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

John M Leventhal, MD

Individual provider Pediatrics Physician · NPI 1801879622

John M Leventhal, MD is a Pediatrics Physician in New Haven, Connecticut. Licensed in Connecticut. Registered with an NPI since 2005.

Licensed in
CT
In the registry since
2005
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

789 Howard Ave Ynhh Bsmt
New Haven, CT 06519-1304
Phone: (203) 688-2468
Fax: (203) 688-7274
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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 020734 (CT)

Record details

NPI number1801879622
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 25, 2005
Last updated in NPPESFebruary 13, 2009

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