Quick answers
- Which hospitals does Johnny R. Dy work at?
- Medicare's official clinician data lists Johnny R. Dy at 3 hospitals: Caldwell Memorial Hospital, Catawba Valley Medical Center and Frye Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Johnny R. Dy see patients?
- Medicare's clinician data lists 1 practice location in Lenoir, NC. Call before your visit to confirm the address.
- What is Johnny R. Dy's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Johnny R. Dy accept Medicare assignment?
- Yes. Medicare's clinician data says Johnny R. Dy 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 Johnny R. Dy?
- (828) 572-0778, as listed in official Medicare / NPI Registry data.
- What is Johnny R. Dy's NPI number?
- 1528021664. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Johnny R. Dy works
Medicare's Facility Affiliation Data lists Johnny R. Dy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Caldwell Memorial HospitalLenoir, NC · Acute Care Hospital · CCN 340041
- Catawba Valley Medical CenterHickory, NC · Acute Care Hospital · CCN 340143
- Frye Regional Medical CenterHickory, NC · Acute Care Hospital · CCN 340116
Practice locations
Addresses where Johnny R. Dy is enrolled with Medicare (CMS data updated 2026-10-02).
- 224 Sharon Ave NWLenoir, NC 28645 (828) 572‑0778
Group practices
Medicare enrollment lists Johnny R. Dy as a member of this group (CMS data updated 2026-10-02).
- Cross River Cardiology, PLLC3 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in North Carolina →
Other cardiologists in Lenoir
Clinicians with the same Medicare primary specialty in Lenoir, NC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528021664 |
| 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