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

Alan Brevik, MD

Individual provider Psychiatry Physician · NPI 1750364113

Alan Brevik, MD is a Psychiatry in Yankton, South Dakota. Graduated from Sanford School of Medicine of University of South Dakota in 1963, 63 years ago. Practices with Lewis and Clark Behavioral Health Services Inc, an 11-clinician group and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
63
Trained at
Sanford School of Medicine of University of South Dakota
Licensed in
SD
In the registry since
2005
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

1028 Walnut Lewis & Clark Bhs
Yankton, SD 57078
Phone: (605) 665-4606
Fax: (605) 665-4673
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 618 (SD)

Record details

NPI number1750364113
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 21, 2005
Last updated in NPPESNovember 30, 2011
Mailing address1028 Walnut, Yankton, SD 57078

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolSANFORD SCHOOL OF MEDICINE OF UNIVERSITY OF SOUTH DAKOTA
Graduated 1963 (63 years in practice)
Group practice Lewis And Clark Behavioral Health Services Inc — 11 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Yankton