Doctor profile · Federal record

Dr. Jacek Wesolowski, APRN

Nurse Practitioner · Oak Lawn, IL

  • NPI 1770197758
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
4440 W 95Th St Ste 1128M
Oak Lawn, IL 604532600
(312) 609-0300
fax (708) 684-3070
Additional location
17800 Kedzie Ave Ste Amg
Hazel Crest, IL 604292029
fax (773) 213-0378
Additional location
1950 W Polk St
Chicago, IL 606123723
(312) 864-6000
Mailing address
29373 Network Pl
Chicago, IL 606731293

Credentials & registration

NPPES · NUCC
NPI registered
September 2020 — 6 yrs on file
Profile last updated
July 29, 2025
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Illinois #209021812

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770197758. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
157
Distinct HCPCS
2
Medicare allowed
$13,213
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 139 68 $87
99213 Established patient office or other outpatient visit, 20-29 minutes 18 14 $59

In context: peer comparison

Among 17 peers in this city , average services per provider: 125. This provider delivers 1.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
486
Patients
233
Total drug cost
$14,185
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 76 41 $1,933
Amlodipine Besylate Generic 48 21 $527
Hydrochlorothiazide Generic 47 20 $230
Metformin Hcl Generic 45 22 $489
Enalapril Maleate Generic 42 14 $1,294
Losartan Potassium Generic 34 18 $436
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 31 0 $3,803
Nifedipine Er (Nifedipine) Brand 24 12 $1,547
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 22 13 $1,168
Diclofenac Sodium Generic 21 12 $567

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jacek Wesolowski's medical specialty?
Dr. Jacek Wesolowski practices Nurse Practitioner in Oak Lawn, IL.
Where does Dr. Jacek Wesolowski practice?
Dr. Jacek Wesolowski practices at 4440 W 95Th St Ste 1128M, Oak Lawn, IL 604532600. Office phone: 3126090300.
What is Dr. Jacek Wesolowski's NPI?
Dr. Jacek Wesolowski's National Provider Identifier (NPI) is 1770197758, issued by NPPES.
Does Dr. Jacek Wesolowski accept Medicare assignment?
Yes. Dr. Jacek Wesolowski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jacek Wesolowski 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). Source: CMS Medicare Physician & Other Practitioners file.