Doctor profile · Federal record
Dr. John Mirro, MD
Gastroenterology Physician (CMS: Gastroenterology) · Merrillville, IN
- NPI 1689678955
- Accepts Medicare
- 54 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
101 E 87Th Ave Ste 420
Merrillville, IN 464107335
(219) 758-5008
fax (219) 758-5009 - Additional location
-
7895 Grand Blvd
Hobart, IN 463426665 - Mailing address
-
7895 Grand Blvd
Hobart, IN 463426665
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- March 15, 2023
- Year of graduation
- 1972 — 54 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Indiana #01024382A
- Medicaid
- IN #100187310A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689678955. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
29
Distinct HCPCS
2
Medicare allowed
$5,567
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 18 | 18 | $168 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 11 | 11 | $232 |
In context: peer comparison
Among 2 peers in Merrillville Gastroenterology Physician, average services per provider: 54. This provider delivers 0.5× the peer median.Frequently asked questions
What is Dr. John Mirro's medical specialty?
Dr. John Mirro practices Gastroenterology Physician in Merrillville, IN.
Where does Dr. John Mirro practice?
Dr. John Mirro practices at 101 E 87Th Ave Ste 420, Merrillville, IN 464107335. Office phone: 2197585008.
What is Dr. John Mirro's NPI?
Dr. John Mirro's National Provider Identifier (NPI) is 1689678955, issued by NPPES.
Does Dr. John Mirro accept Medicare assignment?
Yes. Dr. John Mirro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Mirro commonly perform?
Top Medicare-reported procedures in 2023: Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk (HCPCS G0121); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.