Quick answers
- Does Reza Jahan accept Medicare assignment?
- Yes. Medicare's clinician data says Reza Jahan 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 Reza Jahan see?
- In 2024, CMS data shows 97 Original Medicare patients and 236 services for Reza Jahan. This counts Original Medicare only and measures volume, not quality.
- What is Reza Jahan's NPI number?
- 1558304774. 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 Reza Jahan, 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 | 97 |
|---|---|
| Services billed to Medicare | 236 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Telephone medical discussion with physician, 21-30 minutes (99443)57 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)17 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)15 services
- Insertion of tube into intracranial artery for diagnosis or treatment with review by radiologist (36223)11 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)11 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%
- Arthritis60%
- Stroke or mini-stroke46%
- Depression40%
- Anxiety37%
Hospitals where Reza Jahan works
Medicare's Facility Affiliation Data lists Reza Jahan 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.
- Memorialcare Long Beach Medical CenterLong Beach, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050485
- Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050262
- Santa Monica - UCLA Medical Center & Orthopaedic HospitalSanta Monica, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050112
Practice locations
Addresses where Reza Jahan is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.
- 100 Medical PlazaLos Angeles, CA 90095 (310) 301‑6800
- 100 Medical Plaza, Suite 170Los Angeles, CA 90095 (310) 319‑1234
- 200 Medical PlazaLos Angeles, CA 90095 (310) 301‑6800
- 2801 Atlantic AveLong Beach, CA 90806 (562) 933‑1554
- 2865 Atlantic Ave, Suite 104Long Beach, CA 90806 (562) 933‑1820
Group practices
Medicare enrollment lists Reza Jahan as a member of these groups (CMS data updated October 2, 2026).
- Memorialcare Medical Foundation566 clinicians in the group
- UCLA Radiology Medical Group202 clinicians in the group
Specialties
- Interventional Radiologyprimary
- Diagnostic Radiologyalso
Other interventional radiologists in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Other clinicians in Memorialcare Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1558304774 |
| 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