Quick answers
- Does Sarkis Arabian accept Medicare assignment?
- Yes. Medicare's clinician data says Sarkis Arabian 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 Sarkis Arabian see?
- In 2024, CMS data shows 135 Original Medicare patients and 331 services for Sarkis Arabian. This counts Original Medicare only and measures volume, not quality.
- What is Sarkis Arabian's NPI number?
- 1336202266. 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 Sarkis Arabian, 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 | 135 |
|---|---|
| Services billed to Medicare | 331 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Critical care, first 30-74 minutes (99291)116 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)54 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)32 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)27 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)27 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 cholesterol72%
- Diabetes59%
- Heart failure59%
- Chronic kidney disease56%
- COPD44%
Hospitals where Sarkis Arabian works
Medicare's Facility Affiliation Data lists Sarkis Arabian 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.
- Arrowhead Regional Medical CenterColton, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050245
Practice locations
Addresses where Sarkis Arabian is enrolled with Medicare (CMS data updated October 2, 2026).
- 400 N Pepper AveColton, CA 92324 (909) 580‑1000
Group practices
Medicare enrollment lists Sarkis Arabian as a member of these groups (CMS data updated October 2, 2026).
- Quantum Healthcare Medical Associates Inc109 clinicians in the group
- Clinic Services of California Medical Group Inc61 clinicians in the group
Specialties
Other internal medicine doctors in Colton
Clinicians with the same Medicare primary specialty in Colton, CA — not a recommendation.
Other clinicians in Quantum Healthcare Medical Associates Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336202266 |
| 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