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DR. DENNIS WAYNE WILLIAMSON D.C.
NPI 1346397080
Chiropractor in Garland, TX

Active since January 04, 2007Accepts Medicare Assignment
4702 NORTHWEST HWY, GARLAND, TX 75043(972) 270-5333(972) 270-5335 Get Directions Write a Review

NPPES record last updated: December 14, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Dennis Wayne Williamson D.c. NPPES

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

DR. DENNIS WAYNE WILLIAMSON D.C. (NPI 1346397080) is an individual chiropractor in Garland, Texas, licensed in Texas (10235) and active in the NPI registry since January 2007. He maintains a secondary practice location in Garland and is a graduate of Other (2004).

NPPES Registry Identity

NPI1346397080
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. DENNIS WAYNE WILLIAMSONCredential: D.C.
Location Address4702 NORTHWEST HWYGarland, TX 75043-4912
Mailing Address4702 Northwest HwyGarland, TX 75043-4912 · (972) 270-5333 · Fax (972) 270-5335
Phone(972) 270-5333
Fax(972) 270-5335
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateJanuary 4, 2007
Last NPPES UpdateDecember 14, 2021
NPPES CertifiedSeptember 10, 2020
✔ NPI 1346397080 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in TX · 10235
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
Also ListedChiropractor · Independent Medical ExaminerTaxonomy 111NI0013X · License 10235 (TX)
Also ListedChiropractor · Sports PhysicianTaxonomy 111NS0005X · License 10235 (TX)
Also ListedChiropractor · Occupational HealthTaxonomy 111NX0100X · License 10235 (TX)
4702 NORTHWEST HWY, Garland, TX 75043
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Secondary Practice Location 1

Location 11138 Belt Line Rd Ste 135Garland, TX 75040-1993 · Phone (469) 969-0424

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections 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 and accepts Medicare assignment

Dr. Dennis Wayne Williamson D.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 ID345326104
PECOS Enrollment IDI20080320000108

Medicare Billing Reassignments

2

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

Spine Time PA
Same address
Chiropractor
4702 NORTHWEST HWY
Garland, TX 75043
  • Reassigned Medicare billing, Texas enrollment
  • 2 clinicians in this Medicare group
NPI 1003005646 (972) 270-5333
Affordable Chiropractic, LLC
5.8 mi
Chiropractor
1138 BELT LINE RD STE 135
Garland, TX 75040
  • Reassigned Medicare billing, Texas enrollment
  • 3 clinicians in this Medicare group
NPI 1750996336 (469) 969-0426

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

Other Providers at the Same Location NPPES 7

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

SPINE TIME PA
Chiropractor
4702 NORTHWEST HWY
GARLAND, TX 75043
Dallas County (972) 270-5333
GARLAND INTEGRATED HEALTHCARE PLLC
Family Medicine (Adult Medicine)
4702 NORTHWEST HWY
GARLAND, TX 75043
Dallas County (972) 686-2701
ANCY ABRAHAM GEORGE FNP
Nurse Practitioner (Family)
4702 NORTHWEST HWY
GARLAND, TX 75043
Dallas County (972) 686-7400
METROPLEX CHIROPRACTIC
Chiropractor
4702 NORTHWEST HWY
GARLAND, TX 75043
Dallas County (972) 686-7400
GLEN RIC JOHNSON D.C.
Chiropractor
4702 NORTHWEST HWY
GARLAND, TX 75043
Dallas County (972) 686-7400
AFFORDABLE DRUG TESTING & EXAMS, LLC
Chiropractor (Independent Medical Examiner)
4702 NORTHWEST HWY
GARLAND, TX 75043
Dallas County (972) 270-5333
PATTI E. FRENCH NP
Nurse Practitioner (Adult Health)
4702 NORTHWEST HWY
GARLAND, TX 75043
Dallas County (972) 686-7400

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 Dennis Williamson's NPI number?

The NPI number for Dennis Williamson is 1346397080. It was assigned to this individual provider in the NPPES registry on January 4, 2007.

Where is Dennis Williamson located?

Dennis Williamson practices at 4702 Northwest Hwy, Garland, TX 75043. The listed phone number is (972) 270-5333.

What is Dennis Williamson's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Dennis Williamson enrolled in Medicare?

Yes. Dennis Williamson 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 Dennis Williamson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Williamson reassigns Medicare benefits to 2 organizations: Spine Time PA (Garland, TX) and Affordable Chiropractic, LLC (Garland, TX). 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 Dennis Williamson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dennis Williamson accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 8 other insurers list Dennis Williamson 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 Dennis Williamson was last updated on December 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.