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

William A Rizk, MD

Individual provider Surgery Physician · NPI 1659347128

William A Rizk, MD is a General Surgery in Dakota Dunes, South Dakota. Graduated from Sanford School of Medicine of University of South Dakota in 1994, 32 years ago. Practices with Cass County Memorial Hospital, a 67-clinician group and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
32
Trained at
Sanford School of Medicine of University of South Dakota
Licensed in
SD
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

705 Sioux Point Rd Ste 100
Dakota Dunes, SD 57049-5091
Phone: (605) 217-5500
Fax: (605) 217-5515
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 4638 (SD)

Record details

NPI number1659347128
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 24, 2006
Last updated in NPPESMay 21, 2010
Mailing address705 Sioux Point Rd, Suite 100, Dakota Dunes, SD 57049-5091

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolSANFORD SCHOOL OF MEDICINE OF UNIVERSITY OF SOUTH DAKOTA
Graduated 1994 (32 years in practice)
Group practice Cass County Memorial Hospital — 67 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Dakota Dunes