CASSIE LYNN GREEN APRN,FNP-BC
NPI 1235074774
Nurse Practitioner in Muskogee, OK
About Cassie Lynn Green Aprn,fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASSIE LYNN GREEN APRN,FNP-BC (NPI 1235074774) is an individual nurse practitioner in Muskogee, Oklahoma, licensed in Oklahoma (2026022752) and active in the NPI registry since April 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses
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 Lynn Green Aprn,fnp-bc 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 Reassignment
Medicare enrollment records show Cassie Green reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lawton, OK 73505
- Reassigned Medicare billing, Oklahoma enrollment
- 249 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MUSKOGEE, OK 74403
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 Green's NPI number?
The NPI number for Cassie Green is 1235074774. It was assigned to this individual provider in the NPPES registry on April 21, 2026.
Where is Cassie Green located?
Cassie Green practices at 2525 Chandler Rd, Muskogee, OK 74403. The listed phone number is (918) 681-7533.
What is Cassie Green's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Cassie Green enrolled in Medicare?
Yes. Cassie Green 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 organization bills Medicare for Cassie Green's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cassie Green reassigns Medicare benefits to Williams Medical Group Practice, LLC (Lawton, OK). The 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 Green's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cassie Green accept?
Health plans from Blue Cross and Blue Shield of Oklahoma list Cassie Green 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 Green was last updated on May 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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 Lynn Green, APRN,FNP-BC · NPI 1235074774
Nurse Practitioner physician in Muskogee, Oklahoma. Individual provider, active in the CMS NPPES registry since April 21, 2026.
## Identity
- **NPI:** 1235074774 (Entity type: Individual)
- **Enumerated:** April 21, 2026
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 2026022752 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 2525 CHANDLER RD, Muskogee, OK 74403-5088
- **Phone:** (918) 681-7533
## 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:** Williams Medical Group Practice, LLC (NPI 1346608809, Lawton, OK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** May 7, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1235074774) · Data from the CMS NPPES public registry.