Doctor profile · Federal record

Dr. Ash Pirouz, MD

Retina Specialist (Ophthalmology) Physician (CMS: Ophthalmology) · Fullerton, CA

  • NPI 1942489356
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
301 W Bastanchury RD Ste 285
Fullerton, CA 928353432
(714) 738-4620
fax (714) 738-0388

Credentials & registration

NPPES · NUCC
NPI registered
November 2007 — 19 yrs on file
Profile last updated
March 4, 2022
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207WX0107X — NUCC code
State license (1)
California #A97183

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942489356. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
67,226
Distinct HCPCS
10
Medicare allowed
$3,929,690
HCPCS Description Services Patients Avg allowed
J2777 Injection, faricimab-svoa, 0.1 mg 57,120 197 $37
99214 Established patient office or other outpatient visit, 30-39 minutes 2,670 826 $139
92134 Imaging of retina 2,367 736 $44
67028 Injection of drug into eye 1,656 329 $128
J2781 Injection, pegcetacoplan, intravitreal, 1 mg 795 38 $151
J0178 Injection, aflibercept, 1 mg 686 117 $876
92250 Photography of the retina 471 202 $41
Q5128 Injection, ranibizumab-eqrn (cimerli), biosimilar, 0.1 mg 315 25 $272
J7999 Compounded drug, not otherwise classified 230 52 $92
92242 Exam of retinal blood vessels and blood vessels between the white part of eye and retina using a special camera after injection of a dye 217 196 $300

In context: peer comparison

Among 4 peers in Fullerton Retina Specialist (Ophthalmology) Physician, average services per provider: 2,697. This provider delivers 25× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,955
Transactions
45
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Genentech USA, INC. 14 $2,356.64
Regeneron Healthcare Solutions, INC. 10 $353.92
Apellis Pharmaceuticals, INC. 5 $304.88
Ani Pharmaceuticals, INC. 3 $215.59
Abbvie INC. 4 $158.41
Astellas Pharma US INC 2 $155.06
Genentech, INC. 1 $135.45
Alcon Vision LLC 1 $129.78
Sandoz INC. 2 $48.18
Astellas Pharma Global Development 1 $47.04
Coherus Biosciences INC. 1 $27.31
Alimera Sciences, INC. 1 $22.54

By nature of payment

Consulting Fee
$2,115
Food and Beverage
$1,840

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
549
Patients
234
Total drug cost
$31,795
Drug Type Claims Patients Total cost
Latanoprost Generic 102 29 $1,550
Prednisolone Acetate Generic 89 53 $3,977
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 78 62 $1,089
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 77 37 $2,049
Timolol Maleate Generic 54 19 $1,625
Ketorolac Tromethamine Generic 43 23 $1,007
Alphagan P (Brimonidine Tartrate) Brand 36 11 $8,621
Brimonidine Tartrate Generic 23 0 $328
Difluprednate Generic 13 0 $1,135
Restasis (Cyclosporine) Brand 12 0 $9,589

Frequently asked questions

Auto-generated from federal data
What is Dr. Ash Pirouz's medical specialty?
Dr. Ash Pirouz practices Retina Specialist (Ophthalmology) Physician in Fullerton, CA.
Where does Dr. Ash Pirouz practice?
Dr. Ash Pirouz practices at 301 W Bastanchury RD Ste 285, Fullerton, CA 928353432. Office phone: 7147384620.
What is Dr. Ash Pirouz's NPI?
Dr. Ash Pirouz's National Provider Identifier (NPI) is 1942489356, issued by NPPES.
Does Dr. Ash Pirouz accept Medicare assignment?
Yes. Dr. Ash Pirouz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ash Pirouz commonly perform?
Top Medicare-reported procedures in 2023: Injection, faricimab-svoa, 0.1 mg (HCPCS J2777); Established patient office or other outpatient visit (HCPCS 99214); Imaging of retina (HCPCS 92134). Source: CMS Medicare Physician & Other Practitioners file.