1. Home
  2. Directory
  3. North Carolina
  4. Durham
  5. Nurse Practitioner
  6. NPI Profile

SARA B NULL MSN, NNP-BC
NPI 1538715081
Nurse Practitioner - Neonatal in Durham, NC

Active since August 12, 2019PECOS Enrolled
2301 ERWIN RD, DURHAM, NC 27705(919) 681-5501 Get Directions Write a Review

NPPES record last updated: July 23, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jul 23, 2024, Aug 12, 2019 (2 updates tracked since 2019).

About Sara B Null Msn, Nnp-bc NPPES

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

SARA B NULL MSN, NNP-BC (NPI 1538715081) is an individual neonatal provider in Durham, North Carolina, licensed in North Carolina (5012923) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1538715081
Entity TypeIndividualFemale
Primary Taxonomy363LN0000X
Provider Legal NameSARA B NULLCredential: MSN, NNP-BC
Location Address2301 ERWIN RDDurham, NC 27705-4699
Mailing Address2301 Erwin RdDurham, NC 27705-4699 · (919) 681-5501
Phone(919) 681-5501
Sole ProprietorNo
Enumeration DateAugust 12, 2019
Last NPPES UpdateJuly 23, 20242 updates tracked since enumeration
NPPES CertifiedJuly 23, 2024
✔ NPI 1538715081 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · NeonatalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LN0000X
License✔ Licensed in NC · 5012923
2301 ERWIN RD, Durham, NC 27705
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of North Carolina and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sara B Null Msn, Nnp-bc 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 Reassignment

Medicare enrollment records show Sara Null reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Duke University Health System, Inc.
0.2 mi
Social Worker
2213 ELBA ST
Durham, NC 27705
  • Reassigned Medicare billing, North Carolina enrollment
  • 1,503 clinicians in this Medicare group
NPI 1497912232 (919) 684-0100

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 27705 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.

DR. HONGYUN JUNE ZHU M.D.
Radiology (Diagnostic Radiology)
2301 ERWIN RD
DURHAM, NC 27705
Durham County (919) 684-8111
WILBUR RIGEL DATTILO M.D.
Psychiatry & Neurology (Psychiatry)
2301 ERWIN RD
DURHAM, NC 27705
Durham County (919) 684-8111
DR. SHARON MCCARTNEY M.D.
Anesthesiology
2301 ERWIN RD
DURHAM, NC 27705
Durham County (919) 681-3811
DR. JOEL GARRY MORASH M.D.
Student in an Organized Health Care Education/Training Program
2301 ERWIN RD
DURHAM, NC 27705
Durham County (919) 684-8111
REBEKAH DOIRON
Nurse Practitioner (Family)
2301 ERWIN RD
DURHAM, NC 27705
Durham County (919) 684-8111
DR. YURIY ZEYLIKMAN M.D.
Psychiatry & Neurology (Neurology)
2301 ERWIN RD
DURHAM, NC 27705
Durham County (919) 684-8111
ELIZABETH HOPE WEISSLER
Surgery (Vascular Surgery)
2301 ERWIN RD
DURHAM, NC 27705
Durham County (919) 684-8111
DR. ANGEL GUERRERO MD
Emergency Medicine
2301 ERWIN RD
DURHAM, NC 27705
Durham County (919) 684-8111

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 Sara Null's NPI number?

The NPI number for Sara Null is 1538715081. It was assigned to this individual provider in the NPPES registry on August 12, 2019.

Where is Sara Null located?

Sara Null practices at 2301 Erwin Rd, Durham, NC 27705. The listed phone number is (919) 681-5501.

What is Sara Null's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Neonatal, with taxonomy code 363LN0000X.

Is Sara Null enrolled in Medicare?

Yes. Sara Null is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Sara Null's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sara Null reassigns Medicare benefits to Duke University Health System, Inc. (Durham, NC). The 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 Sara Null's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sara Null accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina and Ambetter of Tennessee list Sara Null 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 Sara Null was last updated on July 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.