WILLIAM MARCUS BARNES
NPI 1174241426
Nurse Practitioner in Fort Worth, TX
About William Marcus Barnes NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM MARCUS BARNES (NPI 1174241426) is an individual nurse practitioner in Fort Worth, Texas, licensed in Texas (1088508) and active in the NPI registry since August 2022. He is enrolled in Medicare PECOS, is affiliated with Texas Health Huguley Hospital Fort Worth South, and maintains a secondary practice location in Fort Worth.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
William Marcus Barnes 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 William Barnes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mansfield, TX 76063
- Reassigned Medicare billing, Texas enrollment
- 33 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Texas Health Huguley Hospital Fort Worth South
Acute Care Hospitals · Burleson, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 76104 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FORT WORTH, TX 76104
FORT WORTH, TX 76104
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 William Barnes's NPI number?
The NPI number for William Barnes is 1174241426. It was assigned to this individual provider in the NPPES registry on August 22, 2022.
Where is William Barnes located?
William Barnes practices at 1121 5th Ave Ste 100, Fort Worth, TX 76104. The listed phone number is (817) 423-8585.
What is William Barnes's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is William Barnes enrolled in Medicare?
Yes. William Barnes 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 William Barnes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Barnes reassigns Medicare benefits to Pulmonary Critical Care Professionals (Mansfield, TX). 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 William Barnes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Barnes accept?
Health plans from Blue Cross and Blue Shield of Texas and Molina Healthcare list William Barnes 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.
Is William Barnes affiliated with any hospitals?
According to CMS data, William Barnes is affiliated with Texas Health Huguley Hospital Fort Worth South.
When was this NPI record last updated?
The NPPES record for William Barnes was last updated on November 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# William Marcus Barnes · NPI 1174241426
Nurse Practitioner physician in Fort Worth, Texas. Individual provider, active in the CMS NPPES registry since August 22, 2022.
## Identity
- **NPI:** 1174241426 (Entity type: Individual)
- **Enumerated:** August 22, 2022
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 1088508 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1121 5TH AVE STE 100, Fort Worth, TX 76104-4386
- **Phone:** (817) 423-8585 · **Fax:** (817) 423-8458
## 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:** Pulmonary Critical Care Professionals (NPI 1922714179, Mansfield, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** November 3, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1174241426) · Data from the CMS NPPES public registry.