Quick answers
- Does Amir A. Fassihi accept Medicare assignment?
- Yes. Medicare's clinician data says Amir A. Fassihi 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 Amir A. Fassihi see?
- In 2024, CMS data shows 1,735 Original Medicare patients and 2,783 services for Amir A. Fassihi. This counts Original Medicare only and measures volume, not quality.
- What is Amir A. Fassihi's NPI number?
- 1225053036. 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 Amir A. Fassihi, 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 | 1,735 |
|---|---|
| Services billed to Medicare | 2,783 |
| Different services or procedures | 110 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Ct scan head or brain without contrast (70450)535 services
- X-ray of chest, 1 view (71045)330 services
- Ct scan of abdomen and pelvis with contrast (74177)260 services
- Ct scan of upper spine without contrast (72125)186 services
- Ct scan of blood vessels of head with contrast (70496)128 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%
- Arthritis59%
- Diabetes48%
- Chronic kidney disease45%
- Ischemic heart disease44%
Hospitals where Amir A. Fassihi works
Medicare's Facility Affiliation Data lists Amir A. Fassihi at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Hudson Valley Hospital CenterCortlandt Manor, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330267
- Jefferson Stratford HospitalStratford, NJ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 310086
- Phoebe Putney Memorial HospitalAlbany, GA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 110007
- SGMC HealthValdosta, GA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 110122
- Willis Knighton Medical Center, IncShreveport, LA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 190111
Practice locations
Addresses where Amir A. Fassihi is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 116 N Dianthus StManhattan Beach, CA 90266 · Red River Consultants Inc (318) 212‑4550
- 25 Silver CresIrvine, CA 92603 · Red River Consultants Inc (318) 212‑4550
- 34 ArcadeIrvine, CA 92603 · Georgia Magnetic Imaging Center Ltd (469) 757‑1107
- 38 Camino RealRancho Mirage, CA 92270 (814) 723‑4973
- 4434 Bellingham AveStudio City, CA 91604 (404) 851‑6577
Group practices
Medicare enrollment lists Amir A. Fassihi as a member of these groups (CMS data updated October 2, 2026).
- Geisinger Clinic3,467 clinicians in the group
- Singleton Associates PA838 clinicians in the group
- Northside Radiology Associates LLC385 clinicians in the group
- Palm Desert Radiology Medical Group Inc125 clinicians in the group
- Warren General Hospital106 clinicians in the group
- Radiology Associates of Macon PC64 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Manhattan Beach
Clinicians with the same Medicare primary specialty in Manhattan Beach, CA — not a recommendation.
Other clinicians in Geisinger Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Francisco School Of Medicine |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225053036 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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