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

Dr. Nathaniel David O'Leary, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1336726108

Dr. Nathaniel David O'Leary, MD is a Student in an Organized Health Care Education/Training Program in Washington, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2021.

Licensed in
PA
In the registry since
2021
Specialties on file
2
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

95 Leonard Ave Ste 200
Washington, PA 15301-3368
Phone: (724) 223-3100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 484527 (PA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1336726108
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 26, 2021
Last updated in NPPESApril 22, 2024
Certification dateApril 22, 2024

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