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MRS. SARAH WADDILL WILLIAMSON NNP
NPI 1437614815
Nurse Practitioner - Neonatal, Critical Care in Wilmington, NC

Active since February 10, 2019PECOS Enrolled
2131 S 17TH ST, WILMINGTON, NC 28401(910) 515-4238 Get Directions Write a Review

NPPES record last updated: May 7, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 7, 2022, Feb 10, 2019 (2 updates tracked since 2019).

About Mrs. Sarah Waddill Williamson Nnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. SARAH WADDILL WILLIAMSON NNP (NPI 1437614815) is an individual neonatal, critical care provider in Wilmington, North Carolina, licensed in North Carolina (194790) and active in the NPI registry since February 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437614815
Entity TypeIndividualFemale
Primary Taxonomy363LN0005X
Provider Legal NameMRS. SARAH WADDILL WILLIAMSONCredential: NNP
Location Address2131 S 17TH STWilmington, NC 28401-7407
Mailing Address5413 Andrews Reach LoopWilmington, NC 28409-3691 · (910) 515-4238
Phone(910) 515-4238
Sole ProprietorNo
Enumeration DateFebruary 10, 2019
Last NPPES UpdateMay 7, 20222 updates tracked since enumeration
NPPES CertifiedMay 7, 2022
✔ NPI 1437614815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Neonatal, Critical CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LN0005X
License✔ Licensed in NC · 194790
2131 S 17TH ST, Wilmington, NC 28401
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Sarah Waddill Williamson Nnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Sarah Williamson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Novant Health Medical Group Coastal Region, LLC
Same address
Internal Medicine
2131 S 17TH ST
Wilmington, NC 28401
  • Reassigned Medicare billing, North Carolina enrollment
  • 710 clinicians in this Medicare group
NPI 1033799556 (910) 662-9300
Novant Medical Group Inc
3.0 mi
Family Medicine
5058 WRIGHTSVILLE AVE
Wilmington, NC 28403
  • Reassigned Medicare billing, North Carolina enrollment
  • Medicare enrollment name: Novant Health Medical Group, LLC
  • 2,998 clinicians in this Medicare group
NPI 1285896670 (910) 791-5426
Mcleod Loris Seacoast Hospital
57 mi
Nurse Anesthetist, Certified Registered
3655 MITCHELL ST
Loris, SC 29569
  • Reassigned Medicare billing, South Carolina enrollment
  • 240 clinicians in this Medicare group
NPI 1265708119 (843) 716-7000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 28401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$83.90 typical visit price
range $54.12 – $165.09
Typical copayment $20.97 (range $13.53 – $41.27)
Most-billed visit code 99203
Established Patient
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NEW HANOVER REGIONAL MEDICAL CENTER
Rehabilitation Hospital
2131 S 17TH ST
WILMINGTON, NC 28401
New Hanover County (910) 343-7000
CAROLYN JONES
Nurse Practitioner (Neonatal, Critical Care)
2131 S 17TH ST
WILMINGTON, NC 28401
New Hanover County (910) 667-2970
CHRISTIAN SANCHEZ M.D.
Hospitalist
2131 S 17TH ST
WILMINGTON, NC 28401
New Hanover County (910) 667-7000
KATHRYN GENCIE NEWELL DO
Family Medicine
2131 S 17TH ST
WILMINGTON, NC 28401
New Hanover County (910) 343-7000
NICOLE BRITT RN
Registered Nurse (Critical Care Medicine)
2131 S 17TH ST
WILMINGTON, NC 28401
New Hanover County (910) 343-7000
LI NICHOLS MD
Hospitalist
2131 S 17TH ST
WILMINGTON, NC 28401
New Hanover County (910) 667-7000
JAMES ADGENT MD
Hospitalist
2131 S 17TH ST
WILMINGTON, NC 28401
New Hanover County (910) 667-7000
NANNETTE B MARTIN NP
Nurse Practitioner
2131 S 17TH ST
WILMINGTON, NC 28401
New Hanover County (910) 772-9202

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sarah Williamson's NPI number?

The NPI number for Sarah Williamson is 1437614815. It was assigned to this individual provider in the NPPES registry on February 10, 2019.

Where is Sarah Williamson located?

Sarah Williamson practices at 2131 S 17th St, Wilmington, NC 28401. The listed phone number is (910) 515-4238.

What is Sarah Williamson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Neonatal, Critical Care, with taxonomy code 363LN0005X.

Is Sarah Williamson enrolled in Medicare?

Yes. Sarah Williamson is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sarah Williamson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Williamson reassigns Medicare benefits to 3 organizations: Novant Health Medical Group Coastal Region, LLC (Wilmington, NC), Novant Medical Group Inc (Wilmington, NC) and Mcleod Loris Seacoast Hospital (Loris, SC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sarah Williamson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sarah Williamson accept?

Health plans from Blue Cross and Blue Shield of NC list Sarah Williamson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Sarah Williamson was last updated on May 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.