Jason Greenberg, M.D.
NPI 1497082648 · Pediatric Nephrology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Greenberg, M.D. is a Pediatric Nephrology Physician provider in New Haven, CT (NPI 1497082648).
Provider details
- NPI number
- 1497082648
- Entity type
- Individual
- Primary specialty
- Pediatric Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 255221 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-11-09
- Last updated
- 2016-07-18
Frequently asked questions
- What is Jason Greenberg's NPI number?
- Jason Greenberg's National Provider Identifier (NPI) is 1497082648, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Greenberg's specialty?
- Jason Greenberg is listed in the NPPES registry with a primary specialty of Pediatric Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Jason Greenberg located?
- Jason Greenberg's practice location on file with NPPES is 15 W Rock Ave, New Haven, CT 06515-2218.
- What is Jason Greenberg's phone number?
- The practice phone number listed in the NPPES registry for Jason Greenberg is (516) 353-9719.
- Does Jason Greenberg accept Medicare?
- Jason Greenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Greenberg's NPI active?
- Yes — Jason Greenberg's NPI (1497082648) is active in the NPPES registry as of the last update on 2016-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.