TRACY E BRENNAN MD
NPI 1093814857
Obstetrics & Gynecology - Gynecology in Hartford, CT
About Tracy E Brennan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TRACY E BRENNAN MD (NPI 1093814857) is an individual gynecology provider in Hartford, Connecticut, licensed in Connecticut (028642) and active in the NPI registry since September 2006. She 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)
Tracy E Brennan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Tracy Brennan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hartford, CT 06102
- Reassigned Medicare billing, Connecticut enrollment
- Also billed through NPI 1770696643 (Connecticut)
- 1,333 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 06106 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.
Reported Quality Measures
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Tracy Brennan's NPI number?
The NPI number for Tracy Brennan is 1093814857. It was assigned to this individual provider in the NPPES registry on September 21, 2006.
Where is Tracy Brennan located?
Tracy Brennan practices at 136 Retreat Ave, Hartford, CT 06106. The listed phone number is (860) 547-0306.
What is Tracy Brennan's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.
Is Tracy Brennan enrolled in Medicare?
Yes. Tracy Brennan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Tracy Brennan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tracy Brennan reassigns Medicare benefits to Hartford Hospital (Hartford, 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 Tracy Brennan'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 Tracy Brennan was last updated on October 19, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.