Quick answers
- Which hospitals does Joy N. Carroll work at?
- Medicare's official clinician data lists Joy N. Carroll at 2 hospitals: Mary Greeley Medical Center and St Anthony Regional Hospital & Nursing Home. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joy N. Carroll see patients?
- Medicare's clinician data lists 1 practice location in Ames, IA. Call before your visit to confirm the address.
- What is Joy N. Carroll's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Joy N. Carroll accept Medicare assignment?
- Yes. Medicare's clinician data says Joy N. Carroll 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 Joy N. Carroll?
- (515) 239-4460, as listed in official Medicare / NPI Registry data.
- What is Joy N. Carroll's NPI number?
- 1649699141. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joy N. Carroll works
Medicare's Facility Affiliation Data lists Joy N. Carroll at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mary Greeley Medical CenterAmes, IA · Acute Care Hospital · CCN 160030
- St Anthony Regional Hospital & Nursing HomeCarroll, IA · Critical Access Hospital · CCN 161382
Practice locations
Addresses where Joy N. Carroll is enrolled with Medicare (CMS data updated 2026-10-02).
- 1128 Duff AveAmes, IA 50010 (515) 239‑4460
Group practices
Medicare enrollment lists Joy N. Carroll as a member of this group (CMS data updated 2026-10-02).
- McFarland Clinic PC363 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Ames
Clinicians with the same Medicare primary specialty in Ames, IA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Iowa, Rj & L Carver College Of Medicine |
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649699141 |
| 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