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

Louann L Streff, PAC

Individual provider Physician Assistant · NPI 1740269265

Louann L Streff, PAC is a Physician Assistant in Clark, South Dakota. Qualified in 1990, 36 years ago. Practices with Sanford Medical Center, a 842-clinician group and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
36
Licensed in
SD
In the registry since
2006
What do these letters mean?
PAC — Physician Assistant, Certified
A physician assistant holding current national certification; usually written PA-C.

See every abbreviation used in this directory →

Practice location Address checks out

117 1st Ave W
Clark, SD 57225-1624
Phone: (605) 532-3676
Fax: (605) 532-5620
Show map & directions

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

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 0213 (SD)

Record details

NPI number1740269265
Entity typeIndividual (Type 1)
GenderFemale
Credentials PAC
Sole proprietorNo
NPI enumeratedJanuary 12, 2006
Last updated in NPPESJune 11, 2008
Mailing addressPo Box 5074, Sioux Falls, SD 57117-5074

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Group practice Sanford Medical Center — 842 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare