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

Lauren A O'Brien, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1447513379

Lauren A O'Brien, MD is an Obstetrics/Gynecology in Harrisburg, South Dakota. Qualified in 2012, 14 years ago. Practices with Sanford Medical Center, a 842-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Kansas and Minnesota.

Years since qualifying
14
Licensed in
KS, MN
In the registry since
2012
Specialties on file
2
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

111 N Cliff Ave
Harrisburg, SD 57032
Phone: (605) 213-9700
Show map & directions

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

Additional practice locations (1)

  • 300 S Bruce St, Marshall, MN 56258-1934 — (507) 537-9007

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 60848 (MN)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 9407914 (KS)

Record details

NPI number1447513379
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 15, 2012
Last updated in NPPESJanuary 17, 2023
Certification dateJanuary 12, 2023

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Sanford Medical Center — 842 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare