CHRISTINA LEE WILLIAMSON FNP-BC
NPI 1255038121
Nurse Practitioner in Altus, OK
About Christina Lee Williamson Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTINA LEE WILLIAMSON FNP-BC (NPI 1255038121) is an individual nurse practitioner in Altus, Oklahoma, licensed in Oklahoma (10013975) and active in the NPI registry since February 2023. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Christina Lee Williamson 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 Reassignments
3Medicare enrollment records show Christina Williamson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lawton, OK 73505
- Reassigned Medicare billing, Oklahoma enrollment
- 249 clinicians in this Medicare group
Lawton, OK 73505
- Reassigned Medicare billing, Oklahoma enrollment
- 41 clinicians in this Medicare group
Breckenridge, TX 76424
- Reassigned Medicare billing, Texas enrollment
- 22 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 73521 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Christina Williamson's NPI number?
The NPI number for Christina Williamson is 1255038121. It was assigned to this individual provider in the NPPES registry on February 13, 2023.
Where is Christina Williamson located?
Christina Williamson practices at 1604 N Main St Ste 100, Altus, OK 73521. The listed phone number is (580) 482-0721.
What is Christina Williamson's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Christina Williamson enrolled in Medicare?
Yes. Christina Williamson 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 Christina Williamson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christina Williamson reassigns Medicare benefits to 3 organizations: Williams Medical Group Practice, LLC (Lawton, OK), Elite Hospital Partners Of Oklahoma (Lawton, OK) and Stephens Memorial Hospital District (Breckenridge, TX). 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 Christina Williamson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christina Williamson accept?
Health plans from Blue Cross and Blue Shield of Oklahoma list Christina Williamson 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 Christina Williamson was last updated on June 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Christina Lee Williamson, FNP-BC · NPI 1255038121
Nurse Practitioner physician in Altus, Oklahoma. Individual provider, active in the CMS NPPES registry since February 13, 2023.
## Identity
- **NPI:** 1255038121 (Entity type: Individual)
- **Enumerated:** February 13, 2023
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 10013975 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 1604 N MAIN ST STE 100, Altus, OK 73521-2145
- **Phone:** (580) 482-0721
## 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): Williams Medical Group Practice, LLC (NPI 1346608809, Lawton, OK); Elite Hospital Partners Of Oklahoma (NPI 1154104404, Lawton, OK); Stephens Memorial Hospital District (NPI 1336560382, Breckenridge, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** June 10, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1255038121) · Data from the CMS NPPES public registry.