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

Dianna M. Mowdy

Individual provider Registered Nurse · NPI 1487111712

Dianna M. Mowdy is a Nurse Practitioner in Guymon, Oklahoma. Qualified in 2019, 7 years ago. Practices with Williams Medical Group Practice, LLC, a 207-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
7
Licensed in
OK
In the registry since
2019
Specialties on file
2

Practice location Address checks out

2215 N Highway 64
Guymon, OK 73942-2750
Phone: (580) 754-2280
Fax: (580) 754-2281
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 F09191729 (OK)
Registered Nurse Taxonomy 163W00000X · Licence R0117737 (OK)

Record details

NPI number1487111712
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedFebruary 22, 2019
Last updated in NPPESMarch 13, 2026
Certification dateMarch 13, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Williams Medical Group Practice, Llc — 207 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Guymon