HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / PA

MARK DOUGLAS HANNAN, CH

CHIROPRACTIC

Graduated: 1993

NPI: 1285844746

Practice Locations (1)

306 ROUTE 87 HWY

MONTOURSVILLE, PA 177547632

Source: CMS National Downloadable File, September 2026.

MARK HANNAN, CH | HealthCareAtlasUSA