Jonathan Jassey, D.O.
NPI 1689887705 · Pediatric Adolescent Medicine Physician · Roslyn, NY
Jonathan Jassey, D.O. is a Pediatric Adolescent Medicine Physician provider in Roslyn, NY (NPI 1689887705).
Provider details
- NPI number
- 1689887705
- Entity type
- Individual
- Primary specialty
- Pediatric Adolescent Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 243849-1 (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
1 documented practice location
- 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.
$807 across 27 records (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
Registry dates
- Enumerated
- 2007-05-07
- Last updated
- 2023-01-19
- Certified
- 2023-01-19
Frequently asked questions
- What is Jonathan Jassey's NPI number?
- Jonathan Jassey's National Provider Identifier (NPI) is 1689887705, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Jassey's specialty?
- Jonathan Jassey is listed in the NPPES registry with a primary specialty of Pediatric Adolescent Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Jassey located?
- Jonathan Jassey's practice location on file with NPPES is 1520 Old Northern Blvd, Roslyn, NY 11576-1126.
- What is Jonathan Jassey's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Jassey is (516) 514-7337.
- Is Jonathan Jassey's NPI active?
- Yes — Jonathan Jassey's NPI (1689887705) is active in the NPPES registry as of the last update on 2023-01-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.