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

Benjamin Lancaster, MD

Individual provider Orthopaedic Surgery Physician · NPI 1134649239

Benjamin Lancaster, MD is an Orthopedic Surgery in Yankton, South Dakota. Graduated from Sanford School of Medicine of University of South Dakota in 2017, 9 years ago. Practices with Yankton Medical Clinic PC, a 59-clinician group and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
9
Trained at
Sanford School of Medicine of University of South Dakota
Licensed in
SD
In the registry since
2017
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

1104 W 8th St
Yankton, SD 57078-3306
Phone: (605) 665-7841
Fax: (605) 665-8337
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 13820 (SD)

Record details

NPI number1134649239
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2017
Last updated in NPPESJuly 10, 2025
Certification dateJuly 10, 2025
Mailing address1104 W 8th St, Yankton, SD 57078-3306

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolSANFORD SCHOOL OF MEDICINE OF UNIVERSITY OF SOUTH DAKOTA
Graduated 2017 (9 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

Other providers in Yankton