MRS. SAMANTHA ANN WITNER (CRNP) – Nurse Practitioner, NPI 1457836447
Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
11,473 NURSE PRACTITIONER in PA
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Provider Addresses for MRS. SAMANTHA ANN WITNER (CRNP)
1201, Grampian Boulevard, Williamsport, Lycoming County, Pennsylvania, 17701, United States
WILLIAMSPORT, PA 177011900
Phone:
Type: Mailing
UPMC Susquehanna Lock Haven, 24, Cree Drive, Lock Haven, Clinton County, Pennsylvania, 17745, United States
LOCK HAVEN, PA 177452639
Phone: (570) 321-2850
Fax: (570) 321-2851
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2018-10-15
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20181015002592 | I | Nurse Practitioner | PA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 26 | 26 | $0 |
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 11 | 11 | $0 |
Insurance plans in this area (ZIP 17701)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery, Critical Care (Intensivists) | PA | |
| - | PA | |
| Certified Registered Nurse Anesthetist (Crna) | PA | |
| - | ME | |
| Pulmonary Disease, Critical Care (Intensivists) | PA | |
| - | PA | |
| Vascular Surgery | NY | |
| Cardiovascular Disease (Cardiology) | NM | |
| Certified Registered Nurse Anesthetist (Crna) | PA | |
| Emergency Medicine | PA |
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