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

Individual provider Pediatrics Physician · NPI 1275557787

John M Maris, MD is a Pediatrics Physician in Philadelphia, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
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 Civic Center Blvd Children's Hospital Of Philadelphia - Hem/onc
Philadelphia, PA 19104-4319
Phone: (215) 590-3535
Fax: (215) 590-3992
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence MD044988L (PA)
Pediatrics Physician Taxonomy 208000000X · Licence MD044988L (PA)

Record details

NPI number1275557787
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 27, 2006
Last updated in NPPESApril 15, 2013

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