Nathan Thomas Seyer, DDS
- Part D claims, 2024
- 460
- Industry payments
- $252
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1818 Broadway St, Cape Girardeau, MO 63701-4508
- Practice phone
- Call (573) 334-8884
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ruopp And Ruopp
Dental practice · Cape Girardeau, Missouri
Find Nathan Seyer'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.
Nathan Thomas Seyer is a general practice dentistry in Dexter, Missouri
Nathan Seyer practices at Ruopp And Ruopp in Cape Girardeau, Missouri.
Nathan Seyer's NPI, 1871887075, was assigned on June 6, 2011. Nathan Seyer holds Missouri license 2011015891.
- NPI
- 1871887075NPI Registry (opens in a new tab)
- NPI enumeration date
- June 6, 2011
- NPI status
- Active
- Practice phone
- (573) 334-8884
- 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)
Nathan Thomas Seyer practices in Cape Girardeau and Dexter
Nathan Seyer's primary practice is Ruopp and Ruopp, at 1818 Broadway St, Cape Girardeau, MO 63701-4508. The practice phone is (573) 334-8884. The NPI Registry lists Nathan Seyer's practice address as 1425 W Business Us Hwy 60, Dexter, MO 63841.
- Ruopp and RuoppPrimary1818 Broadway St, Cape Girardeau, MO 63701-4508Phone(573) 334-8884
- NPI Registry address1425 W Business Us Hwy 60, Dexter, MO 63841 · Stoddard County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Nathan Thomas Seyer is affiliated with 1 site of care and 1 medical group
Nathan Seyer's primary practice is Ruopp And Ruopp in Cape Girardeau, Missouri. Dmand AI also links Nathan Seyer 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 Nathan Thomas Seyer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nathan Seyer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ruopp And Ruopp | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Nathan Thomas Seyer is one of 945 general practice dentistrys in Missouri
General practice is Nathan Seyer's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Nathan Seyer is licensed in Missouri.
Specialties and state licenses
- General practice dentistry, MissouriPrimary
General practice dentistrys near Nathan Seyer
Counts of general practice dentistrys 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
Nathan Thomas Seyer's patients have a median age of 35
Across all payers, Dmand AI patient panel data puts Nathan Seyer's median patient age at 35, with 0% women.
Nathan Seyer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 35
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Nathan Thomas Seyer wrote 460 Medicare Part D claims in 2024
In 2024, Nathan Seyer wrote 460 Medicare Part D claims for 193 patients. 99% of them were for generic drugs.
Nathan Seyer's Part D claims by kind of drug, 2024
- Generic455 claims99%
- Brand-name and other5 claims1%
Drug classes CMS tracks in Nathan Seyer's Part D claims, 2024
- Opioids11%51 of 460 claims
- Antibiotics80%369 of 460 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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Nathan Thomas Seyer received $252 in industry payments in 2025
CMS Open Payments shows 4 general payments to Nathan Seyer from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Patterson Companies, Inc. paid the most, $176.
Companies that paid Nathan Seyer 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 Nathan Thomas Seyer'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| 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 Nathan Thomas Seyer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Nathan Thomas Seyer's NPI number?
Nathan Thomas Seyer's NPI number is 1871887075. It was assigned on June 6, 2011, and it is active in the NPI Registry.
What does Nathan Thomas Seyer specialize in?
Nathan Thomas Seyer is a general practice dentistry in Dexter, Missouri. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Nathan Thomas Seyer practice?
Nathan Seyer practices at 1818 Broadway St, Cape Girardeau, MO 63701-4508. Nathan Seyer also practices at 1425 W Business Us Hwy 60, Dexter, MO 63841. Nathan Seyer's primary practice is Ruopp And Ruopp in Cape Girardeau, Missouri. Dmand AI also links Nathan Seyer to 1 medical group.
What is Nathan Thomas Seyer's office phone number?
The practice phone on file for Nathan Seyer is (573) 334-8884.
What is Nathan Thomas Seyer's medical license number?
Nathan Seyer holds Missouri license 2011015891.
Has Nathan Thomas Seyer received payments from drug or device companies?
CMS Open Payments shows $252 in general payments to Nathan Seyer from 2 companies from 2025 to 2025. The largest total came from Patterson Companies, Inc.
How long has Nathan Thomas Seyer been practicing?
Nathan Seyer's NPI was assigned in 2011.
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