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

Dr. Mitchell Kleinberg, MD

Individual provider Pediatric Adolescent Medicine Physician · NPI 1447367537

Dr. Mitchell Kleinberg, MD is a Pediatric Adolescent Medicine Physician in Holbrook, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
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

270 Union Ave
Holbrook, NY 11741-1823
Phone: (631) 558-4442
Fax: (631) 471-3039
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Adolescent Medicine Physician (primary) Taxonomy 2080A0000X · Licence 154133 (NY)

Record details

NPI number1447367537
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 24, 2006
Last updated in NPPESApril 10, 2012
Mailing address270 Union Ave, Holbrook, NY 11741-1823

Other providers in Holbrook