LEO MATHIAS COONEY MD
NPI 1992787287
Internal Medicine - Geriatric Medicine in New Haven, CT
About Leo Mathias Cooney Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEO MATHIAS COONEY MD (NPI 1992787287) is an individual geriatric medicine provider in New Haven, Connecticut, licensed in Connecticut (018221) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in New Haven.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Leo Mathias Cooney Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Leo Cooney reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 clinicians in this Medicare group
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- 468 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 06519 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 06519
NEW HAVEN, CT 06519
NEW HAVEN, CT 06519
NEW HAVEN, CT 06519
NEW HAVEN, CT 06519
NEW HAVEN, CT 06519
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 Leo Cooney's NPI number?
The NPI number for Leo Cooney is 1992787287. It was assigned to this individual provider in the NPPES registry on November 14, 2005.
Where is Leo Cooney located?
Leo Cooney practices at 789 Howard Ave Dana Building - 3rd Floor, New Haven, CT 06519. The listed phone number is (203) 688-2204.
What is Leo Cooney's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.
Is Leo Cooney enrolled in Medicare?
Yes. Leo Cooney is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Leo Cooney's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leo Cooney reassigns Medicare benefits to 2 organizations: Yale University (New Haven, CT) and Cornell Scott Hill Health Corporation (New Haven, CT). Each 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 Leo Cooney'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 Leo Cooney was last updated on December 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.