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 / OH

MARK J NELLENBACH, PA

PHYSICIAN ASSISTANT

Graduated: 2018

NPI: 1699258244

Practice Locations (1)

CLEVELAND CLINIC

1000 E WASHINGTON ST

MEDINA, OH 442562167

2164421270

Source: CMS National Downloadable File, September 2026.

MARK NELLENBACH, PA | HealthCareAtlasUSA