350); Residence visit for established patient with low level of medical decision making (HCPCS 99348). Source: CMS Medicare Physician & Other Practitioners file.