Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

MS. Debra Ann Williston, CRNP

Individual provider Nurse Practitioner · NPI 1669477543

MS. Debra Ann Williston, CRNP is a Nurse Practitioner in Allentown, Pennsylvania. Qualified in 2003, 23 years ago. Practices with Valley Kidney Specialists, PC, a 31-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
23
Licensed in
PA
In the registry since
2005
Specialties on file
3
What do these letters mean?
CRNP — Certified Registered Nurse Practitioner
The title Pennsylvania and some other states use for a nurse practitioner.

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Practice location Address checks out

1230 S Cedar Crest Blvd Stes 301 302 304
Allentown, PA 18103-6212
Phone: (610) 432-4529
Fax: (610) 432-2206
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence SP007862 (PA)
Nurse Practitioner Taxonomy 363L00000X · Licence SP007862 (PA)
Critical Care Medicine Nurse Practitioner Taxonomy 363LC0200X · Licence SP007862 (PA)

Record details

NPI number1669477543
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNP
Sole proprietorNo
NPI enumeratedJune 16, 2005
Last updated in NPPESJune 2, 2022
Certification dateJune 2, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Valley Kidney Specialists, P.C. — 31 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Allentown