Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Jenny Alyssa O'Brien, MD, PHD

Individual provider Internal Medicine Physician · NPI 1740849694

Dr. Jenny Alyssa O'Brien, MD, PHD is an Internal Medicine Physician in Philadelphia, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2019.

Licensed in
PA
In the registry since
2019
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

3322 N Broad St
Philadelphia, PA 19140-5185
Phone: (215) 707-1800
Fax: (215) 707-3644
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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 MD477641 (PA)

Record details

NPI number1740849694
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJune 12, 2019
Last updated in NPPESJune 23, 2026
Certification dateJune 23, 2026

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