Doctor profile · Federal record

Dr. John Zaborowski, MD

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

  • NPI 1649386335
  • Accepts Medicare
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3015 17 N Milwaukee Ave, Physicians Care Center
Chicago, IL 60618
(773) 278-6050
fax (773) 278-4843
Mailing address
3015 N Milwaukee Ave
Chicago, IL 606186612

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
April 22, 2010
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036067925
Medicaid
IL #036067925

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649386335. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
280
Distinct HCPCS
4
Medicare allowed
$26,134
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 200 56 $95
99214 Established patient office or other outpatient visit, 30-39 minutes 29 22 $134
36415 Insertion of needle into vein for collection of blood sample 28 22 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 23 23 $134

In context: peer comparison

Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 1.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
432
Patients
110
Total drug cost
$9,986
Drug Type Claims Patients Total cost
Lisinopril Generic 62 22 $968
Metformin Hcl Generic 52 20 $739
Paroxetine Hcl Generic 34 0 $349
Naproxen Generic 33 18 $577
Simvastatin Generic 31 12 $571
Amlodipine Besylate Generic 30 14 $602
Atorvastatin Calcium Generic 26 0 $488
Metoprolol Tartrate Generic 26 11 $542
Losartan Potassium Generic 25 0 $312
Gabapentin Generic 22 0 $1,762

Frequently asked questions

Auto-generated from federal data
What is Dr. John Zaborowski's medical specialty?
Dr. John Zaborowski practices Internal Medicine Physician in Chicago, IL.
Where does Dr. John Zaborowski practice?
Dr. John Zaborowski practices at 3015 17 N Milwaukee Ave, Chicago, IL 60618. Office phone: 7732786050.
What is Dr. John Zaborowski's NPI?
Dr. John Zaborowski's National Provider Identifier (NPI) is 1649386335, issued by NPPES.
Does Dr. John Zaborowski accept Medicare assignment?
Yes. Dr. John Zaborowski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Zaborowski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.