Quick answers
- Does Hajir Dadgostar accept Medicare assignment?
- Yes. Medicare's clinician data says Hajir Dadgostar 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 Hajir Dadgostar see?
- In 2024, CMS data shows 848 Original Medicare patients and 34,877 services for Hajir Dadgostar. This counts Original Medicare only and measures volume, not quality.
- What is Hajir Dadgostar's NPI number?
- 1144427568. 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 Hajir Dadgostar, 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 | 848 |
|---|---|
| Services billed to Medicare | 34,877 |
| Different services or procedures | 46 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Injection, faricimab-svoa, 0.1 mg (J2777)20,100 services
- Imaging of retina (92134)2,283 services
- Injection of drug into eye (67028)1,300 services
- Injection, avacincaptad pegol, 0.1 mg (J2782)1,220 services
- Injection, ranibizumab, 0.1 mg (J2778)1,090 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%
- Arthritis54%
- Ischemic heart disease39%
- Diabetes36%
- Osteoporosis24%
Practice locations
Addresses where Hajir Dadgostar is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 E Thousand Oaks Blvd, Suite 112Thousand Oaks, CA 91360 (805) 409‑0909
- 16500 Ventura Blvd, Suite 250Encino, CA 91436 (818) 788‑9333
- 2021 Santa Monica Blvd, Suite 720eSanta Monica, CA 90404
Group practices
Medicare enrollment lists Hajir Dadgostar as a member of this group (CMS data updated October 2, 2026).
- The Retina Partners6 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Thousand Oaks
Clinicians with the same Medicare primary specialty in Thousand Oaks, CA — not a recommendation.
Other clinicians in The Retina Partners
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Medical school | University Of California, Geffen School Of Medicine |
|---|---|
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144427568 |
| 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