Quick answers
- Where does Debra A. Williston see patients?
- Medicare's clinician data lists 2 practice locations, including Allentown, PA and Kutztown, PA. Call before your visit to confirm the address.
- What is Debra A. Williston's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Debra A. Williston accept Medicare assignment?
- Yes. Medicare's clinician data says Debra A. Williston 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 Debra A. Williston?
- (610) 432-4529, as listed in official Medicare / NPI Registry data.
- What is Debra A. Williston's NPI number?
- 1669477543. 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 Debra A. Williston is enrolled with Medicare (CMS data updated 2026-10-02).
- 1230 S Cedar Crest BlvdAllentown, PA 18103 (610) 432‑4529
- 45 Constitution BlvdKutztown, PA 19530 (610) 432‑4529
Group practices
Medicare enrollment lists Debra A. Williston as a member of this group (CMS data updated 2026-10-02).
- Valley Kidney Specialists, P.C.31 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Allentown
Clinicians with the same Medicare primary specialty in Allentown, PA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669477543 |
| 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