Arkady Hovssepian, DO

Hospitals where Arkady Hovssepian works

Medicare's Facility Affiliation Data lists Arkady Hovssepian 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.

• Antelope Valley HospitalLancaster, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050056

Practice locations

Addresses where Arkady Hovssepian is enrolled with Medicare (CMS data updated October 2, 2026).

• 1642 W Ave JLancaster, CA 93534 (661) 942‑8463
• 44215 15th St W, Suite 103Lancaster, CA 93534 (661) 948‑4429

Group practices

Medicare enrollment lists Arkady Hovssepian as a member of this group (CMS data updated October 2, 2026).

• Horizon Multicare Group Inc28 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Lancaster

Clinicians with the same Medicare primary specialty in Lancaster, CA — not a recommendation.

• Patrick Degregorio, MD
• Kanagaratnam Sivalingam, MD
• Russell Greif, DO
• Gyanesh Agrawal, MD
• Nanette C. Fonte, MD
• Shankar N. Hittalmani, MD
• Luis D. Cabrera, DO
• Ali E. Jafferi, MD

All internal medicine doctors in Lancaster →

Other clinicians in Horizon Multicare Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Atef Mousa, DO
• Xiao H. Wan, DO
• Pejman G. Mansourian, MD
• George Husari, DO
• Barsam Barsamian, DO
• Ferdinand J. Panoussi, DO

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
5. Medicare Care Compare — official Medicare tool to look up clinicians