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

William F Waltz, MD

Individual provider Pediatrics Physician · NPI 1649226986

William F Waltz, MD is a Pediatric Medicine in Sioux Falls, South Dakota. Graduated from University of Minnesota Medical School in 1993, 33 years ago. Practices with Sanford Clinic, a 273-clinician group and accepts Medicare assignment. Licensed in Iowa, Minnesota and South Dakota.

Years since qualifying
33
Trained at
University of Minnesota Medical School
Licensed in
IA, MN, SD
In the registry since
2006
Specialties on file
3
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

1600 W 22nd St
Sioux Falls, SD 57105-1521
Phone: (605) 312-1000
Fax: (605) 312-1001
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Cardiology Physician (primary) Taxonomy 2080P0202X · Licence 4079 (SD)
Pediatrics Physician Taxonomy 208000000X · Licence 35917 (IA)
Pediatrics Physician Taxonomy 208000000X · Licence 47589 (MN)

Record details

NPI number1649226986
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 26, 2006
Last updated in NPPESMarch 31, 2022
Certification dateMarch 31, 2022

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 1993 (33 years in practice)
Group practice Sanford Clinic — 273 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Sioux Falls