Jack Sadacka, M.D
NPI 1356424915 · Pediatric Adolescent Medicine Physician · Brooklyn, NY
Jack Sadacka, M.D is a Pediatric Adolescent Medicine Physician provider in Brooklyn, NY (NPI 1356424915).
Provider details
- NPI number
- 1356424915
- Entity type
- Individual
- Primary specialty
- Pediatric Adolescent Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 231797 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$29 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 4802 10th AveBrooklyn, NY 11219-2916Phone: (718) 283-8399
Registry dates
- Enumerated
- 2006-10-24
- Last updated
- 2019-04-29
Frequently asked questions
- What is Jack Sadacka's NPI number?
- Jack Sadacka's National Provider Identifier (NPI) is 1356424915, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Sadacka's specialty?
- Jack Sadacka is listed in the NPPES registry with a primary specialty of Pediatric Adolescent Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jack Sadacka located?
- Jack Sadacka's practice location on file with NPPES is 813 Quentin Rd Ste 202, Brooklyn, NY 11223-2220.
- What is Jack Sadacka's phone number?
- The practice phone number listed in the NPPES registry for Jack Sadacka is (718) 645-2618.
- Is Jack Sadacka's NPI active?
- Yes — Jack Sadacka's NPI (1356424915) is active in the NPPES registry as of the last update on 2019-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.