CHRISTY WALKER FNP
NPI 1437527223
Nurse Practitioner in Los Angeles, CA
About Christy Walker Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTY WALKER FNP (NPI 1437527223) is an individual nurse practitioner in Los Angeles, California, licensed in California (95015414) and active in the NPI registry since September 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2015).
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
Christy Walker Fnp 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
4Medicare enrollment records show Christy Walker reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Frisco, TX 75034
- Reassigned Medicare billing, Texas enrollment
- 35 clinicians in this Medicare group
Dallas, TX 75230
- Reassigned Medicare billing, Texas enrollment
- 55 clinicians in this Medicare group
Dallas, TX 75209
- Reassigned Medicare billing, Texas enrollment
- 66 clinicians in this Medicare group
Dallas, TX 75246
- Reassigned Medicare billing, Texas enrollment
- 1,044 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 90073 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90073
LOS ANGELES, CA 90073
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 Christy Walker's NPI number?
The NPI number for Christy Walker is 1437527223. It was assigned to this individual provider in the NPPES registry on September 10, 2015.
Where is Christy Walker located?
Christy Walker practices at 11301 Wilshire Blvd, Los Angeles, CA 90073. The listed phone number is (940) 391-7201.
What is Christy Walker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Christy Walker enrolled in Medicare?
Yes. Christy Walker 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 Christy Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christy Walker reassigns Medicare benefits to 4 organizations: Innovative Emergency Physicians Of Frisco, PA (Frisco, TX), Citydoc Urgent Care Center 3, PLLC (Dallas, TX), Citydoc Urgent Care Center 2, PLLC (Dallas, TX) and Century Integrated Partners, Inc (Dallas, 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 Christy Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christy Walker accept?
Health plans from Blue Cross and Blue Shield of Texas list Christy Walker 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 Christy Walker was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Christy Walker, FNP · NPI 1437527223
Nurse Practitioner physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since September 10, 2015.
## Identity
- **NPI:** 1437527223 (Entity type: Individual)
- **Enumerated:** September 10, 2015
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 95015414 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 11301 WILSHIRE BLVD, Los Angeles, CA 90073-1003
- **Phone:** (940) 391-7201
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Innovative Emergency Physicians Of Frisco, PA (NPI 1871832188, Frisco, TX); Citydoc Urgent Care Center 3, PLLC (NPI 1619237401, Dallas, TX); Citydoc Urgent Care Center 2, PLLC (NPI 1003044942, Dallas, TX); Century Integrated Partners, Inc (NPI 1447615711, Dallas, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** March 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1437527223) · Data from the CMS NPPES public registry.