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Dr. Mario J Orsini, D.O.

Diagnostic Radiology Physician in Grand Rapids, MI · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1942292792

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Registry record

Entity type Individual (Type 1)
Name Dr. Mario J Orsini
Credential D.O.
Sex Male
Practice address 200 Jefferson Ave Se, Grand Rapids, MI, 49503
Phone (616) 685-5907
Fax (616) 685-8993
Enumeration date Aug 18, 2005
Last updated in NPPES Nov 9, 2022

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 5101012639 (MI) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Mario Orsini?
The National Provider Identifier (NPI) for Mario Orsini is 1942292792, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mario Orsini practice?
The practice location on file with NPPES is in Grand Rapids, MI. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-11-09.