Quick answers
- Does Ajoy L. Dias accept Medicare assignment?
- Yes. Medicare's clinician data says Ajoy L. Dias accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Ajoy L. Dias's NPI number?
- 1376776542. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ajoy L. Dias works
Medicare's Facility Affiliation Data lists Ajoy L. Dias at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mayo Clinic Hospital RochesterRochester, MN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 240010
- MedStar Georgetown University HospitalWashington, DC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 090004
Practice locations
Addresses where Ajoy L. Dias is enrolled with Medicare (CMS data updated October 2, 2026).
- 200 1st St SWRochester, MN 55905 (507) 284‑2511
- 3800 Reservoir Rd NWWashington, DC 20007 (202) 444‑2000
Group practices
Medicare enrollment lists Ajoy L. Dias as a member of these groups (CMS data updated October 2, 2026).
- Mayo Clinic4,956 clinicians in the group
- MedStar Medical Group II LLC3,767 clinicians in the group
Specialties
- Hematologyprimary
Other hematologists in Rochester
Clinicians with the same Medicare primary specialty in Rochester, MN — not a recommendation.
Other clinicians in Mayo Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1994 (32 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376776542 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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