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

Janelle D Williamson, APRN

Individual provider Nurse Practitioner · NPI 1386812642

Janelle D Williamson, APRN is a Nurse Practitioner in Topeka, Kansas. Qualified in 2007, 19 years ago. Practices with Cotton-O'Neil Clinic Revocable Trust, a 658-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Kansas.

Years since qualifying
19
Licensed in
KS
In the registry since
2008
Specialties on file
2
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.

See every abbreviation used in this directory →

Practice location Address checks out

830 SW Mulvane St
Topeka, KS 66606-1654
Phone: (785) 354-6992
Fax: (785) 354-6122
Show map & directions

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

Additional practice locations (1)

  • 1500 Sw 10th Ave, Topeka, KS 66604-1301 — (785) 354-6000

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 53-46157 (KS)
Adult Health Nurse Practitioner Taxonomy 363LA2200X · Licence 53-46157 (KS)

Record details

NPI number1386812642
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN
Sole proprietorNo
NPI enumeratedFebruary 20, 2008
Last updated in NPPESDecember 2, 2025
Certification dateDecember 2, 2025
Mailing address830 Sw Mulvane St, Topeka, KS 66606-1654

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Cotton-O'Neil Clinic Revocable Trust — 658 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Topeka