Doctor profile · Federal record

Dr. Piotr Michaliszyn, MD

Internal Medicine Physician (CMS: Internal Medicine) · Elgin, IL

  • NPI 1093177024
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1425 N Randall RD # 2-1200
Elgin, IL 601232300
(224) 783-2525
fax (224) 783-2527

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
December 29, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036-148777

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093177024. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
707
Distinct HCPCS
5
Medicare allowed
$83,501
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 235 117 $120
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 162 90 $82
99239 Hospital discharge day management, more than 30 minutes 150 146 $117
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 124 117 $175
99497 Advance care planning, first 30 minutes 36 36 $78

In context: peer comparison

Among 20 peers in this city , average services per provider: 121. This provider delivers 5.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$407
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Esperion Therapeutics, Inc. 1 $131.86
Lilly USA, LLC 1 $121.83
Novo Nordisk Inc 1 $108.65
Boston Scientific Corporation 1 $28.54
Inari Medical, Inc. 1 $16.05

By nature of payment

Food and Beverage
$407

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
11
Total drug cost
$37
Drug Type Claims Patients Total cost
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 11 11 $37

Frequently asked questions

Auto-generated from federal data
What is Dr. Piotr Michaliszyn's medical specialty?
Dr. Piotr Michaliszyn practices Internal Medicine Physician in Elgin, IL.
Where does Dr. Piotr Michaliszyn practice?
Dr. Piotr Michaliszyn practices at 1425 N Randall RD # 2-1200, Elgin, IL 601232300. Office phone: 2247832525.
What is Dr. Piotr Michaliszyn's NPI?
Dr. Piotr Michaliszyn's National Provider Identifier (NPI) is 1093177024, issued by NPPES.
Does Dr. Piotr Michaliszyn accept Medicare assignment?
Yes. Dr. Piotr Michaliszyn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Piotr Michaliszyn commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.