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

Ryan K Nowak, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1265691133

Ryan K Nowak, MD is a Radiation Oncology in Sioux Falls, South Dakota. Graduated from University of Connecticut School of Medicine in 2008, 18 years ago. Practices with Sanford Clinic, a 273-clinician group and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
18
Trained at
University of Connecticut School of Medicine
Licensed in
SD
In the registry since
2008
Specialties on file
2
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

1309 W 17th St
Sioux Falls, SD 57104-4663
Phone: (605) 328-6001
Fax: (605) 328-6045
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 9128 (SD)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1265691133
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 5, 2008
Last updated in NPPESAugust 26, 2014

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolUNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Sanford Clinic — 273 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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