Doctor profile · Federal record

Dr. Robert Winiecki, M.D.

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

  • NPI 1215985155
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 Eisenhower Ln, Suite 700
Lisle, IL 605322125
(630) 964-1844
fax (630) 964-1977

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207R00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215985155. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
745
Distinct HCPCS
6
Medicare allowed
$84,908
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 266 134 $93
99214 Established patient office or other outpatient visit, 30-39 minutes 209 143 $132
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 203 203 $133
G0008 Administration of influenza virus vaccine 27 27 $32
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 25 25 $76
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment 15 15 $171

In context: peer comparison

Among 8 peers in this city , average services per provider: 85. This provider delivers 8.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,015
Patients
591
Total drug cost
$26,104
Drug Type Claims Patients Total cost
Losartan Potassium Generic 255 73 $3,333
Atorvastatin Calcium Generic 234 74 $2,691
Levothyroxine Sodium Generic 221 63 $3,547
Hydrochlorothiazide Generic 207 60 $684
Amlodipine Besylate Generic 169 46 $1,047
Metformin Hcl Generic 123 35 $1,057
Lisinopril Generic 120 34 $868
Simvastatin Generic 118 33 $1,457
Metoprolol Succinate Generic 99 27 $1,419
Enalapril Maleate Generic 95 23 $1,827

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Winiecki's medical specialty?
Dr. Robert Winiecki practices Internal Medicine Physician in Lisle, IL.
Where does Dr. Robert Winiecki practice?
Dr. Robert Winiecki practices at 1500 Eisenhower Ln, Lisle, IL 605322125. Office phone: 6309641844.
What is Dr. Robert Winiecki's NPI?
Dr. Robert Winiecki's National Provider Identifier (NPI) is 1215985155, issued by NPPES.
Does Dr. Robert Winiecki accept Medicare assignment?
Yes. Dr. Robert Winiecki accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Winiecki 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.