MARK WHITNEY THOMAS LCSW
NPI 1770997645
Social Worker - Clinical in Searcy, AR
About Mark Whitney Thomas Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK WHITNEY THOMAS LCSW (NPI 1770997645) is an individual clinical provider in Searcy, Arkansas, licensed in Arkansas (7279C) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Mark Whitney Thomas Lcsw 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.
Medicare Billing Reassignments
4Medicare enrollment records show Mark Thomas reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Searcy, AR 72143
- Reassigned Medicare billing, Arkansas enrollment
- 266 clinicians in this Medicare group
Searcy, AR 72143
- Reassigned Medicare billing, Arkansas enrollment
- 159 clinicians in this Medicare group
Searcy, AR 72143
- Reassigned Medicare billing, Arkansas enrollment
- 43 clinicians in this Medicare group
Newport, AR 72112
- Reassigned Medicare billing, Arkansas enrollment
- 65 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.
Areas of Expertise CMS Part B claims 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 72143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mark Thomas's NPI number?
The NPI number for Mark Thomas is 1770997645. It was assigned to this individual provider in the NPPES registry on June 18, 2014.
Where is Mark Thomas located?
Mark Thomas practices at 305 Rodgers Dr, Searcy, AR 72143. The listed phone number is (501) 203-0857.
What is Mark Thomas's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Mark Thomas enrolled in Medicare?
Yes. Mark 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 Mark Thomas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Thomas reassigns Medicare benefits to 4 organizations: Arcare (Searcy, AR), White County Medical Center (Searcy, AR), Northeast Arkansas Community Mental Health Center Inc (Searcy, AR) and Unity Health - Newport (Newport, AR). 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 Mark Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Thomas accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Mark Thomas 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 Mark Thomas was last updated on April 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.
# Mark Whitney Thomas, LCSW · NPI 1770997645
Clinical provider in Searcy, Arkansas. Individual provider, active in the CMS NPPES registry since June 18, 2014.
## Identity
- **NPI:** 1770997645 (Entity type: Individual)
- **Enumerated:** June 18, 2014
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 7279C (Arkansas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 305 RODGERS DR, Searcy, AR 72143-7432
- **Phone:** (501) 203-0857 · **Fax:** (501) 203-0861
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Arcare (NPI 1942716063, Searcy, AR); White County Medical Center (NPI 1063780567, Searcy, AR); Northeast Arkansas Community Mental Health Center Inc (NPI 1972083806, Searcy, AR); Unity Health - Newport (NPI 1164152815, Newport, AR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** April 15, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1770997645) · Data from the CMS NPPES public registry.