DR. ASH PIROUZ MD
NPI 1942489356
Ophthalmology - Retina Specialist in Fullerton, CA

Q: What is Ash Pirouz's NPI number?

The NPI number for Ash Pirouz is 1942489356. It was assigned to this individual provider in the NPPES registry on November 1, 2007.

Q: What is Ash Pirouz's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Retina Specialist, with taxonomy code 207WX0107X.

Q: When was this NPI record last updated?

The NPPES record for Ash Pirouz was last updated on March 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since November 01, 2007PECOS EnrolledAccepts Medicare Assignment

301 W BASTANCHURY RD STE 285, FULLERTON, CA 92835(714) 738-4620(714) 738-0388 Get Directions Write a Review

NPPES record last updated: March 4, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 4, 2022, Apr 21, 2017, Apr 13, 2017 (3 updates tracked since 2017).

On this page

About Dr. Ash Pirouz Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ASH PIROUZ MD (NPI 1942489356) is an individual retina specialist in Fullerton, California, licensed in California (A97183) and active in the NPI registry since November 2007. He is enrolled in Medicare PECOS and is a graduate of Johns Hopkins University School Of Medicine (2005).

NPPES Registry Identity

NPI1942489356

Entity TypeIndividualMale

Primary Taxonomy207WX0107X

Provider Legal NameDR. ASH PIROUZCredential: MD

Location Address301 W BASTANCHURY RD STE 285Fullerton, CA 92835-3432

Mailing Address301 W Bastanchury Rd Ste 285Fullerton, CA 92835-3432 · (310) 709-6248 · Fax (714) 738-0388

Phone(714) 738-4620

Fax(714) 738-0388

Sole ProprietorNo

Medical School CMSJohns Hopkins University School Of MedicineGraduated 2005

Enumeration DateNovember 1, 2007

Last NPPES UpdateMarch 4, 20223 updates tracked since enumeration

NPPES CertifiedMarch 4, 2022

✔ NPI 1942489356 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmology · Retina SpecialistAllopathic & Osteopathic Physicians

Taxonomy Code207WX0107X

License✔ Licensed in CA · A97183

Definition

An ophthalmologist who specializes in the diagnosis and treatment of vitreoretinal diseases.

301 W BASTANCHURY RD STE 285, Fullerton, CA 92835

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ash Pirouz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9032260823

PECOS Enrollment IDI20090708000402

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Ash Pirouz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Retina Consultants Of Orange County, A Medical Corporation

Same address

Retina Specialist

301 W BASTANCHURY RD, 285
Fullerton, CA 92835

Reassigned Medicare billing, California enrollment
10 clinicians in this Medicare group

NPI 1770539702 (714) 738-4620

Aarchan Joshi, M.D. Inc

26 mi

Ophthalmology

520 N PROSPECT AVE, SUITE 206
Redondo Beach, CA 90277

Reassigned Medicare billing, California enrollment
13 clinicians in this Medicare group

NPI 1306924238 (310) 376-8850

Regents Of The University Of California

90 mi

Ophthalmology

200 W ARBOR DR
San Diego, CA 92103

Reassigned Medicare billing, California enrollment
129 clinicians in this Medicare group

NPI 1699877621 (800) 926-8273

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 17

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, faricimab-svoa, 0.1 mg J2777

Faricimab-svoa is a medication given through an injection into the eye to treat certain eye conditions. The 0.1 mg dosage helps control disease progression, improving vision and eye health. The procedure is done by a healthcare professional.

68,520 services238 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

2,859 services819 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

2,609 services731 patients

Injection of drug into eye 67028

An injection into the eye is a procedure where a medication is delivered directly into your eye to treat various conditions. A local anesthetic is applied to numb the eye, ensuring minimal discomfort. The drug helps manage diseases like macular degeneration or diabetic retinopathy.

1,849 services334 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

468 services195 patients

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 92242

This procedure involves a special camera capturing images of the eye's blood vessels. A dye is injected into your body, which travels to the eye's vessels, highlighting them in the photos. This helps identify any abnormalities in the retina and surrounding areas.

