Derek Phelps, OD
NPI 1316508708 · Optometrist · Tempe, AZ
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Phelps, OD is a Optometrist provider in Tempe, AZ (NPI 1316508708).
Provider details
- NPI number
- 1316508708
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- 4901005485 (MI)
Specialties & taxonomies
Eye and Vision Services Providers
Eye and Vision Services Providers
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
246 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 122 | $121 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 35 | $158 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 34 | $88 |
| Imaging of Retina92134 | 25 | $37 |
| Ct Scan of Cornea92025 | 18 | $34 |
| Exam of Visual Field With Extended Testing92083 | 12 | $59 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 137 | 74 |
| Fluorometholone | 72 | 35 |
| Valacyclovir Hclbrand: Valacyclovir | 61 | 24 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 47 | 24 |
| Latanoprost | 44 | 20 |
| Timolol Maleate | 42 | 18 |
| Cyclosporinebrand: Restasis | 37 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-06-26
- Last updated
- 2025-03-20
- Certified
- 2025-03-20
Frequently asked questions
- What is Derek Phelps's NPI number?
- Derek Phelps's National Provider Identifier (NPI) is 1316508708, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Phelps's specialty?
- Derek Phelps is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Derek Phelps located?
- Derek Phelps's practice location on file with NPPES is 1215 W Rio Salado Pkwy Ste 101, Tempe, AZ 85281-2954.
- What is Derek Phelps's phone number?
- The practice phone number listed in the NPPES registry for Derek Phelps is (480) 480-2020.
- Does Derek Phelps accept Medicare?
- Derek Phelps is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Phelps's NPI active?
- Yes — Derek Phelps's NPI (1316508708) is active in the NPPES registry as of the last update on 2025-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.