Doctor profile · Federal record

Dr. Lillian Montgomery, DO

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Student in an Organized Health Care Education/Training Program · Chicago, IL

  • NPI 1255893871
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2900 N Lake Shore Dr
Chicago, IL 606575640
(773) 665-3132

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
August 17, 2023
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Illinois #036165421

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255893871. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$312
Transactions
15
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Hologic Sales and Service, LLC 4 $100.28
Merck Sharp & Dohme LLC 4 $78.47
Mayne Pharma Commercial LLC 2 $35.93
Amgen INC. 1 $25.55
Exeltis, USA INC. 1 $19.54
Medline Industries Lp 1 $18.20
CooperSurgical, INC. 1 $17.50
Organon LLC 1 $16.84

By nature of payment

Food and Beverage
$312

Frequently asked questions

Auto-generated from federal data
What is Dr. Lillian Montgomery's medical specialty?
Dr. Lillian Montgomery practices Obstetrics & Gynecology Physician in Chicago, IL.
Where does Dr. Lillian Montgomery practice?
Dr. Lillian Montgomery practices at 2900 N Lake Shore Dr, Chicago, IL 606575640. Office phone: 7736653132.
What is Dr. Lillian Montgomery's NPI?
Dr. Lillian Montgomery's National Provider Identifier (NPI) is 1255893871, issued by NPPES.
Does Dr. Lillian Montgomery accept Medicare assignment?
Yes. Dr. Lillian Montgomery accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.