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

Lillah Grinnell, NP

Individual provider Nurse Practitioner · NPI 1629336979

Lillah Grinnell, NP is a Nurse Practitioner in Cheyenne, Wyoming. Qualified in 2011, 15 years ago. Practices with Memorial Hospital of Laramie County, a 49-clinician group and accepts Medicare assignment. Licensed in Colorado and Wyoming.

Years since qualifying
15
Licensed in
CO, WY
In the registry since
2012
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2600 E 18th St
Cheyenne, WY 82001-5511
Phone: (307) 634-2273
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 44363 (WY)
Nurse Practitioner Taxonomy 363L00000X · Licence 990372 (CO)

Record details

NPI number1629336979
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedApril 24, 2012
Last updated in NPPESApril 10, 2025
Certification dateApril 10, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Memorial Hospital Of Laramie County — 49 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Cheyenne