DR. JASON HENRY GREENBERG M.D.
NPI 1497082648
Pediatrics - Pediatric Nephrology in New Haven, CT
About Dr. Jason Henry Greenberg M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JASON HENRY GREENBERG M.D. (NPI 1497082648) is an individual pediatric nephrology provider in New Haven, Connecticut, licensed in Connecticut (54561) and active in the NPI registry since November 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Jason Henry Greenberg M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Jason Greenberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Haven, CT 06511
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jason Greenberg's NPI number?
The NPI number for Jason Greenberg is 1497082648. It was assigned to this individual provider in the NPPES registry on November 9, 2009.
Where is Jason Greenberg located?
Jason Greenberg practices at 15 W Rock Ave, New Haven, CT 06515. The listed phone number is (516) 353-9719.
What is Jason Greenberg's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Nephrology, with taxonomy code 2080P0210X.
Is Jason Greenberg enrolled in Medicare?
Yes. Jason Greenberg is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Jason Greenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jason Greenberg reassigns Medicare benefits to Yale University (New Haven, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jason Greenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jason Greenberg accept?
Health plans from Anthem Blue Cross and Blue Shield list Jason Greenberg as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Jason Greenberg was last updated on July 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.