1. Home
  2. Directory
  3. Connecticut
  4. Hartford
  5. Emergency Medicine
  6. NPI Profile

ANGELO BRENNAN
NPI 1306475199
Emergency Medicine in Hartford, CT

Active since April 03, 2020PECOS EnrolledAccepts Medicare Assignment
231 ASHLEY ST, HARTFORD, CT 06105(860) 714-4000 Get Directions Write a Review

NPPES record last updated: July 10, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 10, 2025, Apr 3, 2020 (2 updates tracked since 2020).

About Angelo Brennan NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANGELO BRENNAN (NPI 1306475199) is an individual emergency medicine provider in Hartford, Connecticut, licensed in Connecticut (81362) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Ctr, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1306475199
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameANGELO BRENNAN
Location Address231 ASHLEY STHartford, CT 06105
Mailing Address231 Ashley StHartford, CT 06105
Phone(860) 714-4000
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 3, 2020
Last NPPES UpdateJuly 10, 20252 updates tracked since enumeration
NPPES CertifiedJune 17, 2025
✔ NPI 1306475199 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in CT · 81362✔ Licensed in MA · 1024561
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
231 ASHLEY ST, Hartford, CT 06105
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1201 Chestnut Hill RdStafford Springs, CT 06076-4005 · Phone (860) 684-4251
Location 2271 Carew StSpringfield, MA 01104-2377 · Phone (413) 748-9670
Location 356 Franklin StWaterbury, CT 06706-1253 · Phone (203) 709-6004

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellSense Health Plan.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

Angelo Brennan 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.

PECOS PAC ID9931587052
PECOS Enrollment IDI20250715001943, I20250724000684
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Angelo Brennan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cep America LLC
0.1 mi
Emergency Medicine
114 WOODLAND ST
Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut enrollment
  • 100 clinicians in this Medicare group
NPI 1609671114 (860) 714-4000
Vituity-Massachusetts PLLC
24 mi
Emergency Medicine
271 CAREW ST
Springfield, MA 01104
  • Reassigned Medicare billing, Massachusetts enrollment
  • 62 clinicians in this Medicare group
NPI 1083404313 (413) 748-9000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Medical Ctr

Acute Care Hospitals · Springfield, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220066
Location271 Carew StreetSpringfield, MA 01104 · Hampden County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Angelo Brennan's NPI number?

The NPI number for Angelo Brennan is 1306475199. It was assigned to this individual provider in the NPPES registry on April 3, 2020.

Where is Angelo Brennan located?

Angelo Brennan practices at 231 Ashley St, Hartford, CT 06105. The listed phone number is (860) 714-4000.

What is Angelo Brennan's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Angelo Brennan enrolled in Medicare?

Yes. Angelo Brennan 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 Angelo Brennan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Angelo Brennan reassigns Medicare benefits to 2 organizations: Cep America LLC (Hartford, CT) and Vituity-Massachusetts PLLC (Springfield, MA). 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 Angelo Brennan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Angelo Brennan accept?

Health plans from WellSense Health Plan list Angelo Brennan 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.

Is Angelo Brennan affiliated with any hospitals?

According to CMS data, Angelo Brennan is affiliated with Mercy Medical Ctr.

When was this NPI record last updated?

The NPPES record for Angelo Brennan was last updated on July 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.