John Mirro, MD
Gastroenterology Physician · Merrillville, IN
John Mirro, MD is a gastroenterology physician with a practice address in Merrillville, Indiana, and NPI 1689678955, issued on Jun 2, 2005. Check the license (Indiana 01024382A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- John Mirro
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 01024382A IN
Self-reported in NPPES; status is on the state search - Practice location
- 101 E 87TH Ave Ste 420, Merrillville, IN 46410
- Phone
- (219) 758-5008
- Enumerated
- Jun 2, 2005
- Record last updated
- Mar 15, 2023
- Fax
- (219) 758-5009
- Medicaid ID
- 100187310A IN
- Medicare enrollment
- Enrolled (PECOS I20070907000504); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1972
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 372 in Indiana → Look up another NPI →
Also registered at 101 E 87TH Ave Ste 420
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anastacia Mesina, PA-CMedical Physician Assistant1356933428
- Bryan Robins, MDSurgery Physician1023549938
Verify John Mirro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01024382ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average gastroenterology physician in 2024
15 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- The Methodist Hospitals IncMerrillville, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Mirro among 372 gastroenterology physician records in Indiana
John Mirro, MD is one of 372 gastroenterology physician records with a practice address in Indiana. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 83% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1972 · median 2001 among the 272 with a school on file
- Record last updated2023 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Indiana
There are 372 gastroenterology physician records in Indiana.
All 372 in Indiana → Every provider in Merrillville → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Muhammad Alsayid, M.D.Merrillville, IN 464101326356411
- Mark Fesenmyer, MDMerrillville, IN 464101992770390
- Rahul Julka, M.D.Merrillville, IN 464101235216425
- Ahmad Shughoury, MDMerrillville, IN 464101356343578
- Kumar Venkatachalam, MDMerrillville, IN 464101154325421
- Christine Bruno, MDValparaiso, IN 463831982770707
- Anish Chopra, MDValparaiso, IN 463831962616409
- Thomas Hall, M.D.Valparaiso, IN 463831568434959
Common questions
What is John Mirro, MD's NPI number?
John Mirro, MD's National Provider Identifier (NPI) is 1689678955, issued on Jun 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Mirro, MD located?
The NPPES record lists a practice address at 101 E 87TH Ave Ste 420, Merrillville, IN, 46410. Phone: (219) 758-5008. Providers update this record themselves, so call before visiting.
How can I verify John Mirro, MD's license?
NPPES lists Indiana license number 01024382A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Mirro, MD prescribe under Medicare Part D?
In 2024, John Mirro, MD had 15 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.