Dr. Ash Pirouz, MD
- Medicare services, 2024
- 84,309
- Medicare patients, 2024
- 912
- Part D claims, 2024
- 756
- Publications
- 9
- Clinical trials
- 2
- Practice address
- 301 W Bastanchury Rd, Fullerton, CA 92835
- Practice phone
- Call (949) 706-2887
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fullerton Clinical and Surgical Facility
Fullerton, California
Find Dr. Pirouz's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ash Pirouz is a retina specialist (ophthalmology) physician in Fullerton, California
Dr. Pirouz practices at Fullerton Clinical and Surgical Facility in Fullerton, California.
Dr. Pirouz's NPI, 1942489356, was assigned on November 1, 2007. Dr. Pirouz graduated from The Johns Hopkins University School of Medicine in 2005. Dr. Pirouz holds California license A97183.
- NPI
- 1942489356NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032260823
- NPI enumeration date
- November 1, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 706-2887
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ash Pirouz practices at Fullerton Clinical and Surgical Facility in Fullerton, California
Dr. Pirouz's primary practice is Fullerton Clinical and Surgical Facility, at 301 W Bastanchury Rd, Fullerton, CA 92835 in Orange County. The practice phone is (949) 706-2887.
- Fullerton Clinical and Surgical Facility301 W Bastanchury Rd, Fullerton, CA 92835 · Orange CountyPhone(949) 706-2887
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ash Pirouz is affiliated with 4 sites of care and 3 medical groups
Dr. Pirouz's primary practice is Fullerton Clinical and Surgical Facility in Fullerton, California. Dr. Pirouz is also affiliated with Providence St. Jude Medical Center. The medical group on file is UC San Diego Health. Dmand AI also links Dr. Pirouz to 1 more hospital, 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ash Pirouz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pirouz practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fullerton Clinical and Surgical Facility | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ash Pirouz is one of 183 retina specialist (ophthalmology) physicians in California
Retina specialist is Dr. Pirouz's primary specialty in the NPI Registry, under taxonomy code 207WX0107X. Dr. Pirouz is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Pirouz is licensed in California.
Specialties and state licenses
- Retina specialist (ophthalmology), CaliforniaPrimary
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, dry eye, glaucoma, hereditary corneal conditions, inflammation of iris and laser destruction of retinal or choroid lesions among the conditions Dr. Pirouz treats.
Retina specialist (ophthalmology) physicians near Dr. Pirouz
Counts of retina specialist (ophthalmology) physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ash Pirouz billed Medicare for 84,309 services in 2024
CMS data shows 84,309 Medicare services from Dr. Pirouz across 19 procedure codes in 2024, for 912 Medicare patients. Medicare paid $3,649,263 for them.
Dr. Pirouz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 58,9042024: 75,67528%
- Tests and treatments
- 2023: 3,3762024: 3,5696%
- Office and hospital visits
- 2023: 2,8342024: 3,0407%
- Surgery
- 2023: 1,7152024: 1,92312%
- Imaging
- 2023: 822024: 10224%
- Other services
- 2023: 3152024: 0100%
Where Dr. Pirouz's Medicare services took place, 2024
- In an office84,289100%
- In a facility200%
Dr. Pirouz compared with the California median for retina specialist (ophthalmology) physicians, 2024
- Dr. Pirouz
- California median
- Medicare services
- 84,309vs 8,7969.6 times
- Medicare patients
- 912vs 71128% above
- Part D claims
- 675vs 3202.1 times
Medians across 180 retina specialist (ophthalmology) physicians in California with Dmand AI profiles that report each measure.
Dr. Pirouz's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Pirouz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Pirouz and other retina specialist (ophthalmology) physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ash Pirouz treated 912 Medicare patients in 2024, average age 77
CMS counts 912 Medicare patients who saw Dr. Pirouz in 2024. The largest group is 75 to 84, with 365 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.61, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Pirouz's median patient age at 74, with 56% women.
Dr. Pirouz's Medicare patients by age, 2024
Dr. Pirouz's Medicare patients by sex, 2024
- Women51256%
- Men40044%
Chronic conditions among Dr. Pirouz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Diabetes39%
- Chronic kidney disease29%
- Ischemic heart disease26%
- Osteoporosis22%
- Atrial fibrillation20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Pirouz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ash Pirouz wrote 756 Medicare Part D claims in 2024
In 2024, Dr. Pirouz wrote 756 Medicare Part D claims for 188 patients. 64% of them were for generic drugs. CMS names the drug for 675 of them, across 11 drugs with 11 or more claims each, at $33,512 in total drug cost. In 2023, CMS named 564 claims across 12 drugs.
Dr. Pirouz's Part D claims by kind of drug, 2024
- Generic484 claims64%
- Brand-name272 claims36%
Dr. Pirouz's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5642024: 67520%
Drugs named by CMS: 11 in 2024, 12 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ash Pirouz takes part in Medicare
Dr. Pirouz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ash Pirouz has 9 publications on record
Dmand AI links 9 papers to Dr. Pirouz, published from 2017 to 2024. 2017 was the busiest year, with 3. The most frequent topics are Angiogenesis Inhibitors, Choroidal Neovascularization and Intravitreal Injections. Dr. Pirouz's most frequent co-authors are Sean David Adrean, MD, Scott Grant, MD and Siyang Chaili, MD.
