ALEX MICHAEL HENNESSEY M.D.
NPI 1811350424
Urology in Danbury, CT
About Alex Michael Hennessey M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEX MICHAEL HENNESSEY M.D. (NPI 1811350424) is an individual urology provider in Danbury, Connecticut, licensed in Connecticut (67394) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, maintains a secondary practice location in Danbury, and is a graduate of University Of Connecticut School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Alex Michael Hennessey 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 Reassignments
2Medicare enrollment records show Alex Hennessey reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Danbury, CT 06810
- Reassigned Medicare billing, Connecticut enrollment
- 13 clinicians in this Medicare group
Danbury, CT 06810
- Reassigned Medicare billing, Connecticut enrollment
- 155 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.
Areas of Expertise CMS Part B claims 21
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06810 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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DANBURY, CT 06810
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 Alex Hennessey's NPI number?
The NPI number for Alex Hennessey is 1811350424. It was assigned to this individual provider in the NPPES registry on March 31, 2016.
Where is Alex Hennessey located?
Alex Hennessey practices at 51-53 Kenosia Ave, Danbury, CT 06810. The listed phone number is (203) 748-0330.
What is Alex Hennessey's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Alex Hennessey enrolled in Medicare?
Yes. Alex Hennessey 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 organizations bill Medicare for Alex Hennessey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alex Hennessey reassigns Medicare benefits to 2 organizations: Urology Associates Of Danbury PC (Danbury, CT) and Danbury Hospital (Danbury, 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 Alex Hennessey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alex Hennessey accept?
Health plans from Anthem Blue Cross and Blue Shield list Alex Hennessey 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 Alex Hennessey was last updated on September 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.