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MARY ELLEN SIZEMORE FNP-BC
NPI 1790979300
Nurse Practitioner - Family in Charleston, WV

Active since August 28, 2007PECOS Enrolled
3501 MACCORKLE AVE SE, SE#151, CHARLESTON, WV 25304(304) 964-6370(855) 632-8329 Get Directions Write a Review

NPPES record last updated: December 8, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mary Ellen Sizemore Fnp-bc NPPES

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

MARY ELLEN SIZEMORE FNP-BC (NPI 1790979300) is an individual family provider in Charleston, West Virginia, licensed in West Virginia (APRN52805-FNP-BC) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790979300
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARY ELLEN SIZEMORECredential: FNP-BC
Location Address3501 MACCORKLE AVE SE, SE#151Charleston, WV 25304-1419
Mailing Address140 Whittington Pkwy, Suite 100Louisville, KY 40222-4930 · (502) 327-9100 · Fax (855) 632-8329
Phone(304) 964-6370
Fax(855) 632-8329
Sole ProprietorNo
Enumeration DateAugust 28, 2007
Last NPPES UpdateDecember 8, 2015
✔ NPI 1790979300 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses✔ Licensed in WV · APRN52805-FNP-BC✔ Licensed in WV · 52805
Also ListedNurse PractitionerTaxonomy 363L00000X · License 52805 (WV)
3501 MACCORKLE AVE SE, Charleston, WV 25304
Open in Google Maps ↗

Other Identifiers 6

Medicare PIN2029565WV
Medicaid3810010313WV
Medicare PIN2029563WV
Medicare PIN2029564WV
Medicare PIN2029562WV
Medicare PIN2029561WV

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Ellen Sizemore Fnp-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 Mary Sizemore reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Signify Health Medical Associates, PLLC
934 mi
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, West Virginia enrollment
  • 228 clinicians in this Medicare group
NPI 1750845863 (972) 715-3800

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 25304 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
$83.49 typical visit price
range $53.20 – $164.59
Typical copayment $20.87 (range $13.30 – $41.14)
Most-billed visit code 99203
Established Patient
$94.81 typical visit price
range $16.47 – $133.29
Typical copayment $23.70 (range $4.11 – $33.32)
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 4

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

WEST VIRGINIA MEDICAL SPECIALISTS PLLC
Clinic/Center
3501 MACCORKLE AVE SE
CHARLESTON, WV 25304
Kanawha County (800) 557-8950
CHARLESTON MEDICAL SUPPLIES
Durable Medical Equipment & Medical Supplies
3501 MACCORKLE AVE SE
CHARLESTON, WV 25304
Kanawha County (304) 693-2754
SANDRA Y ELLIOTT MD INC
Specialist
3501 MACCORKLE AVE SE, SUITE 202
CHARLESTON, WV 25304
Kanawha County (304) 421-4514
CONNIE VOLTIN FNP
Nurse Practitioner (Family)
3501 MACCORKLE AVE SE, 337
CHARLESTON, WV 25304
Kanawha County (412) 307-4609

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 Mary Sizemore's NPI number?

The NPI number for Mary Sizemore is 1790979300. It was assigned to this individual provider in the NPPES registry on August 28, 2007.

Where is Mary Sizemore located?

Mary Sizemore practices at 3501 Maccorkle Ave SE Se#151, Charleston, WV 25304. The listed phone number is (304) 964-6370.

What is Mary Sizemore's specialty?

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

Is Mary Sizemore enrolled in Medicare?

Yes. Mary Sizemore is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Sizemore's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Sizemore reassigns Medicare benefits to Signify Health Medical Associates, PLLC (Dallas, TX). 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 Mary Sizemore's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mary Sizemore was last updated on December 8, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.