Quick answers
- Which hospitals does Matthew Brennan work at?
- Medicare's official clinician data lists Matthew Brennan at 1 hospital: Greenwood Leflore Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew Brennan see patients?
- Medicare's clinician data lists 1 practice location in Stamford, CT. Call before your visit to confirm the address.
- What is Matthew Brennan's specialty?
- Medicare lists General Practice as the primary specialty.
- Does Matthew Brennan accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew Brennan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Matthew Brennan?
- (310) 445-5999, as listed in official Medicare / NPI Registry data.
- What is Matthew Brennan's NPI number?
- 1174799688. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew Brennan works
Medicare's Facility Affiliation Data lists Matthew Brennan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Greenwood Leflore HospitalGreenwood, MS · Acute Care Hospital · CCN 250099
Practice locations
Addresses where Matthew Brennan is enrolled with Medicare (CMS data updated 2026-10-02).
- 6 Landmark Sq, Fl 4Stamford, CT 06901 (310) 445‑5999
Group practices
Medicare enrollment lists Matthew Brennan as a member of these groups (CMS data updated 2026-10-02).
- Skilled Facility Health Care Solutions Inc60 clinicians in the group
- Skilled Biologics Inc26 clinicians in the group
Specialties
- General Practiceprimary
Other general practitioners in Connecticut
Clinicians with the same Medicare primary specialty in Connecticut — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174799688 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians