Quick answers
- Does Zahra Ghiasi accept Medicare assignment?
- Yes. Medicare's clinician data says Zahra Ghiasi accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Zahra Ghiasi see?
- In 2024, CMS data shows 407 Original Medicare patients and 2,427 services for Zahra Ghiasi. This counts Original Medicare only and measures volume, not quality.
- What is Zahra Ghiasi's NPI number?
- 1669520490. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Zahra Ghiasi, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 407 |
|---|---|
| Services billed to Medicare | 2,427 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient complete exam of visual system (92014)762 services
- Extended exam of the back part of the eye with optic nerve drawing (92202)749 services
- Imaging of retina (92134)304 services
- Imaging of optic nerve (92133)135 services
- Exam of visual field with extended testing (92083)114 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes44%
- Ischemic heart disease37%
- Osteoporosis30%
Practice locations
Addresses where Zahra Ghiasi is enrolled with Medicare (CMS data updated October 2, 2026).
- 113 Waterworks Way, Suite 245Irvine, CA 92618 (949) 777‑5970
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Irvine
Clinicians with the same Medicare primary specialty in Irvine, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1669520490 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians