Quick answers
- Does Ramin Assadi accept Medicare assignment?
- Yes. Medicare's clinician data says Ramin Assadi 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 Ramin Assadi see?
- In 2024, CMS data shows 1,088 Original Medicare patients and 4,181 services for Ramin Assadi. This counts Original Medicare only and measures volume, not quality.
- What is Ramin Assadi's NPI number?
- 1942418793. 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 Ramin Assadi, 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 | 1,088 |
|---|---|
| Services billed to Medicare | 4,181 |
| Different services or procedures | 64 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)940 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)742 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)630 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)460 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)282 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%
- Arthritis66%
- Ischemic heart disease60%
- Diabetes48%
- Anxiety39%
Hospitals where Ramin Assadi works
Medicare's Facility Affiliation Data lists Ramin Assadi 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.
- Providence Cedars Sinai Tarzana Medical CenterTarzana, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050761
- 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
- UCLA West Valley Medical CenterWest Hills, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050481
Practice locations
Addresses where Ramin Assadi is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Moody Ct, Suite 200Thousand Oaks, CA 91360 (805) 418‑3500
- 6633 Telephone Rd, Suite 212Ventura, CA 93003 (805) 642‑8252
Group practices
Medicare enrollment lists Ramin Assadi as a member of this group (CMS data updated October 2, 2026).
- The Regents of the University of California1,462 clinicians in the group
Specialties
Find other Interventional Cardiology doctors in California →
Other interventional cardiologists in Thousand Oaks
Clinicians with the same Medicare primary specialty in Thousand Oaks, CA — not a recommendation.
Other clinicians in The Regents of the University of California
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 (25 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) | 1942418793 |
| 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