JOHN CALEB WALKER PMHNP
NPI 1275186843
Nurse Practitioner - Psychiatric/Mental Health in Laughlin Afb, TX
About John Caleb Walker Pmhnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN CALEB WALKER PMHNP (NPI 1275186843) is an individual psychiatric/mental health provider in Laughlin Afb, Texas, licensed in Delaware (L8-0000185) and active in the NPI registry since July 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John Caleb Walker Pmhnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Miami, FL 33130
- Reassigned Medicare billing, Arizona, Colorado, Delaware, Idaho and Illinois enrollments
- 532 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 78843 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAUGHLIN AFB, TX 78843
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 John Walker's NPI number?
The NPI number for John Walker is 1275186843. It was assigned to this individual provider in the NPPES registry on July 22, 2019.
Where is John Walker located?
John Walker practices at 590 Mitchell Blvd Bldg 375, Laughlin Afb, TX 78843. The listed phone number is (830) 298-6422.
What is John Walker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is John Walker enrolled in Medicare?
Yes. John Walker is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Walker reassigns Medicare benefits to Grow Healthcare Group PA (Miami, FL). 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 John Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for John Walker was last updated on June 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# John Caleb Walker, PMHNP · NPI 1275186843
Psychiatric/Mental Health physician in Laughlin Afb, Texas. Individual provider, active in the CMS NPPES registry since July 22, 2019.
## Identity
- **NPI:** 1275186843 (Entity type: Individual)
- **Enumerated:** July 22, 2019
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** L8-0000185 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 590 MITCHELL BLVD BLDG 375, Laughlin Afb, TX 78843-5242
- **Phone:** (830) 298-6422
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Grow Healthcare Group PA (NPI 1245845932, Miami, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** June 23, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1275186843) · Data from the CMS NPPES public registry.