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

Individual provider Internal Medicine Physician · NPI 1144221938

Gregory L Geise, MD is an Internal Medicine in Sioux Falls, South Dakota. Graduated from Baylor College of Medicine in 1985, 41 years ago. Practices with Ridgeview Medical Center, a 406-clinician group and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
41
Trained at
Baylor College of Medicine
Licensed in
SD
In the registry since
2005
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

1305 W 18th St
Sioux Falls, SD 57105-0401
Phone: (605) 328-4973
Fax: (605) 328-1295
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 2769 (SD)

Record details

NPI number1144221938
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 3, 2005
Last updated in NPPESMay 8, 2008

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolBAYLOR COLLEGE OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Ridgeview Medical Center — 406 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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