DR. MICHAEL L GREEN MD
NPI 1649244419
Internal Medicine in New Haven, CT
About Dr. Michael L Green Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL L GREEN MD (NPI 1649244419) is an individual internal medicine provider in New Haven, Connecticut, licensed in Connecticut (034549) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Michael L Green Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Michael Green reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Haven, CT 06519
- 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06511 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW HAVEN, CT 06511
NEW HAVEN, CT 06511
NEW HAVEN, CT 06511
NEW HAVEN, CT 06511
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 Michael Green's NPI number?
The NPI number for Michael Green is 1649244419. It was assigned to this individual provider in the NPPES registry on February 16, 2006.
Where is Michael Green located?
Michael Green practices at 1450 Chapel Street Family Health Center, New Haven, CT 06511. The listed phone number is (203) 789-4044.
What is Michael Green's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Michael Green enrolled in Medicare?
Yes. Michael Green is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Michael Green's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Green 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 Michael Green's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Michael Green was last updated on September 4, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.