Doctor profile · Federal record

Dr. Mary McCormack, DO

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Hospitalist Physician · Crown Point, IN

  • NPI 1104939958
  • Accepts Medicare
  • 39 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
800 W Burrell Dr
Crown Point, IN 463078898
(219) 663-9913
fax (219) 663-9923
Additional location
12750 St Francis Dr
Crown Point, IN 463070264
(219) 757-6331
fax (219) 757-6481
Mailing address
Po Box 781076
Detroit, MI 482781076

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
March 7, 2025
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Indiana #02001585A
Medicaid
IN #200017580A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104939958. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$542
Transactions
24
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
SHIELD THERAPEUTICS INC 4 $108.00
Astellas Pharma US Inc 3 $86.62
ABBVIE INC. 3 $60.18
Exact Sciences Corporation 3 $60.05
Agile Therapeutics, Inc. 2 $49.17
PFIZER INC. 2 $45.04
Exeltis, USA Inc. 2 $43.05
MAYNE PHARMA COMMERCIAL LLC 2 $35.03
Hologic Sales and Service, LLC 2 $33.10
MILLICENT US INC 1 $22.08

By nature of payment

Food and Beverage
$542

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
67
Patients
0
Total drug cost
$8,941
Drug Type Claims Patients Total cost
Estradiol Generic 24 0 $2,668
Alendronate Sodium Generic 20 0 $227
Venlafaxine Hcl Er (Venlafaxine Hcl) Brand 12 0 $322
Premarin (Estrogens, Conjugated) Brand 11 0 $5,724

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary McCormack's medical specialty?
Dr. Mary McCormack practices Obstetrics & Gynecology Physician in Crown Point, IN.
Where does Dr. Mary McCormack practice?
Dr. Mary McCormack practices at 800 W Burrell Dr, Crown Point, IN 463078898. Office phone: 2196639913.
What is Dr. Mary McCormack's NPI?
Dr. Mary McCormack's National Provider Identifier (NPI) is 1104939958, issued by NPPES.
Does Dr. Mary McCormack accept Medicare assignment?
Yes. Dr. Mary McCormack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.