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

Jack Sadacka, MD

Individual provider Pediatric Adolescent Medicine Physician · NPI 1356424915

Jack Sadacka, MD is a Pediatric Adolescent Medicine Physician in Brooklyn, New York. Practices as a sole proprietor and works from 2 locations. 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.

See every abbreviation used in this directory →

Practice location Address checks out

813 Quentin Rd Ste 202
Brooklyn, NY 11223-2220
Phone: (718) 645-2618
Fax: (718) 645-2641
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 4802 10th Ave, Brooklyn, NY 11219-2916 — (718) 283-8399

Specialties & licences

Pediatric Adolescent Medicine Physician (primary) Taxonomy 2080A0000X · Licence 231797 (NY)

Record details

NPI number1356424915
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 24, 2006
Last updated in NPPESApril 29, 2019
Mailing address2317 Avenue R, Brooklyn, NY 11229-2427

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