CASSIE ELIZABETH DAVIS APRN-CNP
NPI 1548616295
Nurse Practitioner - Family in Stillwater, OK
About Cassie Elizabeth Davis Aprn-cnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASSIE ELIZABETH DAVIS APRN-CNP (NPI 1548616295) is an individual family provider in Stillwater, Oklahoma, licensed in Oklahoma (0104685) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Cassie Elizabeth Davis Aprn-cnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Cassie Davis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Edmond, OK 73034
- Reassigned Medicare billing, Oklahoma enrollment
- 5 clinicians in this Medicare group
Moore, OK 73160
- Reassigned Medicare billing, Oklahoma enrollment
- 83 clinicians in this Medicare group
Norman, OK 73071
- Reassigned Medicare billing, Oklahoma enrollment
- 418 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74074 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STILLWATER, OK 74074
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Cassie Davis's NPI number?
The NPI number for Cassie Davis is 1548616295. It was assigned to this individual provider in the NPPES registry on May 12, 2016. The provider is also known as Cassie Elizabeth Harper Aprn-Cnp.
Where is Cassie Davis located?
Cassie Davis practices at 1815 W 6th Ave, Stillwater, OK 74074. The listed phone number is (405) 743-7300.
What is Cassie Davis's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Cassie Davis enrolled in Medicare?
Yes. Cassie Davis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Cassie Davis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cassie Davis reassigns Medicare benefits to 3 organizations: Integrative Medical Solutions PLLC (Edmond, OK), Mercy Oklahoma Ambulatory Services LLC (Moore, OK) and Emergency Services Of Oklahoma PC (Norman, OK). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Cassie Davis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cassie Davis accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Cassie Davis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Cassie Davis was last updated on January 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Cassie Elizabeth Davis, APRN-CNP · NPI 1548616295
Family physician in Stillwater, Oklahoma. Individual provider, active in the CMS NPPES registry since May 12, 2016.
## Identity
- **NPI:** 1548616295 (Entity type: Individual)
- **Enumerated:** May 12, 2016
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 0104685 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 1815 W 6TH AVE, Stillwater, OK 74074-4202
- **Phone:** (405) 743-7300 · **Fax:** (405) 743-7398
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Integrative Medical Solutions PLLC (NPI 1144471129, Edmond, OK); Mercy Oklahoma Ambulatory Services LLC (NPI 1922509173, Moore, OK); Emergency Services Of Oklahoma PC (NPI 1215249891, Norman, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** January 20, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1548616295) · Data from the CMS NPPES public registry.