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Mario O Belledonne PA

Internal Medicine Physician in Potomac, MD · enumerated 2010 · authorized official Mario Belledonne, President.

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

National Provider Identifier

1477855823

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Registry record

Entity type Organization (Type 2)
Legal business name Mario O Belledonne PA
Practice address 8200 Tuckerman Ln, Potomac, MD, 20854
Phone (301) 605-7878
Fax (301) 605-7878
Enumeration date Nov 17, 2010
Last updated in NPPES May 12, 2021

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License D-23177 (MD) Primary
207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License D-23177 (MD) Secondary
207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License D-23177 (MD) Secondary

Authorized official

Name Mario Belledonne
Title President
Phone (301) 605-7878

Other identifiers

Identifier Type State Issuer
6009-0001 Other MD CAREFIRST BC/BS
4050855 Other MD AETNA
272698 Other MD TRICARE
323311100 Medicaid MD -
1020192 Other MD CIGNA
127742 Other MD JHMSC TRICARE
379065 Other MD MAMSI
837442 Other MD UHC

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 type of organization is Mario O Belledonne PA?
Mario O Belledonne PA is registered in NPPES as a Internal Medicine Physician (its primary provider taxonomy).
What is a Type 2 NPI?
A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-12.