Lee Thomas Gertsen, DDS
- Part D claims, 2024
- 38
- Industry payments
- $13
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Practice address
- 2001 W 45th St, Sioux Falls, SD 57105-6265
- Practice phone
- Call (605) 338-9242
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Jones & Colbert INC
Dental practice · Sioux Falls, South Dakota
Find Lee Gertsen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Lee Thomas Gertsen is a dentist in Sioux Falls, South Dakota
Lee Gertsen practices at Jones & Colbert INC in Sioux Falls, South Dakota.
Lee Gertsen's NPI, 1780811406, was assigned on June 20, 2009. Lee Gertsen holds South Dakota license D0908.
- NPI
- 1780811406NPI Registry (opens in a new tab)
- NPI enumeration date
- June 20, 2009
- NPI status
- Active
- Practice phone
- (605) 338-9242
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Lee Thomas Gertsen practices at Jones & Colbert INC in Sioux Falls, South Dakota
Lee Gertsen's primary practice is Jones & Colbert INC, at 2001 W 45th St, Sioux Falls, SD 57105-6265. The practice phone is (605) 338-9242.
- Jones & Colbert INC2001 W 45th St, Sioux Falls, SD 57105-6265Phone(605) 338-9242
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Lee Thomas Gertsen is affiliated with 1 site of care and 1 medical group
Lee Gertsen's primary practice is Jones & Colbert INC in Sioux Falls, South Dakota. Dmand AI also links Lee Gertsen to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Lee Thomas Gertsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Lee Gertsen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jones & Colbert INC | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Lee Thomas Gertsen is one of 129 dentists in South Dakota
Dentist is Lee Gertsen's primary specialty in the NPI Registry, under taxonomy code 122300000X. Dmand AI has Lee Gertsen's licenses on file in 2 states: South Dakota and Iowa.
Specialties and state licenses
- Dentist, South DakotaPrimary
- General practice dentistry, Iowa
Dentists near Lee Gertsen
Counts of dentists 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
Lee Thomas Gertsen's patients have a median age of 44
Across all payers, Dmand AI patient panel data puts Lee Gertsen's median patient age at 44, with 67% women.
Lee Gertsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Lee Thomas Gertsen wrote 38 Medicare Part D claims in 2024
In 2024, Lee Gertsen wrote 38 Medicare Part D claims for 27 patients. 95% of them were for generic drugs.
Lee Gertsen's Part D claims by kind of drug, 2024
- Generic36 claims95%
- Brand-name and other2 claims5%
Drug classes CMS tracks in Lee Gertsen's Part D claims, 2024
- Antibiotics47%18 of 38 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Lee Thomas Gertsen received $13 in industry payments in 2025
CMS Open Payments shows 1 general payment to Lee Gertsen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Align Technology, Inc. paid the most, $13.
Companies that paid Lee Gertsen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Lee Thomas Gertsen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Lee Thomas Gertsen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Lee Thomas Gertsen's NPI number?
Lee Thomas Gertsen's NPI number is 1780811406. It was assigned on June 20, 2009, and it is active in the NPI Registry.
What does Lee Thomas Gertsen specialize in?
Lee Thomas Gertsen is a dentist in Sioux Falls, South Dakota. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does Lee Thomas Gertsen practice?
Lee Gertsen practices at 2001 W 45th St, Sioux Falls, SD 57105-6265. Lee Gertsen's primary practice is Jones & Colbert INC in Sioux Falls, South Dakota. Dmand AI also links Lee Gertsen to 1 medical group.
What is Lee Thomas Gertsen's office phone number?
The practice phone on file for Lee Gertsen is (605) 338-9242.
What is Lee Thomas Gertsen's medical license number?
Lee Gertsen holds South Dakota license D0908, one of the licenses on file in 2 states.
Which states has Lee Thomas Gertsen been licensed in?
Dmand AI has state licenses on file for Lee Gertsen in South Dakota and Iowa.
Has Lee Thomas Gertsen received payments from drug or device companies?
CMS Open Payments shows $13 in general payments to Lee Gertsen from 1 company from 2025 to 2025. The largest total came from Align Technology, Inc.
How long has Lee Thomas Gertsen been practicing?
Lee Gertsen's NPI was assigned in 2009.
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