Thomas Stuart MacKenzie, DDS

  • La Crosse, WI
  • Oral and maxillofacial surgery (dentist)
NPI1205814407
Industry payments
$138
Affiliated sites
1
Medical group
1
State licenses
4
Year NPI issued
2006
Practice address
1836 S Ave Suite 01 Suite 01, La Crosse, WI 54601-5429
Practice phone
Call (608) 782-7300
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Gundersen La Crosse Clinic

Multi-specialty group site · La Crosse, Wisconsin

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Thomas Stuart MacKenzie is an oral and maxillofacial surgery (dentist) in La Crosse, Wisconsin

Thomas MacKenzie practices at Gundersen La Crosse Clinic in La Crosse, Wisconsin.

Thomas MacKenzie's NPI, 1205814407, was assigned on January 6, 2006. Thomas MacKenzie holds Wisconsin license 6871.

NPI and contact details
NPI enumeration date
January 6, 2006
NPI status
Active
Practice phone
(608) 782-7300
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Thomas Stuart MacKenzie practices at Gundersen La Crosse Clinic in La Crosse, Wisconsin

Thomas MacKenzie's primary practice is Gundersen La Crosse Clinic, at 1836 S Ave Suite 01 Suite 01, La Crosse, WI 54601-5429. The practice phone is (608) 782-7300.

  • Gundersen La Crosse Clinic
    1836 S Ave Suite 01 Suite 01, La Crosse, WI 54601-5429Phone(608) 782-7300

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Thomas Stuart MacKenzie is affiliated with 1 site of care and 1 medical group

Thomas MacKenzie's primary practice is Gundersen La Crosse Clinic in La Crosse, Wisconsin. The medical group on file is Gundersen Health System.

Gundersen La Crosse ClinicMulti-specialty group site · La Crosse, WisconsinPrimary
Gundersen Health SystemPrimary care group, La Crosse, WI

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Thomas Stuart MacKenzie's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Thomas MacKenzie practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Gundersen La Crosse ClinicAvailable with a free account

Source: Dmand AI Technology Install Data

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Thomas Stuart MacKenzie is one of 97 orals and maxillofacial surgery (dentist)s in Wisconsin

Oral and maxillofacial surgery is Thomas MacKenzie's primary specialty in the NPI Registry, under taxonomy code 1223S0112X. Dmand AI has Thomas MacKenzie's licenses on file in 4 states: Wisconsin, Minnesota, Texas and Washington.

Specialties and state licenses

  • Oral and maxillofacial surgery (dentist), WisconsinPrimaryLicense 6871 · taxonomy 1223S0112X
  • Minnesota licenseLicense D13296
  • Texas licenseLicense 13769
  • Washington licenseLicense DE00008885

Orals and maxillofacial surgery (dentist)s near Thomas MacKenzie

Counts of orals and maxillofacial surgery (dentist)s with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Thomas Stuart MacKenzie's patients have a median age of 25

Across all payers, Dmand AI patient panel data puts Thomas MacKenzie's median patient age at 25, with 50% women.

Thomas MacKenzie's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 25

Patient panel by sex, all payers

  • Women50%
  • Men50%

Source: Dmand AI Patient Panel Data

Thomas Stuart MacKenzie received $138 in industry payments in 2025

CMS Open Payments shows 1 general payment to Thomas MacKenzie from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. DePuy Synthes Sales Inc. paid the most, $138.

Companies that paid Thomas MacKenzie the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Thomas MacKenzie

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Thomas Stuart MacKenzie's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Thomas Stuart MacKenzie

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Thomas Stuart MacKenzie's NPI number?

Thomas Stuart MacKenzie's NPI number is 1205814407. It was assigned on January 6, 2006, and it is active in the NPI Registry.

What does Thomas Stuart MacKenzie specialize in?

Thomas Stuart MacKenzie is an oral and maxillofacial surgery (dentist) in La Crosse, Wisconsin. The primary specialty in the NPI Registry is Oral and Maxillofacial Surgery (Dentist) (taxonomy code 1223S0112X).

Where does Thomas Stuart MacKenzie practice?

Thomas MacKenzie practices at 1836 S Ave Suite 01 Suite 01, La Crosse, WI 54601-5429. Thomas MacKenzie's primary practice is Gundersen La Crosse Clinic in La Crosse, Wisconsin.

What is Thomas Stuart MacKenzie's office phone number?

The practice phone on file for Thomas MacKenzie is (608) 782-7300.

What is Thomas Stuart MacKenzie's medical license number?

Thomas MacKenzie holds Wisconsin license 6871, one of the licenses on file in 4 states.

Which states has Thomas Stuart MacKenzie been licensed in?

Dmand AI has state licenses on file for Thomas MacKenzie in Wisconsin, Minnesota, Texas and Washington.

What medical group is Thomas Stuart MacKenzie part of?

Thomas MacKenzie is linked to Gundersen Health System.

Has Thomas Stuart MacKenzie received payments from drug or device companies?

CMS Open Payments shows $138 in general payments to Thomas MacKenzie from 1 company from 2025 to 2025. The largest total came from DePuy Synthes Sales Inc.

How long has Thomas Stuart MacKenzie been practicing?

Thomas MacKenzie's NPI was assigned in 2006.

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