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

Mary Ellen Williams, NP-C

Individual provider Nurse Practitioner · NPI 1972803013

Mary Ellen Williams, NP-C is a Nurse Practitioner in Casper, Wyoming. Licensed in Wyoming. Registered with an NPI since 2010.

Licensed in
WY
In the registry since
2010
What do these letters mean?
NP-C — Nurse Practitioner, Certified
A nurse practitioner certified by the AANP.

See every abbreviation used in this directory →

Practice location Address checks out

1416 E A St S 101
Casper, WY 82601-2276
Phone: (307) 577-8600
Fax: (307) 577-8605
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 8993-1079 (WY)

Record details

NPI number1972803013
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP-C
Sole proprietorNo
NPI enumeratedOctober 22, 2010
Last updated in NPPESNovember 15, 2010

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