Quick answers
- Where does William D. Posten see patients?
- Medicare's clinician data lists 1 practice location in Irving, TX. Call before your visit to confirm the address.
- What is William D. Posten's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does William D. Posten accept Medicare assignment?
- Yes. Medicare's clinician data says William D. Posten accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for William D. Posten?
- (214) 987-3376, as listed in official Medicare / NPI Registry data.
- What is William D. Posten's NPI number?
- 1497725790. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where William D. Posten is enrolled with Medicare (CMS data updated 2026-10-02).
- 7445 Las Colinas BlvdIrving, TX 75063 (214) 987‑3376
Group practices
Medicare enrollment lists William D. Posten as a member of this group (CMS data updated 2026-10-02).
- PDP of Texas, PLLC59 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Irving
Clinicians with the same Medicare primary specialty in Irving, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Yale University School Of Medicine |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497725790 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians