Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mario O Belledonne PA

Organization Internal Medicine Physician · NPI 1477855823

Mario O Belledonne PA is an Internal Medicine Physician in Potomac, Maryland. Licensed in Maryland. Registered with an NPI since 2010.

Licensed in
MD
In the registry since
2010
Specialties on file
3
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

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Practice location Address checks out

8200 Tuckerman Ln
Potomac, MD 20854-3744
Phone: (301) 605-7878
Fax: (301) 605-7878
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D-23177 (MD)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence D-23177 (MD)
Nephrology Physician Taxonomy 207RN0300X · Licence D-23177 (MD)

Record details

NPI number1477855823
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mario Belledonne — President · (301) 605-7878
NPI enumeratedNovember 17, 2010
Last updated in NPPESMay 12, 2021
Certification dateMay 12, 2021
Mailing address8200 Tuckerman Ln, Potomac, MD 20854-3744

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