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

Dr. Mary Teresa Maloney O'Donnell, MD

Individual provider Colon & Rectal Surgery Physician · NPI 1891016135

Dr. Mary Teresa Maloney O'Donnell, MD is a Colon & Rectal Surgery Physician in Bethesda, Maryland. Licensed in Virginia. Registered with an NPI since 2010.

Licensed in
VA
In the registry since
2010
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

Department Of General Surgery 8901 Rockville Pike
Bethesda, MD 20889-0001
Phone: (013) 295-2420
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence 0101251302 (VA)

Record details

NPI number1891016135
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 22, 2010
Last updated in NPPESMarch 26, 2024
Certification dateMarch 26, 2024

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