Doctor profile · Federal record

Dr. Margaret Lheureux, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Obstetrics & Gynecology Physician · Chicago, IL

  • NPI 1801152103
  • Accepts Medicare
  • 14 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
680 N Lake Shore Dr Ste 824
Chicago, IL 606118702
(312) 943-3300
fax (312) 266-4591
Mailing address
680 N. Lake Shore Drive, Suite 824
Chicago, IL 60611

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
February 10, 2025
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207V00000X — NUCC code
State licenses (2)
Illinois #036140525 · Pennsylvania #MT-201683

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801152103. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
118
Distinct HCPCS
3
Medicare allowed
$6,333
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 51 45 $94
96127 Assessment of emotional or behavioral problems 35 35 $5
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 32 32 $42

In context: peer comparison

Among 71 peers in this city , average services per provider: 37. This provider delivers 3.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$150
Transactions
7
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 2 $39.29
Astellas Pharma US Inc 1 $28.02
MAYNE PHARMA COMMERCIAL LLC 1 $26.89
CooperSurgical, Inc. 1 $22.58
Organon Llc 1 $16.74
ABBVIE INC. 1 $16.12

By nature of payment

Food and Beverage
$150

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
25
Patients
13
Total drug cost
$4,513
Drug Type Claims Patients Total cost
Estradiol Generic 25 13 $4,513

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Lheureux's medical specialty?
Dr. Margaret Lheureux practices Obstetrics & Gynecology Physician in Chicago, IL.
Where does Dr. Margaret Lheureux practice?
Dr. Margaret Lheureux practices at 680 N Lake Shore Dr Ste 824, Chicago, IL 606118702. Office phone: 3129433300.
What is Dr. Margaret Lheureux's NPI?
Dr. Margaret Lheureux's National Provider Identifier (NPI) is 1801152103, issued by NPPES.
Does Dr. Margaret Lheureux accept Medicare assignment?
Yes. Dr. Margaret Lheureux accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Lheureux commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Assessment of emotional or behavioral problems (HCPCS 96127); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.