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

Dr. Theophilus Borketey Bortier, MD

Individual provider Internal Medicine Physician · NPI 1861141939

Dr. Theophilus Borketey Bortier, MD is an Internal Medicine Physician in Yankton, South Dakota. Licensed in South Dakota. Registered with an NPI since 2022.

Licensed in
SD
In the registry since
2022
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

501 Summit St
Yankton, SD 57078-3855
Phone: (605) 668-8000
Fax: (605) 665-0170
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 18263 (SD)

Record details

NPI number1861141939
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 23, 2022
Last updated in NPPESJuly 20, 2026
Certification dateJuly 20, 2026

Other providers in Yankton