Joshua Duncan, DO
NPI 1457612830 · Ophthalmology Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joshua Duncan, DO is a Ophthalmology Physician provider in Phoenix, AZ (NPI 1457612830).
Provider details
- NPI number
- 1457612830
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 07085 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,680 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Measurement of Corneal Curvature and Depth of Eye92136 | 849 | $38 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 798 | $489 |
| Imaging of Retina92134 | 375 | $37 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 326 | $161 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 297 | $124 |
| Removal of Recurring Cataract in Lens Capsule Using a Laser66821 | 240 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 365 | 209 |
| Moxifloxacin Hclbrand: Moxifloxacin | 183 | 113 |
| Latanoprost | 79 | 26 |
| Timolol Maleate | 43 | 16 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 30 | 24 |
| Valacyclovir Hclbrand: Valacyclovir | 30 | 11 |
| Cenegermin-Bkbjbrand: Oxervate | 28 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,286 across 27 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-01
- Last updated
- 2023-09-15
- Certified
- 2023-09-15
Frequently asked questions
- What is Joshua Duncan's NPI number?
- Joshua Duncan's National Provider Identifier (NPI) is 1457612830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Duncan's specialty?
- Joshua Duncan is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Joshua Duncan located?
- Joshua Duncan's practice location on file with NPPES is 18325 N Allied Way Ste 100, Phoenix, AZ 85054-3106.
- What is Joshua Duncan's phone number?
- The practice phone number listed in the NPPES registry for Joshua Duncan is (602) 467-4966.
- Does Joshua Duncan accept Medicare?
- Joshua Duncan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joshua Duncan's NPI active?
- Yes — Joshua Duncan's NPI (1457612830) is active in the NPPES registry as of the last update on 2023-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.