Dr. Dennis Wayne Williamson , DC
Chiropractor • Garland, TX
4702 Northwest Hwy
Garland, TX 750434912
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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Dr. Dennis Williamson is listed in NPPES under Chiropractor.
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NPI assigned on January 4, 2007; this date does not establish years in practice.
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Published CMS data list 57 Original Medicare Part B services in 2023.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2023. Published rows only; this is not a quality measure.
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Published Part B service records, 2023:
- 98941 — Chiropractic manipulative treatment, 3-4 spinal regions: 57 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2023. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2022 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2023). CPT notice
See the full table · Guide: How to read Medicare Part B data
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Medicare Part B services went from 37 in 2018 to 57 in 2023.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018–2023.
Practice Location & Contact Primary Location
4702 Northwest Hwy
Garland, TX 750434912
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
NPPES lists 1 additional practice-address record in Garland, TX. See the list
Source: CMS NPPES NPI Registry, practice location records; release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
2004
What Public CMS Data Show
Chiropractor: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare-allowed amount
About $2,244 in 2023
The total amount Medicare approved for these services in 2023. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2023.
Paid by Medicare
About $1,449 in 2023
The part of the Medicare-allowed amount that Medicare itself paid in 2023, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2023.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019–2025.
Years since graduation
22 years (graduated 2004)
CMS Doctors and Clinicians data list 2004 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2007
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Dr. Williamson has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Garland and Texas
Billing and prescribing volume is not a quality rating.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Dr. Williamson are from 2023.
50 active clinicians are listed under Chiropractor with a practice address in Garland, TX (6,982 in Texas).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Garland
0% of these 50 clinicians have the CMS telehealth indicator.
14% of these 50 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services increased 54% from 37 in 2018 to 57 in 2023.
- 2018: 37
- 2019: 42
- 2020: 36
- 2022: 72
- 2023: 57
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Medicare-allowed amount
Medicare-allowed amount increased 55% from $1,452 in 2018 to $2,244 in 2023.
- 2018: $1,452
- 2019: $1,745
- 2020: $1,513
- 2022: $2,915
- 2023: $2,244
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Paid by Medicare
Paid by Medicare went from $963 in 2018 to $1,449 in 2023.
- 2018: $963
- 2019: $1,258
- 2020: $1,074
- 2022: $1,596
- 2023: $1,449
Sources: CMS Medicare Physician & Other Practitioners (2023), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2022 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2023; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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98941
Chiropractic manipulative treatment, 3-4 spinal regions
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57 | 12 | $94.74 | $39.37 |
Source: CMS Part B by Provider and Service, 2023; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2020-09-10NUCC Taxonomy Code: 111N00000X
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.
NUCC Taxonomy Code: 111NS0005X
A sports chiropractor is uniquely trained to provide care and treatment of injuries or illness resulting from sports and physical fitness activities. Doctors of Chiropractic with the Diplomate American Chiropractic Board of Sports Physicians (DACBSP) or the Certified Chiropractic Sports Physician (CCSP), sport specialty certifications from the American Chiropractic Board of Sports Physicians, have advanced training in the assessment, management and rehabilitation of sports related injuries. Extremity care, rehabilitation and soft tissue procedures are common skills utilized by these doctors. The specialty training covers a broad spectrum from the pediatric athlete to professional and Olympic athletes, and everything in between, using a variety of techniques and modalities.
NUCC Taxonomy Code: 111NI0013X
A special evaluator not involved with the medical care of the individual examinee that impartially evaluates the care being provided by other practitioners to clarify clinical, disability, liability or other case issues.
NUCC Taxonomy Code: 111NX0100X
Occupational Health is that specialty within the chiropractic profession that deals with the prevention and management of work related injuries. It also considers and assists clients with State and Federal Compliance assistance. Occupational Health goes much farther than simply treating injured workers however. This may mean working with clients to promote optimum safety and ergonomic principles, interacting with the injured worker to promote safety and prevent future injuries, assisting a company with accident investigation to identify root cause, redesigning a workstation to eliminate hazards, working with safety teams, providing training programs etc. The list of potential services that the specialist can interact with a client company or patient is lengthy and varied involving both in office services as well as on site services.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - CHIROPRACTIC
I20080320000108
TX
0345326104
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Secondary Practice Locations
1138 Belt Line Rd Ste 135
Garland, TX 750401993
Phone: 4699690424
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Nurse Practitioner - Adult Health
Nurse Practitioner
Nurse Practitioner - Family
Family Nurse Practitioner
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 4702 NORTHWEST HWY, GARLAND, TX 750434912 (Tel: 9722705333)
Registered at 4702 NORTHWEST HWY, GARLAND, TX 750434912 (Tel: 9722705333)
Chiropractor (license number reported to NPPES: TX 10235)
NPI status registered as active in NPPES database
Registered at 5227 WILLOW BEND LN, SACHSE, TX 750484733 (Tel: 2145631790)
Registered at 1750 NORTHWEST HWY, SUITE 250A, GARLAND, TX 750415284 (Tel: 9722705333)
Recorded as DENNIS WILLIAMSON, D.C.
Chiropractor (license number reported to NPPES: TX 10235)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Chiropractors in Garland
- Dr. James Mixon, DC
- Dr. Nu Ho, DC
- Dr. Carin Walden, DC
- Dr. Philip Cook, DC
- Dr. Joel Young, DC
- Dr. Teresa Jones, DC
Mailing Address
4702 Northwest Hwy
Garland, TX 750434912
Phone: 9722705333