Doctor profile · Federal record

Dr. Omar Oliveros, M.D.

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

  • NPI 1538542337
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4417 W Diversey Ave
Chicago, IL 606391923
(773) 377-7736
Additional location
7000 Cermak RD
Berwyn, IL 604022112
(708) 484-8090
Mailing address
Po Box 746715
Atlanta, GA 303746715

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
September 16, 2025
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036146049

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538542337. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,196
Transactions
66
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 13 $623.26
Boehringer Ingelheim Pharmaceuticals, INC. 15 $380.85
Bayer Healthcare Pharmaceuticals INC. 7 $234.52
Novo Nordisk INC 7 $201.72
Lilly USA, LLC 5 $178.05
Corcept Therapeutics 3 $142.63
Aimmune Therapeutics, INC. 1 $123.57
Abbvie INC. 4 $94.46
GlaxoSmithKline, LLC. 2 $63.45
Exact Sciences Corporation 2 $48.21
Amgen INC. 2 $30.44
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 2 $28.18
Pfizer INC. 1 $17.66
Sumitomo Pharma America, INC. 1 $15.19
Novartis Pharmaceuticals Corporation 1 $13.65

By nature of payment

Food and Beverage
$2,196

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,915
Patients
1,138
Total drug cost
$294,353
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 458 185 $9,145
Losartan Potassium Generic 279 106 $4,448
Metformin Hcl Generic 248 92 $3,510
Amlodipine Besylate Generic 228 92 $3,665
Rosuvastatin Calcium Generic 224 89 $8,610
Levothyroxine Sodium Generic 192 68 $3,690
Hydrochlorothiazide Generic 180 81 $932
Gabapentin Generic 179 79 $5,765
Metoprolol Succinate Generic 166 63 $3,945
Ezetimibe Generic 148 58 $7,144

Frequently asked questions

Auto-generated from federal data
What is Dr. Omar Oliveros's medical specialty?
Dr. Omar Oliveros practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Omar Oliveros practice?
Dr. Omar Oliveros practices at 4417 W Diversey Ave, Chicago, IL 606391923. Office phone: 7733777736.
What is Dr. Omar Oliveros's NPI?
Dr. Omar Oliveros's National Provider Identifier (NPI) is 1538542337, issued by NPPES.
Does Dr. Omar Oliveros accept Medicare assignment?
Yes. Dr. Omar Oliveros accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.