Doctor profile · Federal record

Dr. Martin Kwiatkowski, MD

Internal Medicine Physician (CMS: Hospitalist) · Chicago, IL

  • NPI 1265919567
  • Accepts Medicare
  • MIPS 82.3 / 100 · 2023
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4646 N Marine Dr
Chicago, IL 606405759
(773) 564-5235

Credentials & registration

NPPES · NUCC
NPI registered
July 2018 — 8 yrs on file
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #125.072439

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265919567. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
624
Distinct HCPCS
4
Medicare allowed
$72,393
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 382 162 $114
99239 Hospital discharge day management, more than 30 minutes 135 123 $110
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 66 60 $166
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 41 39 $76

In context: peer comparison

Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 3.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
67
Patients
43
Total drug cost
$381
Drug Type Claims Patients Total cost
Prednisone Generic 17 17 $44
Cefuroxime (Cefuroxime Axetil) Brand 15 15 $93
Amlodipine Besylate Generic 12 0 $71
Cefdinir Generic 12 11 $91
Furosemide Generic 11 0 $81

Frequently asked questions

Auto-generated from federal data
What is Dr. Martin Kwiatkowski's medical specialty?
Dr. Martin Kwiatkowski practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Martin Kwiatkowski practice?
Dr. Martin Kwiatkowski practices at 4646 N Marine Dr, Chicago, IL 606405759. Office phone: 7735645235.
What is Dr. Martin Kwiatkowski's NPI?
Dr. Martin Kwiatkowski's National Provider Identifier (NPI) is 1265919567, issued by NPPES.
Does Dr. Martin Kwiatkowski accept Medicare assignment?
Yes. Dr. Martin Kwiatkowski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Martin Kwiatkowski commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.