Doctor profile · Federal record

Dr. Gil Weiss, MD

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

  • NPI 1558441014
  • Accepts Medicare
  • MIPS 75.4 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
30 N Michigan Ave, Suite 607
Chicago, IL 606023402
(312) 726-3917
Mailing address
1849 W North Ave, Apt. #11
Chicago, IL 606221514

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
October 25, 2023
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
New York #237578

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558441014. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
81
Distinct HCPCS
2
Medicare allowed
$6,938
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 69 36 $93
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 12 12 $42

In context: peer comparison

Among 71 peers in this city , average services per provider: 37. This provider delivers 2.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$659
Transactions
24
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 5 $152.66
Organon Llc 3 $140.88
Hologic Sales and Service, LLC 5 $92.80
SHIELD THERAPEUTICS INC 1 $73.34
Astellas Pharma US Inc 2 $50.55
Exeltis, USA Inc. 2 $33.24
PFIZER INC. 1 $23.30
Agile Therapeutics, Inc. 1 $21.15
Biogen, Inc. 1 $18.20
Gynesonics, Inc. 1 $18.17
MAYNE PHARMA COMMERCIAL LLC 1 $17.77
Sumitomo Pharma America, Inc. 1 $17.09

By nature of payment

Food and Beverage
$659

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
48
Patients
0
Total drug cost
$3,682
Drug Type Claims Patients Total cost
Estradiol Generic 24 0 $3,230
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 13 0 $430
Sertraline Hcl Generic 11 0 $22

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gil Weiss's medical specialty?
Dr. Gil Weiss practices Obstetrics & Gynecology Physician in Chicago, IL.
Where does Dr. Gil Weiss practice?
Dr. Gil Weiss practices at 30 N Michigan Ave, Chicago, IL 606023402. Office phone: 3127263917.
What is Dr. Gil Weiss's NPI?
Dr. Gil Weiss's National Provider Identifier (NPI) is 1558441014, issued by NPPES.
Does Dr. Gil Weiss accept Medicare assignment?
Yes. Dr. Gil Weiss accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gil Weiss commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.