Doctor profile · Federal record

Dr. Gregory Winstead, MD, MPH

Family Medicine Physician (CMS: Family Practice) · Chicago, IL

  • NPI 1134242159
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1701 W Monterey Ave
Chicago, IL 606434257
(773) 233-5850
fax (773) 233-5853
Mailing address
9718 S Halsted St
Chicago, IL 606281007

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
March 19, 2013
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Illinois #036115639

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134242159. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$305
Transactions
10
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
ViiV Healthcare Company 5 $168.95
Merck Sharp & Dohme LLC 3 $69.53
VERTEX PHARMACEUTICALS INCORPORATED 1 $45.00
Indivior Inc. 1 $21.71

By nature of payment

Food and Beverage
$305

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
33
Patients
0
Total drug cost
$89,779
Drug Type Claims Patients Total cost
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 11 0 $46,105
Potassium Chloride Generic 11 0 $704
Triumeq (Abacavir/Dolutegravir/Lamivudi) Brand 11 0 $42,970

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Winstead's medical specialty?
Dr. Gregory Winstead practices Family Medicine Physician in Chicago, IL.
Where does Dr. Gregory Winstead practice?
Dr. Gregory Winstead practices at 1701 W Monterey Ave, Chicago, IL 606434257. Office phone: 7732335850.
What is Dr. Gregory Winstead's NPI?
Dr. Gregory Winstead's National Provider Identifier (NPI) is 1134242159, issued by NPPES.
Does Dr. Gregory Winstead accept Medicare assignment?
Yes. Dr. Gregory Winstead accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.