DR. MARIO J ORSINI D.O.
NPI 1942292792
Radiology - Diagnostic Radiology in Grand Rapids, MI
About Dr. Mario J Orsini D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIO J ORSINI D.O. (NPI 1942292792) is an individual diagnostic radiology provider in Grand Rapids, Michigan, licensed in Michigan (5101012639) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and maintains a secondary practice location in Kalamazoo.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Mario J Orsini D.o. 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
5Medicare enrollment records show Mario Orsini reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 18 clinicians in this Medicare group
Kalamazoo, MI 49007
- Reassigned Medicare billing, Michigan enrollment
- 1,133 clinicians in this Medicare group
Battle Creek, MI 49017
- Reassigned Medicare billing, Michigan enrollment
- 557 clinicians in this Medicare group
South Haven, MI 49090
- Reassigned Medicare billing, Michigan enrollment
- 190 clinicians in this Medicare group
Paw Paw, MI 49079
- Reassigned Medicare billing, Michigan enrollment
- 251 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 53
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spectrum Health
Acute Care Hospitals · Grand Rapids, MIMercy Health Saint Mary's
Acute Care Hospitals · Grand Rapids, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49503 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.
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.
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
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 Mario Orsini's NPI number?
The NPI number for Mario Orsini is 1942292792. It was assigned to this individual provider in the NPPES registry on August 18, 2005.
Where is Mario Orsini located?
Mario Orsini practices at 200 Jefferson Ave SE, Grand Rapids, MI 49503. The listed phone number is (616) 685-5907.
What is Mario Orsini's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Mario Orsini enrolled in Medicare?
Yes. Mario Orsini 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 Mario Orsini's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mario Orsini reassigns Medicare benefits to 5 organizations: Kent Radiology PC (Grand Rapids, MI), Bronson Methodist Hospital (Kalamazoo, MI), Bronson Battle Creek Hospital (Battle Creek, MI), Bronson South Haven Hospital (South Haven, MI) and Bronson Lakeview Hospital (Paw Paw, MI). 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 Mario Orsini's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mario Orsini accept?
Health plans from Oscar Insurance Company and Priority Health list Mario Orsini 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 Mario Orsini affiliated with any hospitals?
According to CMS data, Mario Orsini is affiliated with Spectrum Health and Mercy Health Saint Mary's.
When was this NPI record last updated?
The NPPES record for Mario Orsini was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.