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

Dr. Annette D. O'Neil, MD

Individual provider Internal Medicine Physician · NPI 1295719474

Dr. Annette D. O'Neil, MD is an Internal Medicine Physician in Norristown, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2005.

Licensed in
PA
In the registry since
2005
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

1401 Dekalb St
Norristown, PA 19401-3405
Phone: (610) 278-7787
Fax: (610) 278-7386
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD040618E (PA)

Record details

NPI number1295719474
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 1, 2005
Last updated in NPPESSeptember 2, 2021
Certification dateSeptember 2, 2021

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