1. Home
  2. Directory
  3. Texas
  4. Dallas
  5. Anesthesiology
  6. NPI Profile

CHARLES E. WILLIS II, M.D., P.A.
NPI 1295862431
Anesthesiology - Pain Medicine in Dallas, TX

Active since February 27, 2007
5201 S WESTMORELAND RD, DALLAS, TX 75237(214) 623-0550 Get Directions Write a Review

NPPES record last updated: May 10, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Charles E. Willis Ii, M.d., P.a. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHARLES E. WILLIS II, M.D., P.A. (NPI 1295862431) is a healthcare organization registered as a pain medicine in Dallas, Texas and active in the NPI registry since February 2007. The organization lists Charles E. Willis, President, as its authorized official.

NPPES Registry Identity

NPI1295862431
Entity TypeOrganization
Primary Taxonomy207LP2900X
Legal Business NameCHARLES E. WILLIS II, M.D., P.A.
Location Address5201 S WESTMORELAND RDDallas, TX 75237-1622
Mailing AddressPo Box 1347Addison, TX 75001-1347 · (972) 991-9950
Phone(214) 623-0550
Organization SubpartNo
Authorized OfficialCharles E. WillisPresident · (214) 623-0550
Enumeration DateFebruary 27, 2007
Last NPPES UpdateMay 10, 2008
✔ NPI 1295862431 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
License✔ Licensed in TX · J0365
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.
5201 S WESTMORELAND RD, Dallas, TX 75237
Open in Google Maps ↗

Other Identifiers 4

Medicare UPINF83514TX
Medicaid162314201TX
Other00R03PTX · Bcbs
Medicare PIN00539VTX

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Charles E. Willis Ii, M.d., P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateTexasEnrollment IDO20040625000496Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Charles E. Willis II, M.D., P.A., which bills Medicare for the services this clinician delivers.

Clinician (1)

Charles Willis, MD
Pain Management
NPI 1336142983
911 YORK DR STE 205
Desoto, TX 75115
(214) 623-0550
✔ PECOS✔ Accepts Medicare2.5 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Charles E. Willis II, M.D., P.A.'s NPI number?

The NPI number for Charles E. Willis II, M.D., P.A. is 1295862431. It was assigned to this organization in the NPPES registry on February 27, 2007.

Where is Charles E. Willis II, M.D., P.A. located?

Charles E. Willis II, M.D., P.A. is located at 5201 S Westmoreland Rd, Dallas, TX 75237. The listed phone number is (214) 623-0550.

What is Charles E. Willis II, M.D., P.A.'s specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Charles E. Willis II, M.D., P.A. enrolled in Medicare?

Yes. Charles E. Willis II, M.D., P.A. is registered in the Medicare PECOS enrollment system.

When is Charles E. Willis II, M.D., P.A.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Texas, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Charles E. Willis II, M.D., P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Pain Management) reassigns their Medicare billing to Charles E. Willis II, M.D., P.A.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Charles E. Willis II, M.D., P.A. accept?

Health plans from Blue Cross and Blue Shield of Texas list Charles E. Willis II, M.D., P.A. 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 Charles E. Willis II, M.D., P.A. was last updated on May 10, 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.