Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARION WITT THOMAS MSN, RN, FNP-C
NPI 1821720715
Nurse Practitioner in Salem, VA

Q: What is Marion Thomas's NPI number?

The NPI number for Marion Thomas is 1821720715. It was assigned to this individual provider in the NPPES registry on June 29, 2022.

Q: What is Marion Thomas's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Marion Thomas was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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.

Active since June 29, 2022PECOS EnrolledAccepts Medicare Assignment

427 APPERSON DR, SALEM, VA 24153(540) 381-6211(540) 645-6623 Get Directions Write a Review

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

Record update history: Oct 7, 2026, Aug 16, 2022 (2 updates tracked since 2022).

On this page

About Marion Witt Thomas Msn, Rn, Fnp-c NPPES

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

MARION WITT THOMAS MSN, RN, FNP-C (NPI 1821720715) is an individual nurse practitioner in Salem, Virginia, licensed in Virginia (0024184546) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS, is affiliated with Carilion Medical Center, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1821720715

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMARION WITT THOMASCredential: MSN, RN, FNP-C

Location Address427 APPERSON DRSalem, VA 24153-7026

Mailing Address427 Apperson DrSalem, VA 24153-7026 · (540) 381-6211 · Fax (540) 645-6623

Phone(540) 381-6211

Fax(540) 645-6623

Sole ProprietorNo

Medical School CMSOtherGraduated 2022

Enumeration DateJune 29, 2022

Last NPPES UpdateOctober 7, 20262 updates tracked since enumeration

NPPES CertifiedOctober 7, 2026

✔ NPI 1821720715 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in VA · 0024184546

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

427 APPERSON DR, Salem, VA 24153

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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

Marion Witt Thomas Msn, Rn, Fnp-c 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 ID6002290822

PECOS Enrollment IDI20220829001067

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

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

Carilion Medical Center

6.0 mi

Dental

2017 JEFFERSON ST SW
Roanoke, VA 24014

Reassigned Medicare billing, Virginia enrollment
1,207 clinicians in this Medicare group

NPI 1114399276 (540) 981-7128

Blacksburg Neurology PC

22 mi

Specialist

90 COLLEGE ST STE B
Christiansburg, VA 24073

Reassigned Medicare billing, Virginia enrollment
7 clinicians in this Medicare group

NPI 1114937109 (540) 381-6211

Brookwell Health LLC

197 mi

Nurse Practitioner

2825 W ANDREW JOHNSON HWY
Morristown, TN 37814

Reassigned Medicare billing, Virginia enrollment
4 clinicians in this Medicare group

NPI 1366072159 (423) 307-5757

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

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

45 services35 patients

Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face 64615

This procedure involves injecting a chemical into specific facial and neck muscles, causing temporary paralysis. This helps reduce muscle activity and can alleviate certain medical conditions. Both sides of the face are treated for a balanced result.

35 services20 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

21 services21 patients

Injection of anesthetic agent and/or steroid into upper neck and back of head nerve 64405

This procedure involves injecting a mix of anesthetic and/or steroid into nerves in the upper neck and back of the head. It helps relieve pain by reducing inflammation and numbing the area. It's a common treatment for headaches and neck pain.

18 services12 patients

Injection of anesthetic agent and/or steroid into other nerve or branch 64450

This procedure involves injecting an anesthetic agent or steroid into a specific nerve or its branch. The goal is to relieve pain by reducing inflammation and numbing the area. It is commonly used for chronic pain management. The process is safe and usually quick.

18 services12 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

12 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Carilion Medical Center

Acute Care Hospitals · Roanoke, VA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490024

Location1906 Belleview Avenue, SERoanoke, VA 24014 · Roanoke City County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 24153 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.

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 Marion Thomas's NPI number?

The NPI number for Marion Thomas is 1821720715. It was assigned to this individual provider in the NPPES registry on June 29, 2022.

Where is Marion Thomas located?

Marion Thomas practices at 427 Apperson Dr, Salem, VA 24153. The listed phone number is (540) 381-6211.

What is Marion Thomas's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Marion Thomas enrolled in Medicare?

Yes. Marion Thomas 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 Marion Thomas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marion Thomas reassigns Medicare benefits to 3 organizations: Carilion Medical Center (Roanoke, VA), Blacksburg Neurology PC (Christiansburg, VA) and Brookwell Health LLC (Morristown, TN). 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 Marion Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Marion Thomas affiliated with any hospitals?

According to CMS data, Marion Thomas is affiliated with Carilion Medical Center.

When was this NPI record last updated?

The NPPES record for Marion Thomas was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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.