DR. JOHN MIRRO MD
NPI 1689678955
Internal Medicine - Gastroenterology in Merrillville, IN

Active since June 02, 2005PECOS EnrolledAccepts Medicare Assignment
101 E 87TH AVE STE 420, MERRILLVILLE, IN 46410(219) 758-5008(219) 758-5009 Get Directions Write a Review

NPPES record last updated: March 15, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John Mirro Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN MIRRO MD (NPI 1689678955) is an individual gastroenterology provider in Merrillville, Indiana, licensed in Indiana (01024382A) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Methodist Hospitals Inc, and maintains a secondary practice location in Hobart.

NPPES Registry Identity

NPI1689678955
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. JOHN MIRROCredential: MD
Location Address101 E 87TH AVE STE 420Merrillville, IN 46410-7335
Mailing Address7895 Grand BlvdHobart, IN 46342-6665 · (219) 947-1910 · Fax (219) 947-3117
Fax(219) 758-5009
Sole ProprietorNo
Medical School CMSIndiana University School Of MedicineGraduated 1972
Enumeration DateJune 2, 2005
Last NPPES UpdateMarch 15, 2023
NPPES CertifiedMarch 15, 2023
NPI 1689678955 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in IN · 01024382A
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
101 E 87TH AVE STE 420, Merrillville, IN 46410

Secondary Practice Location 1

Location 17895 Grand BlvdHobart, IN 46342-6665 · Phone (219) 758-5008 · Fax (219) 758-5009

Other Identifiers 4

Other110044492IN · Railroad Medicare
Medicaid100187310AIN
Other000000085025IN · Anthem Bc/bs
Other9115389IL · Anthem Bc/bs

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. John Mirro Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2365440377
PECOS Enrollment IDI20070907000504
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
23 services23 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
14 services14 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
13 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Methodist Hospitals Inc

Acute Care Hospitals · Gary, IN
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150002
Location600 Grant StGary, IN 46402 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46410 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Surgery
101 E 87TH AVE STE 420
MERRILLVILLE, IN 46410
Physician Assistant (Medical)
101 E 87TH AVE STE 420
MERRILLVILLE, IN 46410

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Mirro's NPI number?

The NPI number for John Mirro is 1689678955. It was assigned to this individual provider in the NPPES registry on June 2, 2005.

Where is John Mirro located?

John Mirro practices at 101 E 87th Ave Ste 420, Merrillville, IN 46410. The listed phone number is (219) 758-5008.

What is John Mirro's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is John Mirro enrolled in Medicare?

Yes. John Mirro is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Mirro accept?

Health plans from Anthem Blue Cross and Blue Shield and CareSource list John Mirro as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is John Mirro affiliated with any hospitals?

According to CMS data, John Mirro is affiliated with Methodist Hospitals Inc.

When was this NPI record last updated?

The NPPES record for John Mirro was last updated on March 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.