DR. WILLIAM R WITHAM M.D.
NPI 1447201157
Surgery in Fort Worth, TX
About Dr. William R Witham M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM R WITHAM M.D. (NPI 1447201157) is an individual surgery provider in Fort Worth, Texas, licensed in Texas (L8231) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Tyler, and is a graduate of Texas Tech University Health Science Center School Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 3
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
Dr. William R Witham M.d. 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
2Medicare enrollment records show William Witham reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fort Worth, TX 76104
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Health Care PLLC
- 511 clinicians in this Medicare group
Tyler, TX 75702
- Reassigned Medicare billing, Texas enrollment
- 2,745 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 7
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 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 20
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
FORT WORTH, TX 76104
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 Witham's NPI number?
The NPI number for William Witham is 1447201157. It was assigned to this individual provider in the NPPES registry on May 15, 2006.
Where is William Witham located?
William Witham practices at 1325 Pennsylvania Ave Suite 200, Fort Worth, TX 76104. The listed phone number is (817) 332-9957.
What is William Witham's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is William Witham enrolled in Medicare?
Yes. William Witham 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 William Witham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Witham reassigns Medicare benefits to 2 organizations: Texas Health Care, P.L.L.C. (Fort Worth, TX) and Christus Trinity Clinic Texas (Tyler, 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 William Witham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Witham accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list William Witham 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 William Witham was last updated on August 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. William R Witham, M.D. · NPI 1447201157
Surgery physician in Fort Worth, Texas. Individual provider, active in the CMS NPPES registry since May 15, 2006.
## Identity
- **NPI:** 1447201157 (Entity type: Individual)
- **Enumerated:** May 15, 2006
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** L8231 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1325 PENNSYLVANIA AVE, SUITE 200, Fort Worth, TX 76104-2158
- **Phone:** (817) 332-9957 · **Fax:** (817) 336-3130
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Texas Health Care, P.L.L.C. (NPI 1033284351, Fort Worth, TX); Christus Trinity Clinic Texas (NPI 1285684225, Tyler, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Texas Tech University Health Science Center School Of Medicine, class of 2000
## Record status
- **NPPES last updated:** August 11, 2020
- **Other identifiers:** Medicaid 176760001 (TX); Medicaid 176760002 (TX); Other 1D7580
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Source: [NPI Profile](https://npiprofile.com/npi/1447201157) · Data from the CMS NPPES public registry.