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

Dr. Timothy Lee Irwin, MD

Individual provider Cardiovascular Disease Physician · NPI 1063622801

Dr. Timothy Lee Irwin, MD is a Cardiovascular Disease (Cardiology) in Yankton, South Dakota. Graduated from University of Iowa, Rj & L Carver College of Medicine in 2005, 21 years ago. Practices with Yankton Medical Clinic PC, a 59-clinician group and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
21
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
SD
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1104 W 8th St
Yankton, SD 57078-3306
Phone: (605) 665-7841
Fax: (605) 665-0546
Show map & directions

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

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 8218 (SD)

Record details

NPI number1063622801
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 23, 2007
Last updated in NPPESMay 19, 2022
Certification dateJune 26, 2020
Mailing address1104 W 8th St, Yankton, SD 57078-3306

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Yankton Medical Clinic Pc — 59 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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