DR. GREGORY P. MCCOMIS M.D.
NPI 1104823848
Orthopaedic Surgery in Schererville, IN
About Dr. Gregory P. Mccomis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY P. MCCOMIS M.D. (NPI 1104823848) is an individual orthopaedic surgery provider in Schererville, Indiana, licensed in Indiana (01038746A) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with St Catherine Hospital Inc, and is a graduate of Georgetown University School Of Medicine (1989).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Gregory P. Mccomis M.d. 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.
Medicare Billing Reassignments
2Medicare enrollment records show Gregory Mccomis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
St John, IN 46373
- Reassigned Medicare billing, Indiana enrollment
- 607 clinicians in this Medicare group
Munster, IN 46321
- Reassigned Medicare billing, Indiana enrollment
- 18 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 35
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Catherine Hospital Inc
Acute Care Hospitals · East Chicago, INSt Mary Medical Center Inc
Acute Care Hospitals · Hobart, INFranciscan Health Dyer
Acute Care Hospitals · Dyer, INCommunity Hospital
Acute Care Hospitals · Munster, INFranciscan Health Munster
Acute Care Hospitals · Munster, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46375 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Gregory Mccomis's NPI number?
The NPI number for Gregory Mccomis is 1104823848. It was assigned to this individual provider in the NPPES registry on July 7, 2005.
Where is Gregory Mccomis located?
Gregory Mccomis practices at 1545 W Us Highway 30, Schererville, IN 46375. The listed phone number is (219) 703-2440.
What is Gregory Mccomis's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Gregory Mccomis enrolled in Medicare?
Yes. Gregory Mccomis 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.
Which organizations bill Medicare for Gregory Mccomis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Mccomis reassigns Medicare benefits to 2 organizations: Community Care Network Inc (St John, IN) and North Point Orthopedics LLC (Munster, IN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gregory Mccomis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Mccomis accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Gregory Mccomis 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 Gregory Mccomis affiliated with any hospitals?
According to CMS data, Gregory Mccomis is affiliated with St Catherine Hospital Inc, St Mary Medical Center Inc, Franciscan Health Dyer, Community Hospital and Franciscan Health Munster.
When was this NPI record last updated?
The NPPES record for Gregory Mccomis was last updated on December 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.