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

Individual provider Pediatrics Physician · NPI 1881217438

Dr. Jonathan Knowlton, MD, PHD is a Pediatrics Physician in Philadelphia, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2020.

Licensed in
PA
In the registry since
2020
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

3401 Civic Center Blvd
Philadelphia, PA 19104-4319
Phone: (215) 590-1220
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence MT219927 (PA)

Record details

NPI number1881217438
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMay 18, 2020
Last updated in NPPESMay 18, 2020
Certification dateMay 18, 2020

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