Mikael Horissian, MD

Medicare activity in 2024

Official CMS public-use data for Mikael Horissian, 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. Destruction of precancer skin growth, 2-14 growths (17003)368 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)305 services
3. Biopsy of related skin growth, first growth (11102)136 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)134 services
5. Destruction of precancer skin growth, 1 growth (17000)128 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 cholesterol74%
• High blood pressure67%
• Arthritis37%
• Diabetes26%
• Chronic kidney disease23%
• Anxiety21%

Hospitals where Mikael Horissian works

Medicare's Facility Affiliation Data lists Mikael Horissian 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.

• Geisinger Medical CenterDanville, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390006

Practice locations

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

• 16 Woodbine Lane, Geisinger OptometryDanville, PA 17822 (570) 271‑6531

Group practices

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

• Geisinger Clinic3,467 clinicians in the group

Specialties

• Dermatologyprimary

Find other Dermatology doctors in Pennsylvania →

Other dermatologists in Danville

Clinicians with the same Medicare primary specialty in Danville, PA — not a recommendation.

• Tammie C. Ferringer, MD
• Allen Strickler, MD
• Paul Long, MD
• Michael L. Ramsey, MD
• Amrit Greene, MD
• Megan O Donnell Cappelli, MD
• Christen M. Mowad, MD
• David J. Kurtyka, MD

All dermatologists in Danville →

Other clinicians in Geisinger Clinic

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

• Anthony J. Mazza, MD
• Carissa N. Pupo, CNA
• Afrah Talpur, MD
• Thomas D. Challman, MD
• Mark Jayanathan, MD
• Kevin Kucharski, 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