Quick answers
- Which hospitals does Grant J. Yanagi work at?
- Medicare's official clinician data lists Grant J. Yanagi at 5 hospitals: Day Kimball Hospital, Griffin Hospital, Hartford Hospital, Manchester Memorial Hospital and Middlesex Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Grant J. Yanagi see patients?
- Medicare's clinician data lists 6 practice locations, including Enfield, CT, Wethersfield, CT and Farmington, CT. Call before your visit to confirm the address.
- What is Grant J. Yanagi's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Grant J. Yanagi accept Medicare assignment?
- Yes. Medicare's clinician data says Grant J. Yanagi 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.
- Does Grant J. Yanagi offer telehealth?
- Medicare's clinician data says Grant J. Yanagi offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Grant J. Yanagi?
- (860) 289-3375, as listed in official Medicare / NPI Registry data.
- What is Grant J. Yanagi's NPI number?
- 1851615405. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Grant J. Yanagi works
Medicare's Facility Affiliation Data lists Grant J. Yanagi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Day Kimball HospitalPutnam, CT · Acute Care Hospital · CCN 070003
- Griffin HospitalDerby, CT · Acute Care Hospital · CCN 070031
- Hartford HospitalHartford, CT · Acute Care Hospital · CCN 070025
- Manchester Memorial HospitalManchester, CT · Acute Care Hospital · CCN 070027
- Middlesex HospitalMiddletown, CT · Acute Care Hospital · CCN 070020
Practice locations
Addresses where Grant J. Yanagi is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 100 Hazard Ave, Suite 100Enfield, CT 06082 (860) 289‑3375
- 1260 Silas Deane Hwy, Suite 104Wethersfield, CT 06109
- 399 Farmington Ave, Fl 1Farmington, CT 06032 (860) 289‑3375
- 575 Beech StHolyoke, MA 01040 (860) 291‑6572
- 6 Fieldstone Cmns, Suite ETolland, CT 06084 (860) 896‑4848
Group practices
Medicare enrollment lists Grant J. Yanagi as a member of these groups (CMS data updated 2026-10-02).
- Jefferson Radiology PC114 clinicians in the group
- Connecticut Imaging Partners LLC104 clinicians in the group
- Farmington Imaging Center LLC71 clinicians in the group
- Tic LLC53 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Enfield
Clinicians with the same Medicare primary specialty in Enfield, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tufts University School Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1851615405 |
| 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