Quick answers
- Which hospitals does Reni S. Butler work at?
- Medicare's official clinician data lists Reni S. Butler at 2 hospitals: Lawrence & Memorial Hospital and Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Reni S. Butler see patients?
- Medicare's clinician data lists 5 practice locations, including Guilford, CT, New Haven, CT and Bridgeport, CT. Call before your visit to confirm the address.
- What is Reni S. Butler's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Reni S. Butler accept Medicare assignment?
- Yes. Medicare's clinician data says Reni S. Butler 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 Reni S. Butler?
- (203) 747-7300, as listed in official Medicare / NPI Registry data.
- What is Reni S. Butler's NPI number?
- 1609876770. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Reni S. Butler works
Medicare's Facility Affiliation Data lists Reni S. Butler at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lawrence & Memorial HospitalNew London, CT · Acute Care Hospital · CCN 070007
- Yale-New Haven HospitalNew Haven, CT · Acute Care Hospital · CCN 070022
Practice locations
Addresses where Reni S. Butler is enrolled with Medicare (CMS data updated 2026-10-02).
- 111 Goose LnGuilford, CT 06437 (203) 747‑7300
- 150 Sargent DrNew Haven, CT 06511
- 20 York StNew Haven, CT 06510
- 267 Grant StBridgeport, CT 06610 (203) 384‑3000
- 800 Howard AveNew Haven, CT 06519 (203) 785‑2140
Group practices
Medicare enrollment lists Reni S. Butler as a member of this group (CMS data updated 2026-10-02).
- Yale University2,645 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Guilford
Clinicians with the same Medicare primary specialty in Guilford, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 1991 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609876770 |
| 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