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

CYNTHIA S SHELLHAAS, MD

OBSTETRICS/GYNECOLOGY

Medical school: NORTHEASTERN OHIO UNIVERSITY COLLEGE OF MEDICINE

Graduated: 1988

NPI: 1720042245

Practice Locations (8)

OSU OBSERVATION MEDICINE, LLC

543 TAYLOR AVE

COLUMBUS, OH 432031278

6142938487

OSU OBSERVATION MEDICINE, LLC

1800 ZOLLINGER RD

COLUMBUS, OH 432212849

6142932222

OSU OBSERVATION MEDICINE, LLC

410 W 10TH AVE

COLUMBUS, OH 432101240

6142938487

OSU OBSERVATION MEDICINE, LLC

410 W 10TH AVE, DOAN 110

COLUMBUS, OH 432101240

OSU OBSERVATION MEDICINE, LLC

450 W 10TH AVE

COLUMBUS, OH 432101240

6142938000

OSU OBSERVATION MEDICINE, LLC

452 W 10TH AVE

COLUMBUS, OH 432101240

6142938487

OSU OBSERVATION MEDICINE, LLC

460 W 10TH AVE

COLUMBUS, OH 432101240

6142938487

ADENA MEDICAL GROUP LLC

100 INDIAN RIDGE DR

PIKETON, OH 456619654

7402891548

Source: CMS National Downloadable File, September 2026.