MARIO O BELLEDONNE PA
NPI 1477855823
Internal Medicine in Potomac, MD

Active since November 17, 2010
8200 TUCKERMAN LN, POTOMAC, MD 20854(301) 605-7878(301) 605-7878 Get Directions Write a Review

NPPES record last updated: May 12, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mario O Belledonne Pa NPPES

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

MARIO O BELLEDONNE PA (NPI 1477855823) is a healthcare organization registered as an internal medicine in Potomac, Maryland and active in the NPI registry since November 2010. The organization lists Mario O Belledonne, President, as its authorized official.

NPPES Registry Identity

NPI1477855823
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMARIO O BELLEDONNE PA
Location Address8200 TUCKERMAN LNPotomac, MD 20854-3744
Mailing Address8200 Tuckerman LnPotomac, MD 20854-3744 · (301) 605-7878 · Fax (301) 605-7878
Fax(301) 605-7878
Organization SubpartNo
Authorized OfficialMario O BelledonnePresident · (301) 605-7878
Enumeration DateNovember 17, 2010
Last NPPES UpdateMay 12, 2021
NPPES CertifiedMay 12, 2021
✔ NPI 1477855823 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MD · D-23177
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License D-23177 (MD)
Also ListedInternal Medicine · NephrologyTaxonomy 207RN0300X · License D-23177 (MD)
8200 TUCKERMAN LN, Potomac, MD 20854

Other Identifiers 8

Other379065MD · Mamsi
Other127742MD · Jhmsc Tricare
Other4050855MD · Aetna
Medicaid323311100MD
Other272698MD · Tricare
Other6009-0001MD · Carefirst Bc/bs
Other837442MD · Uhc
Other1020192MD · Cigna

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mario O Belledonne Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Mario O Belledonne PA, which bills Medicare for the services this clinician delivers.

Clinician (1)

Internal Medicine
NPI 1033129457
8200 TUCKERMAN LN
Potomac, MD 20854
(301) 605-7878
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 O Belledonne PA's NPI number?

The NPI number for Mario O Belledonne PA is 1477855823. It was assigned to this organization in the NPPES registry on November 17, 2010.

Where is Mario O Belledonne PA located?

Mario O Belledonne PA is located at 8200 Tuckerman Ln, Potomac, MD 20854. The listed phone number is (301) 605-7878.

What is Mario O Belledonne PA's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mario O Belledonne PA enrolled in Medicare?

Yes. Mario O Belledonne PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mario O Belledonne PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Mario O Belledonne PA. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Mario O Belledonne PA was last updated on May 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.