Dr. Pirouz's papers by year, 2017 to 2024
Topics Dr. Pirouz writes about most
- Angiogenesis Inhibitors
- Choroidal Neovascularization
- Intravitreal Injections
- Ranibizumab
- Vascular Endothelial Growth Factor A
- Visual Acuity
- Wet Macular Degeneration
Dr. Pirouz's most frequent co-authors
Recent publications by Dr. Pirouz
Graefes Arch Clin Exp Ophthalmol
See who Dr. Pirouz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Pirouz works with, so you can find a warm path to the right retina specialist (ophthalmology) physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ash Pirouz has worked on 2 clinical trials
Dmand AI links Dr. Pirouz to 2 clinical trials. Conditions studied include Macular Degeneration and Retinal Degeneration. Open Payments lists research payments to Dr. Pirouz that name 2 trials.
Conditions in Dr. Pirouz's trials
- Macular Degeneration
- Retinal Degeneration
Investigators on the most trials with Dr. Pirouz
- Sunil Gupta, MD2 shared trials
- Joseph D. Benevento, MD1 shared trial
- Brian B. Berger, MD1 shared trial
Recent clinical trials with Dr. Pirouz
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Ash Pirouz received $23,188 in industry payments from 2016 to 2025
CMS Open Payments shows 265 general payments to Dr. Pirouz from 19 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 47% of the total. Allergan Inc. paid the most, $11,663. It also lists 38 research payments totaling $188,445 from 2016 to 2018, naming 2 clinical trials.
General payments to Dr. Pirouz by program year, 2016 to 2025
General payments to Dr. Pirouz by kind, 2016 to 2025
- Food and beverage$11,00347%
- Consulting fees$10,26544%
- Travel and lodging$1,8828%
- Entertainment$220%
- Education$160%
Companies that paid Dr. Pirouz the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ash Pirouz has 1 award and honors on record
Dmand AI lists 1 award for Dr. Pirouz, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Pirouz
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Ash Pirouz graduated from The Johns Hopkins University School of Medicine
Dr. Pirouz graduated from The Johns Hopkins University School of Medicine in 2005.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Ash Pirouz accepts plans from 17 insurance carriers
Dr. Pirouz is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- LA Care
- Blue Cross Blue Shield of Massachusetts
- Molina
- +9 more carriersWith a free account
Plan types Dr. Pirouz accepts, by number of carriers
- Medicare10
- HMO9
- PPO9
- POS5
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ash Pirouz's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ash Pirouz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ash Pirouz's NPI number?
Dr. Ash Pirouz's NPI number is 1942489356. It was assigned on November 1, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ash Pirouz?
Dr. Ash Pirouz is a retina specialist (ophthalmology) physician in Fullerton, California. The primary specialty in the NPI Registry is Retina Specialist (Ophthalmology) Physician (taxonomy code 207WX0107X).
Where does Dr. Ash Pirouz practice?
Dr. Pirouz practices at 301 W Bastanchury Rd, Fullerton, CA 92835. Dr. Pirouz's primary practice is Fullerton Clinical and Surgical Facility in Fullerton, California. Dmand AI also links Dr. Pirouz to 1 hospital, 2 medical groups and 1 group practice or clinic.
What is Dr. Ash Pirouz's office phone number?
The practice phone on file for Dr. Pirouz is (949) 706-2887.
What is Dr. Ash Pirouz's medical license number?
Dr. Pirouz holds California license A97183.
Which hospitals is Dr. Ash Pirouz affiliated with?
Dr. Pirouz is affiliated with Providence St. Jude Medical Center. Dmand AI links Dr. Pirouz to 1 more hospital.
What medical group is Dr. Ash Pirouz part of?
Dr. Pirouz is linked to UC San Diego Health. Dmand AI links Dr. Pirouz to 2 more medical groups.
Does Dr. Ash Pirouz accept Medicare?
Yes. CMS data shows Dr. Pirouz billed Medicare for 84,309 services in 2024, and Dr. Pirouz accepts Medicare assignment.
How many Medicare patients does Dr. Ash Pirouz see?
CMS counts 912 Medicare patients who saw Dr. Pirouz in 2024, with an average age of 77.
Is Dr. Ash Pirouz board certified?
Yes. Dr. Pirouz is board certified in ophthalmology by the American Board of Ophthalmology.
Show 8 more questionsShow fewer questions
What services does Dr. Ash Pirouz bill to Medicare?
In 2024, Dr. Pirouz's most billed Medicare services were injected or infused drug (J2777), injected or infused drug (J2781) and office visit, established patient (99214).
Where did Dr. Ash Pirouz go to medical school?
Dr. Pirouz graduated from The Johns Hopkins University School of Medicine in 2005.
What drugs does Dr. Ash Pirouz prescribe most?
In 2024 Medicare Part D data, Dr. Pirouz's most prescribed drugs by claims were Dorzolamide-Timolol, Prednisolone Acetate and Latanoprost.
Has Dr. Ash Pirouz received payments from drug or device companies?
CMS Open Payments shows $23,188 in general payments to Dr. Pirouz from 19 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Ash Pirouz been practicing?
Dr. Pirouz graduated from medical school in 2005, 21 years ago.
Does Dr. Ash Pirouz do research?
Dmand AI links 9 publications to Dr. Pirouz, published from 2017 to 2024. Dr. Pirouz has worked on 2 clinical trials.
Who does Dr. Ash Pirouz publish with?
Dr. Pirouz's most frequent co-authors are Sean David Adrean, MD (9 shared papers), Scott Grant, MD (8 shared papers) and Siyang Chaili, MD (6 shared papers).
What insurance does Dr. Ash Pirouz accept?
Dr. Pirouz is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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