SHANNON MARIE ROSS FNP-BC
NPI 1598479263
Nurse Practitioner - Family in Warrenton, VA

Active since January 09, 2023PECOS EnrolledAccepts Medicare Assignment
493 BLACKWELL RD STE 202, WARRENTON, VA 20186(540) 347-4400 Get Directions Write a Review

NPPES record last updated: January 9, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Shannon Marie Ross Fnp-bc NPPES

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

SHANNON MARIE ROSS FNP-BC (NPI 1598479263) is an individual family provider in Warrenton, Virginia, licensed in Virginia (0024186040) and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1598479263
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameSHANNON MARIE ROSSCredential: FNP-BC
Location Address493 BLACKWELL RD STE 202Warrenton, VA 20186-2689
Mailing Address187 Colonial DrCharles Town, WV 25414-4498 · (703) 389-2231
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateJanuary 9, 2023
NPPES CertifiedDecember 21, 2022
✔ NPI 1598479263 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses✔ Licensed in VA · 0024186040✔ Licensed in WV · 112192
493 BLACKWELL RD STE 202, Warrenton, VA 20186

Other Names 1

Former Name (1)Shannon Marie Milligan

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Shannon Marie Ross Fnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9133584675
PECOS Enrollment IDI20230505000223, I20240529000554
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

2

Medicare enrollment records show Shannon Ross reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Specialist
493 BLACKWELL RD, SUITE 202
Warrenton, VA 20186
  • Reassigned Medicare billing, Virginia enrollment
  • 26 clinicians in this Medicare group
Internal Medicine
950 N GLEBE RD STE 700
Arlington, VA 22203
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • 1,534 clinicians in this Medicare group

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 20186 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
$86.88 typical visit price
range $56.19 – $170.30
Typical copayment $21.72 (range $14.04 – $42.57)
Most-billed visit code 99203
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
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 12

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

Nurse Practitioner (Family)
493 BLACKWELL RD STE 202
WARRENTON, VA 20186
Nurse Practitioner (Family)
493 BLACKWELL RD STE 202
WARRENTON, VA 20186
Physician Assistant
493 BLACKWELL RD STE 202
WARRENTON, VA 20186
Nurse Practitioner (Family)
493 BLACKWELL RD STE 202
WARRENTON, VA 20186
Nurse Practitioner (Family)
493 BLACKWELL RD STE 202
WARRENTON, VA 20186
Nurse Practitioner (Psychiatric/Mental Health)
493 BLACKWELL RD STE 202
WARRENTON, VA 20186
Nurse Practitioner (Family)
493 BLACKWELL RD STE 202
WARRENTON, VA 20186
Internal Medicine (Infectious Disease)
493 BLACKWELL RD STE 202
WARRENTON, VA 20186

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 Shannon Ross's NPI number?

The NPI number for Shannon Ross is 1598479263. It was assigned to this individual provider in the NPPES registry on January 9, 2023. The provider is also known as Shannon Marie Milligan.

Where is Shannon Ross located?

Shannon Ross practices at 493 Blackwell Rd Ste 202, Warrenton, VA 20186. The listed phone number is (540) 347-4400.

What is Shannon Ross's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Shannon Ross enrolled in Medicare?

Yes. Shannon Ross is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Shannon Ross's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shannon Ross reassigns Medicare benefits to 2 organizations: Piedmont Family Practice, Plc (Warrenton, VA) and Privia Medical Group, LLC (Arlington, VA). 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 Shannon Ross's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shannon Ross accept?

Health plans from Oscar Health list Shannon Ross 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 Shannon Ross was last updated on January 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.