Doctor profile · Federal record

Dr. Joshua Duncan, DO

Ophthalmology Physician (CMS: Ophthalmology) · Ophthalmology Physician · Phoenix, AZ

  • NPI 1457612830
  • Accepts Medicare
  • 14 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
18325 N Allied Way Ste 100
Phoenix, AZ 850543106
(602) 467-4966
fax (480) 419-5401

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
September 15, 2023
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207W00000X — NUCC code
State licenses (2)
Arizona #07085 · Texas #Q8049

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457612830. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,787
Distinct HCPCS
10
Medicare allowed
$715,864
HCPCS Description Services Patients Avg allowed
92136 Measurement of corneal curvature and depth of eye 895 571 $39
66984 Removal of cataract with insertion of prosthetic lens 798 454 $478
92134 Imaging of retina 319 288 $37
99204 New patient office or other outpatient visit, 45-59 minutes 313 313 $160
99214 Established patient office or other outpatient visit, 30-39 minutes 299 258 $124
66821 Removal of recurring cataract in lens capsule using a laser 193 146 $304
92004 New patient complete exam of visual system 167 167 $145
99213 Established patient office or other outpatient visit, 20-29 minutes 167 131 $87
92014 Established patient complete exam of visual system 158 157 $122
92025 Ct scan of cornea 142 134 $33

In context: peer comparison

Among 33 peers in Phoenix Ophthalmology Physician, average services per provider: 634. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,286
Transactions
27
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Glaukos Corporation 8 $1,576.83
Lensar, INC. 1 $900.00
Alcon Vision LLC 6 $377.53
Nova Eye, INC. 1 $133.21
RxSight INC 3 $132.41
Dompe US, INC. 2 $59.93
Bausch & Lomb Americas INC. 2 $38.24
Biotissue Holdings INC. 2 $36.13
Johnson & Johnson Surgical Vision, INC. 2 $31.49

By nature of payment

Food and Beverage
$2,461
Consulting Fee
$825

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
890
Patients
430
Total drug cost
$723,037
Drug Type Claims Patients Total cost
Prednisolone Acetate Generic 334 198 $17,570
Moxifloxacin (Moxifloxacin Hcl) Brand 205 113 $6,511
Latanoprost Generic 152 37 $3,037
Timolol Maleate Generic 41 18 $939
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 22 19 $301
Ofloxacin Generic 21 17 $273
Valacyclovir (Valacyclovir Hcl) Brand 20 0 $2,129
Tramadol Hcl Generic 17 16 $30
Oxervate (Cenegermin-Bkbj) Brand 16 0 $675,279
Prolensa (Bromfenac Sodium) Brand 15 12 $5,269

Frequently asked questions

Auto-generated from federal data
What is Dr. Joshua Duncan's medical specialty?
Dr. Joshua Duncan practices Ophthalmology Physician in Phoenix, AZ.
Where does Dr. Joshua Duncan practice?
Dr. Joshua Duncan practices at 18325 N Allied Way Ste 100, Phoenix, AZ 850543106. Office phone: 6024674966.
What is Dr. Joshua Duncan's NPI?
Dr. Joshua Duncan's National Provider Identifier (NPI) is 1457612830, issued by NPPES.
Does Dr. Joshua Duncan accept Medicare assignment?
Yes. Dr. Joshua Duncan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joshua Duncan commonly perform?
Top Medicare-reported procedures in 2023: Measurement of corneal curvature and depth of eye (HCPCS 92136); Removal of cataract with insertion of prosthetic lens (HCPCS 66984); Imaging of retina (HCPCS 92134). Source: CMS Medicare Physician & Other Practitioners file.