Quick answers
- Which hospitals does Daniel L. Regan work at?
- Medicare's official clinician data lists Daniel L. Regan at 1 hospital: Our Lady of Fatima Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Daniel L. Regan see patients?
- Medicare's clinician data lists 3 practice locations, including Johnston, RI, Warwick, RI and East Greenwich, RI. Call before your visit to confirm the address.
- What is Daniel L. Regan's specialty?
- Medicare lists Addiction Medicine as the primary specialty.
- Does Daniel L. Regan accept Medicare assignment?
- Medicare's clinician data says Daniel L. Regan may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Daniel L. Regan?
- (401) 273-9400, as listed in official Medicare / NPI Registry data.
- What is Daniel L. Regan's NPI number?
- 1972619864. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Daniel L. Regan works
Medicare's Facility Affiliation Data lists Daniel L. Regan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Our Lady of Fatima HospitalNorth Providence, RI · Acute Care Hospital · CCN 410005
Practice locations
Addresses where Daniel L. Regan is enrolled with Medicare (CMS data updated 2026-10-02).
- 1524 Atwood Ave, Suite 122Johnston, RI 02919 (401) 273‑9400
- 300 Toll Gate RdWarwick, RI 02886 (401) 431‑9024
- 5750 Post RdEast Greenwich, RI 02818 (401) 398‑8760
Group practices
Medicare enrollment lists Daniel L. Regan as a member of this group (CMS data updated 2026-10-02).
- Atmed Treatment Center, Inc.11 clinicians in the group
Specialties
- Addiction Medicineprimary
Other addiction medicine doctors in Rhode Island
Clinicians with the same Medicare primary specialty in Rhode Island — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1972619864 |
| 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