Ferdinand J. Panoussi, DO

Medicare activity in 2024

Official CMS public-use data for Ferdinand J. Panoussi, 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.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)1,796 services
2. Hospital discharge day management, more than 30 minutes (99239)283 services
3. Advance care planning, first 30 minutes (99497)171 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)138 services
5. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)80 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%
• Arthritis62%
• Diabetes59%
• COPD44%
• Ischemic heart disease43%

Hospitals where Ferdinand J. Panoussi works

Medicare's Facility Affiliation Data lists Ferdinand J. Panoussi 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
• Henry Mayo Newhall HospitalValencia, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050624
• Palmdale Regional Medical CenterPalmdale, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050204

Practice locations

Addresses where Ferdinand J. Panoussi is enrolled with Medicare (CMS data updated October 2, 2026).

• 44215 15th St W, Suite 103Lancaster, CA 93534 (661) 948‑4429
• 44567 15th St WLancaster, CA 93534 (661) 949‑5524

Group practices

Medicare enrollment lists Ferdinand J. Panoussi as a member of these groups (CMS data updated October 2, 2026).

• Horizon Multicare Group Inc28 clinicians in the group
• Unified Health Associates11 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.

• Charles M. Lim, MD
• Montreh Tavakkoli, MD
• Hussam Eskandafi, DO
• Elias S. Ballat, DO
• Moneer J. Eddin, MD
• Hany Abdel-Messeh, MD
• Arkady Hovssepian, DO
• Shankar N. Hittalmani, 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.

• Hussam Eskandafi, DO
• Elias S. Ballat, DO
• Hany Abdel-Messeh, MD
• Arkady Hovssepian, DO
• Pejman G. Mansourian, MD
• Barsam Barsamian, 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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians