Merlene V. Horan, MD

Practice locations

Addresses where Merlene V. Horan is enrolled with Medicare (CMS data updated October 2, 2026).

• 1145 19th St NW, 311 Mmg at 19th Street NWWashington, DC 20036 (202) 429‑2401
• 5454 Wisconsin AveChevy Chase, MD 20815 (877) 677‑3627
• 5454 Wisconsin Ave, Suite 1265Chevy Chase, MD 20815 (301) 215‑9420

Group practices

Medicare enrollment lists Merlene V. Horan as a member of this group (CMS data updated October 2, 2026).

• MedStar Medical Group II LLC3,767 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in District of Columbia →

Other family doctors in Washington

Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.

• Prashant Yamajala, MD
• Stephanie Rush, DO
• Lelai Ricks
• Keisha Robinson, DO
• Minerva Andre, DO
• Laura Blinkhorn, MD
• Gita Agarwal, MD
• Beryl K. Kompancaril, MD

All family doctors in Washington →

Other clinicians in MedStar Medical Group II LLC

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

• Namrata Singhania, MD
• Dhiraj Jagasia, MD
• Randall A. Vucelik, PA
• Nicole M. Sakla, DO
• Farah Tabaja, MD
• Sharad Agrawal, MD

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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
3. Medicare Care Compare — official Medicare tool to look up clinicians