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

Mrs. Karen J. Richardson, APN

Individual provider Family Nurse Practitioner · NPI 1285600049

Mrs. Karen J. Richardson, APN is a Nurse Practitioner in Warren, Arkansas. Qualified in 1996, 30 years ago. Practices with Mainline Health Systems Inc, a 55-clinician group and accepts Medicare assignment. Licensed in Arkansas.

Years since qualifying
30
Licensed in
AR
In the registry since
2006
What do these letters mean?
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

See every abbreviation used in this directory →

Practice location Address checks out

1012 E Church St Ste A
Warren, AR 71671-3509
Phone: (870) 226-6754
Fax: (870) 226-7925
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence A01166 (AR)

Record details

NPI number1285600049
Entity typeIndividual (Type 1)
GenderFemale
Credentials APN
Sole proprietorNo
NPI enumeratedFebruary 23, 2006
Last updated in NPPESMarch 27, 2026
Certification dateMarch 27, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Mainline Health Systems Inc — 55 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Warren