224 services200 patients

Compounded drug, not otherwise classified J7999

A compounded drug is a personalized medication created to meet unique patient needs. If you can't take standard drugs due to allergies or need a specific dosage not commercially available, a pharmacist can mix ingredients to make a drug specifically for you.

176 services46 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

169 services169 patients

Exam of retinal blood vessels using a special camera after injection of a dye 92235

This procedure, known as a fluorescein angiography, involves taking images of the back of your eye. A dye is injected into your arm that travels to your eye, highlighting the blood vessels in your retina. This helps identify any abnormalities.

153 services142 patients

2d ultrasound scan of eye tissue and structures 76512

A 2D ultrasound scan of eye tissue and structures is a non-invasive procedure that uses sound waves to create images of your eye. It helps doctors to examine your eye's internal structures, detect abnormalities, and plan for treatments if needed.

102 services42 patients

Injection, aflibercept, 1 mg J0178

Aflibercept injection is a treatment for certain eye conditions that affect vision. It works by blocking abnormal blood vessel growth and leakage in the eye, which can cause vision loss. The medication is administered directly into the eye by a healthcare professional.

94 services15 patients

Extended exam of the back part of the eye with optic nerve drawing 92202

This procedure involves a detailed examination of the back part of your eye, focusing on the optic nerve, a crucial component for vision. A drawing or map of the optic nerve is created to help track any changes over time. This can help detect eye diseases early.

76 services69 patients

Extended exam of the back part of the eye with retinal drawing 92201

This procedure involves a detailed examination of the back part of your eye, including the retina. It helps identify any abnormalities or issues. A retinal drawing is made to record findings. It's non-invasive and crucial for maintaining eye health.

39 services36 patients

Destruction of leaking blood vessels of retina using laser 67228

This procedure involves using a laser to treat leaking blood vessels in the retina, the part of the eye responsible for vision. The laser seals off these vessels, preventing further leakage and helping to preserve sight.

33 services22 patients

Photocoagulation treatment to prevent detachment of retina 67145

Photocoagulation is a procedure used to treat retinal disorders. A special laser is directed at the retina to create small burns. These burns form scar tissue which helps to secure the retina to the eye's wall, preventing detachment and preserving vision.

21 services19 patients

Removal of membrane of retina with removal of internal limiting membrane of retina 67042

This procedure involves the surgical removal of a thin layer, called the membrane, from the retina. It also includes the removal of the innermost layer of the retina, known as the internal limiting membrane. This can help improve vision.

20 services20 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92835 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. HEMA LASKHMI RAMKUMAR M.D.

Ophthalmology (Retina Specialist)

301 W BASTANCHURY RD STE 285
FULLERTON, CA 92835

Orange County (714) 738-4620

DR. IVAN JISOO LEE MD

Ophthalmology

301 W BASTANCHURY RD STE 285
FULLERTON, CA 92835

Orange County (714) 738-4620

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ash Pirouz's NPI number?

The NPI number for Ash Pirouz is 1942489356. It was assigned to this individual provider in the NPPES registry on November 1, 2007.

Where is Ash Pirouz located?

Ash Pirouz practices at 301 W Bastanchury Rd Ste 285, Fullerton, CA 92835. The listed phone number is (714) 738-4620.

What is Ash Pirouz's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Retina Specialist, with taxonomy code 207WX0107X.

Is Ash Pirouz enrolled in Medicare?

Yes. Ash Pirouz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Ash Pirouz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ash Pirouz reassigns Medicare benefits to 3 organizations: Retina Consultants Of Orange County, A Medical Corporation (Fullerton, CA), Aarchan Joshi, M.D. Inc (Redondo Beach, CA) and Regents Of The University Of California (San Diego, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ash Pirouz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ash Pirouz accept?

Health plans from Providence Health Plan list Ash Pirouz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ash Pirouz was last updated on March 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.