Quick answers
- Does Sarmen V. Sarkissian accept Medicare assignment?
- Yes. Medicare's clinician data says Sarmen V. Sarkissian 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 Sarmen V. Sarkissian see?
- In 2024, CMS data shows 204 Original Medicare patients and 2,809 services for Sarmen V. Sarkissian. This counts Original Medicare only and measures volume, not quality.
- What is Sarmen V. Sarkissian's NPI number?
- 1215201058. 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 Sarmen V. Sarkissian, 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 | 204 |
|---|---|
| Services billed to Medicare | 2,809 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)638 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)156 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)137 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)30 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)20 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 cholesterol66%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)46%
- Diabetes45%
- Arthritis45%
- Anxiety30%
Hospitals where Sarmen V. Sarkissian works
Medicare's Facility Affiliation Data lists Sarmen V. Sarkissian 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.
- Adventist Health Simi ValleySimi Valley, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050236
- Community Memorial Hospital - VenturaVentura, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050394
- Ventura County Medical CenterVentura, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050159
Practice locations
Addresses where Sarmen V. Sarkissian is enrolled with Medicare (CMS data updated October 2, 2026).
- 11550 Indian Hills Rd, Suite 360Mission Hills, CA 91345 (818) 296‑9477
- 2900 Loma Vista Rd, Suite 205Ventura, CA 93003 (805) 642‑4830
- 300 Hillmont AveVentura, CA 93003 (805) 652‑6000
Group practices
Medicare enrollment lists Sarmen V. Sarkissian as a member of these groups (CMS data updated October 2, 2026).
- County of Ventura344 clinicians in the group
- Community Memorial Health System185 clinicians in the group
- The Oncology Institute Ca, a Professional Corporation113 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Mission Hills
Clinicians with the same Medicare primary specialty in Mission Hills, CA — not a recommendation.
Other clinicians in County of Ventura
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Diego School Of Medicine |
| Graduation year | 2011 (15 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) | 1215201058 |
| 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