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

Katherine L Nathanson, MD

Individual provider Internal Medicine Physician · NPI 1841226024

Katherine L Nathanson, MD is a Pediatric Medicine in Philadelphia, Pennsylvania. Graduated from Perelman School of Med at the University of Pennsylvania in 1993, 33 years ago. Practices with University of Penn-Medical Group, a 3,401-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
33
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
PA
In the registry since
2006
Specialties on file
3
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

3400 Civic Center Blvd 1st Fl Ste 300 S
Philadelphia, PA 19104-4306
Phone: (215) 662-4740
Fax: (215) 614-0298
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Genetics (M.D.) Physician (primary) Taxonomy 207SG0201X · Licence MD059456L (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD059456L (PA)
Pediatrics Physician Taxonomy 208000000X · Licence MD059456L (PA)

Record details

NPI number1841226024
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 23, 2006
Last updated in NPPESOctober 29, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 1993 (33 years in practice)
Group practice University Of Penn-Medical Group — 3401 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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