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

Mary Marlo Burk, APRN

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1245105931

Mary Marlo Burk, APRN is a Nurse Practitioner in Guthrie, Oklahoma. Qualified in 2025, 1 year ago. Practices with Williams Medical Group Practice, LLC, a 207-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
1
Licensed in
OK
In the registry since
2025
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

1201 S Division St
Guthrie, OK 73044-5021
Phone: (405) 293-4504
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 225944 (OK)

Record details

NPI number1245105931
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN
Sole proprietorYes
NPI enumeratedOctober 10, 2025
Last updated in NPPESOctober 10, 2025
Certification dateOctober 10, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Williams Medical Group Practice, Llc — 207 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount