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

Jan K. Siebersma, MD

Individual provider Gynecology Physician · NPI 1952303216

Jan K. Siebersma, MD is an Obstetrics/Gynecology in Lander, Wyoming. Graduated from University of Iowa, Rj & L Carver College of Medicine in 1983, 43 years ago. Practices with Lander Medical Clinic PC, an 18-clinician group and accepts Medicare assignment. Licensed in New Mexico and Wyoming.

Years since qualifying
43
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
NM, WY
In the registry since
2005
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

745 Buena Vista Dr
Lander, WY 82520-3431
Phone: (307) 332-2941
Fax: (307) 332-1920
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 8076A (WY)
Gynecology Physician Taxonomy 207VG0400X · Licence 92-345 (NM)

Record details

NPI number1952303216
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 1, 2005
Last updated in NPPESJune 15, 2015

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Lander Medical Clinic Pc — 18 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount