WILLIAM ALLEN NEAVILLE MD
NPI 1326009614
Allergy & Immunology in Dallas, TX
About William Allen Neaville Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM ALLEN NEAVILLE MD (NPI 1326009614) is an individual allergy & immunology provider in Dallas, Texas, licensed in Texas (L6541) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Arkansas College Of Medicine (1997).
NPPES Registry Identity
Specialties & Licenses 2
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
William Allen Neaville 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 Reassignments
2Medicare enrollment records show William Neaville reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dallas, TX 75235
- Reassigned Medicare billing, Texas enrollment
- 5,299 clinicians in this Medicare group
Plano, TX 75093
- Reassigned Medicare billing, Texas enrollment
- 12 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 3
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.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DALLAS, TX 75234
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 Neaville's NPI number?
The NPI number for William Neaville is 1326009614. It was assigned to this individual provider in the NPPES registry on March 28, 2006.
Where is William Neaville located?
William Neaville practices at 10 Medical Pkwy Ste 204, Dallas, TX 75234. The listed phone number is (972) 661-9197.
What is William Neaville's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is William Neaville enrolled in Medicare?
Yes. William Neaville 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 Neaville's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Neaville reassigns Medicare benefits to 2 organizations: University Of Texas Southwestern Medical Center At Dallas (Dallas, TX) and John Allen Van Wagoner, MD, PA (Plano, 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 Neaville's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Neaville 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 6 other insurers list William Neaville 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 Neaville was last updated on April 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 Allen Neaville, MD · NPI 1326009614
Allergy & Immunology physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since March 28, 2006.
## Identity
- **NPI:** 1326009614 (Entity type: Individual)
- **Enumerated:** March 28, 2006
- **Primary specialty:** Allergy & Immunology · taxonomy 207K00000X
- **State license:** L6541 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10 MEDICAL PKWY STE 204, Dallas, TX 75234
- **Phone:** (972) 661-9197 · **Fax:** (972) 239-5526
## 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): University Of Texas Southwestern Medical Center At Dallas (NPI 1043418205, Dallas, TX); John Allen Van Wagoner, MD, PA (NPI 1316063993, Plano, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Arkansas College Of Medicine, class of 1997
## Record status
- **NPPES last updated:** April 9, 2024
- **Other identifiers:** Medicaid 159167901 (TX); Medicaid 159167903 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1326009614) · Data from the CMS NPPES public registry.