Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Eric S Cassidy, MD

Individual provider Emergency Medicine Physician · NPI 1982647830

Eric S Cassidy, MD is an Emergency Medicine in Twin Falls, Idaho. Graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1997, 29 years ago. Practices with St Lukes Clinic LLC, a 310-clinician group and accepts Medicare assignment. Licensed in Idaho.

Years since qualifying
29
Trained at
At Still University of Health Sciences, College of Osteo Med, Kirksville
Licensed in
ID
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

650 Addison Ave W
Twin Falls, ID 83301-5444
Phone: (208) 732-3429
Fax: (208) 732-3220
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence O-235 (ID)

Record details

NPI number1982647830
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 14, 2006
Last updated in NPPESJuly 13, 2026
Mailing addressPo Box 409, Twin Falls, ID 83303-0409

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolAT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Graduated 1997 (29 years in practice)
Group practice St Lukes Clinic Llc — 310 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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