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

John C Greenwood, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1215162334

John C Greenwood, MD is an Emergency Medicine in Philadelphia, Pennsylvania. Graduated from Jefferson Medical College of Thomas Jefferson University in 2009, 17 years ago. Practices with University of Penn-Medical Group, a 3,401-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
17
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
PA
In the registry since
2009
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

3400 Spruce St Ground Ravdin
Philadelphia, PA 19104-4238
Phone: (215) 662-6698
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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 MD454343 (PA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence MD454343 (PA)

Record details

NPI number1215162334
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 19, 2009
Last updated in NPPESOctober 17, 2019

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 2009 (17 years in practice)
Group practice University Of Penn-Medical Group — 3401 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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