Quick answers
- Which hospitals does Ryan A. Darnall work at?
- Medicare's official clinician data lists Ryan A. Darnall at 2 hospitals: Griffin Hospital and The Hospital of Central Connecticut. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan A. Darnall see patients?
- Medicare's clinician data lists 2 practice locations, including Newington, CT and New Britain, CT. Call before your visit to confirm the address.
- What is Ryan A. Darnall's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ryan A. Darnall accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan A. Darnall 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 Ryan A. Darnall?
- (860) 667-4453, as listed in official Medicare / NPI Registry data.
- What is Ryan A. Darnall's NPI number?
- 1972914901. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryan A. Darnall works
Medicare's Facility Affiliation Data lists Ryan A. Darnall at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Griffin HospitalDerby, CT · Acute Care Hospital · CCN 070031
- The Hospital of Central ConnecticutNew Britain, CT · Acute Care Hospital · CCN 070035
Practice locations
Addresses where Ryan A. Darnall is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 John H Stewart DrNewington, CT 06111 (860) 667‑4453
- 100 Grand StNew Britain, CT 06052
Group practices
Medicare enrollment lists Ryan A. Darnall as a member of these groups (CMS data updated 2026-10-02).
- Hartford Healthcare Medical Group Specialists PLLC1,588 clinicians in the group
- The Hospital of Central Connecticut at New Britain General and Bradley399 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Newington
Clinicians with the same Medicare primary specialty in Newington, CT — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | University Of New England, College Of Osteo Medicine |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972914901 |
| 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