Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. THEOPHILUS BORKETEY BORTIER MD
NPI 1861141939
Internal Medicine in Yankton, SD

Q: What is Theophilus Bortier's NPI number?

The NPI number for Theophilus Bortier is 1861141939. It was assigned to this individual provider in the NPPES registry on March 23, 2022.

Q: What is Theophilus Bortier's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since March 23, 2022

501 SUMMIT ST, YANKTON, SD 57078(605) 668-8000(605) 665-0170 Get Directions Write a Review

NPPES record last updated: July 20, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Theophilus Borketey Bortier Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THEOPHILUS BORKETEY BORTIER MD (NPI 1861141939) is an individual internal medicine provider in Yankton, South Dakota, licensed in South Dakota (18263) and active in the NPI registry since March 2022.

NPPES Registry Identity

NPI1861141939

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. THEOPHILUS BORKETEY BORTIERCredential: MD

Location Address501 SUMMIT STYankton, SD 57078-3855

Mailing Address501 Summit StYankton, SD 57078-3855 · (605) 668-8000 · Fax (605) 665-0170

Phone(605) 668-8000

Fax(605) 665-0170

Sole ProprietorNo

Enumeration DateMarch 23, 2022

Last NPPES UpdateJuly 20, 2026

NPPES CertifiedJuly 20, 2026

✔ NPI 1861141939 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in SD · 18263

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

501 SUMMIT ST, Yankton, SD 57078

Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MEGAN KLENTZ

Nurse Anesthetist, Certified Registered