DR. NEIL P WILLIAMS MD
NPI 1003810086
Otolaryngology in Irving, TX
About Dr. Neil P Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NEIL P WILLIAMS MD (NPI 1003810086) is an individual otolaryngology provider in Irving, Texas, licensed in Texas (H4798) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Baylor Scott & White Medical Center At Irving, and is a graduate of University Of Oklahoma College Of Medicine (1987).
NPPES Registry Identity
Specialties & Licenses
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 and accepts Medicare assignment
Dr. Neil P Williams Md 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 Neil Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Irving, TX 75063
- Reassigned Medicare billing, Texas enrollment
- 5 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 18
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baylor Scott & White Medical Center At Irving
Acute Care Hospitals · Irving, TXBaylor Surgical Hospital At Las Colinas
Acute Care Hospitals · Irving, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75063 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 16
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
IRVING, TX 75063
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 Neil Williams's NPI number?
The NPI number for Neil Williams is 1003810086. It was assigned to this individual provider in the NPPES registry on June 8, 2005.
Where is Neil Williams located?
Neil Williams practices at 400 W Ih 635 Fwy Ste 360, Irving, TX 75063. The listed phone number is (972) 402-8404.
What is Neil Williams's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Neil Williams enrolled in Medicare?
Yes. Neil Williams 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 Neil Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Neil Williams reassigns Medicare benefits to Irving Coppell Ear, Nose & Throat (Irving, 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 Neil Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Neil Williams accept?
Health plans from Baylor Scott and White Health Plan list Neil 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.
Is Neil Williams affiliated with any hospitals?
According to CMS data, Neil Williams is affiliated with Baylor Scott & White Medical Center At Irving and Baylor Surgical Hospital At Las Colinas.
When was this NPI record last updated?
The NPPES record for Neil Williams was last updated on January 14, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.