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 / MO

WILLIAM L TSCHANNEN, PA

PHYSICIAN ASSISTANT

Graduated: 2020

Offers telehealth

NPI: 1427651967

Practice Locations (3)

GENERAL JOHN J PERSHING MEMORIAL HOSPITAL ASSOCIATION

130 E LOCKLING ST

BROOKFIELD, MO 646282337

PHYSICIAN GROUPS LC

2630 HWY K

O FALLON, MO 633686624

6362405454

PHYSICIAN GROUPS LC

3009 N BALLAS RD

SAINT LOUIS, MO 631312322

Source: CMS National Downloadable File, September 2026.