Quick answers
- Where does Derek Phelps see patients?
- Medicare's clinician data lists 2 practice locations, including Grand Rapids, MI and Tempe, AZ. Call before your visit to confirm the address.
- What is Derek Phelps's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Derek Phelps accept Medicare assignment?
- Yes. Medicare's clinician data says Derek Phelps 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 Derek Phelps?
- (480) 480-2020, as listed in official Medicare / NPI Registry data.
- What is Derek Phelps's NPI number?
- 1316508708. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Derek Phelps is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 E Paris Ave SE, Suite 130Grand Rapids, MI 49546
- 1215 W Rio Salado Pkwy, Suite 101Tempe, AZ 85281 (480) 480‑2020
Group practices
Medicare enrollment lists Derek Phelps as a member of these groups (CMS data updated 2026-10-02).
- Verdier Eye Center PLC9 clinicians in the group
- Eye Consultants and Surgeons of Arizona LLC6 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Indiana University - School Of Optometry |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316508708 |
| 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
- 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