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

Margaret O'Brien, MD

Individual provider Dermatology Physician · NPI 1639871080

Margaret O'Brien, MD is a Dermatology Physician in Philadelphia, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2023
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

3401 N Broad St Fl B5
Philadelphia, PA 19140-5189
Phone: (215) 707-3376
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence MT229719 (PA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1639871080
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 20, 2023
Last updated in NPPESJuly 9, 2024
Certification dateJuly 9, 2024

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