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

Mary D Davis, DO

Individual provider Emergency Medicine Physician · NPI 1285658286

Mary D Davis, DO is an Emergency Medicine Physician in Butler, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

911 E Brady St Emergency Medicine
Butler, PA 16001-4646
Phone: (724) 284-4550
Fax: (724) 281-4032
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence OS012969 (PA)

Record details

NPI number1285658286
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 26, 2006
Last updated in NPPESJuly 8, 2007
Mailing address5930 Hamilton Blvd, Suite 101, Wescosville, PA 18106-9654

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