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 / MN

JOANNA D TWOMBLY

OBSTETRICS/GYNECOLOGY

Graduated: 2008

Also: OSTEOPATHIC MANIPULATIVE MEDICINE

NPI: 1780857284

Practice Locations (6)

MAYO CLINIC HEALTH SYSTEM-SOUTHEAST MINNESOTA REGION

1000 1ST DR NW

AUSTIN, MN 559122941

5074337351

CITIZENS MEMORIAL HEALTHCARE

BOLIVAR, MO 65613

4173286631

CITIZENS MEMORIAL HEALTHCARE

1500 N OAKLAND

BOLIVAR, MO 656133011

CITIZENS MEMORIAL HEALTHCARE

1500 N OAKLAND AVE

BOLIVAR, MO 656133099

4173286040

CITIZENS MEMORIAL HEALTHCARE

1500 N OAKLAND AVE, CMH DIABETES

BOLIVAR, MO 656133099

4173286040

LAKE REGIONAL HEALTH SYSTEM

54 HOSPITAL DR

OSAGE BEACH, MO 650653050

Source: CMS National Downloadable File, September 2026.