Physician Profile
Unclaimed ProfileAbout WILLISTON
Debra Ann Williston, CRNP is a nurse practitioner based in Allentown, PA. Debra is also listed as specializing in nurse practitioner — adult health. Medicare claims data shows Debra provided 75 services to 55 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (610) 432-4529
- Email not available
Practice Locations
1230 S CEDAR CREST BLVD STES 301, 302, 304
Allentown, PA 18103
Procedures Most Often Billed to Medicare
75 services · 55 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Dialysis services, 4 or more physician visits per month (20 years or older) | Treatment | 90960 |
28 |
| Dialysis services, 2-3 physician visits per month (20 years or older) | Treatment | 90961 |
26 |
| Transitional care management services for problem of at least moderate complexity | Office visit | 99495 |
21 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other nurse practitioners in Allentown 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Dialysis services, 4 or more physician visits per month (20 years or older) 8
Providers in PA who bill this service to Medicare most often.
Common questions
What does Dr. Williston specialize in?
Dr. Williston is a nurse practitioner in Allentown, PA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NURSE PRACTITIONER”.
NPI registry
Where is Dr. Williston located?
Dr. Williston is listed at 1230 S CEDAR CREST BLVD STES 301, 302, 304, Allentown, PA 18103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Williston's phone number?
The number on file is (610) 432-4529. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Williston?
Dr. Williston's National Provider Identifier is 1669477543. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Williston go to medical school?
Dr. Williston attended Other, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Williston have?
Dr. Williston has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Williston do most often?
According to Medicare billing data, Dr. Williston provides treatments such as dialysis services, 4 or more physician visits per month and dialysis services, 2-3 physician visits per month, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Williston's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Williston. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.