DENA M WILLIAMS NNP
NPI 1316239452
Nurse Practitioner - Neonatal in Tyler, TX
About Dena M Williams Nnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DENA M WILLIAMS NNP (NPI 1316239452) is an individual neonatal provider in Tyler, Texas, licensed in Texas (AP117769) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS and maintains a secondary practice location in Amarillo.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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 (PECOS)
Dena M Williams Nnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Dena Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tyler, TX 75702
- Reassigned Medicare billing, Texas enrollment
- 2,745 clinicians in this Medicare group
Marshall, TX 75670
- Reassigned Medicare billing, Texas enrollment
- 106 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 75701 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.
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 Dena Williams's NPI number?
The NPI number for Dena Williams is 1316239452. It was assigned to this individual provider in the NPPES registry on May 9, 2011.
Where is Dena Williams located?
Dena Williams practices at 800 E Dawson St, Tyler, TX 75701. The listed phone number is (903) 606-1800.
What is Dena Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Neonatal, with taxonomy code 363LN0000X.
Is Dena Williams enrolled in Medicare?
Yes. Dena Williams is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Dena Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dena Williams reassigns Medicare benefits to 2 organizations: Christus Trinity Clinic Texas (Tyler, TX) and Christus Good Shepherd Medical Center (Marshall, 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 Dena Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dena Williams accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Oscar Health and Oscar Insurance Company and 1 other insurer list Dena Williams 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 Dena Williams was last updated on April 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dena M Williams, NNP · NPI 1316239452
Neonatal physician in Tyler, Texas. Individual provider, active in the CMS NPPES registry since May 9, 2011.
## Identity
- **NPI:** 1316239452 (Entity type: Individual)
- **Enumerated:** May 9, 2011
- **Primary specialty:** Nurse Practitioner - Neonatal · taxonomy 363LN0000X
- **State license:** AP117769 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 800 E DAWSON ST, Tyler, TX 75701-2036
- **Phone:** (903) 606-1800
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Christus Trinity Clinic Texas (NPI 1285684225, Tyler, TX); Christus Good Shepherd Medical Center (NPI 1760908404, Marshall, TX) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 12, 2021
- **Other identifiers:** Medicaid 381513602 (TX); Other P02600068 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1316239452) · Data from the CMS NPPES public registry.