NPPES file of Aug 9, 2026

Nathan Thomas Seyer, D.D.S.

General Practice Dentistry · Cape Girardeau, MO

Nathan Thomas Seyer, D.D.S. is a general practice dentistry with a practice address in Cape Girardeau, Missouri, and NPI 1871887075, issued on Jun 6, 2011. Check the license (Missouri 2011015891, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871887075
Name
Nathan Thomas Seyer
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
2011015891 MO
Self-reported in NPPES; status is on the state search
Practice location
1818 Broadway St, Cape Girardeau, MO 63701
Phone
(573) 334-8884
Enumerated
Jun 6, 2011
Record last updated
Jun 6, 2011 (not updated in 15 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1818 Broadway St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alyssa Baker, DMDGeneral Practice Dentistry1558853697
  2. Janet Ruopp, D.D.SGeneral Practice Dentistry1144439894
  3. Patrick Ruopp, D.D.S.General Practice Dentistry1790995579

Verify Nathan Thomas Seyer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2011015891
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Missouri license search

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5.5 times the Medicare Part D claims of the average general practice dentistry in 2024

460 Medicare Part D claims for 193 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. 51 claims were for opioids.

  1. Nathan Seyer460
  2. Specialty average83

Most prescribed

  1. Amoxicillin176 claims
  2. Cephalexin126 claims
  3. Azithromycin58 claims
  4. Hydrocodone-Acetaminophen45 claims
  5. Triamcinolone Acetonide19 claims
  6. Methylprednisolone11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $222.31

6 payments; by number, the most common kind was food and beverage; the largest payer was Patterson Companies, Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nathan Seyer$222.31
  2. Specialty average$597.01

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Nathan Thomas Seyer among 1,982 general practice dentistry records in Missouri

Nathan Thomas Seyer, D.D.S. is one of 1,982 general practice dentistry records with a practice address in Missouri. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 65% of them.

  • NPI issued2011 · 65% of these records are older, 34% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2011 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

23 general practice dentistry records list a practice address in Cape Girardeau

They are 23 of the 1,897 NPPES records with a practice address in Cape Girardeau, and 1,982 general practice dentistry records in Missouri.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Alyssa Baker, DMDCape Girardeau, MO 637011558853697
  2. Ross Bennett, DDSCape Girardeau, MO 637011275742363
  3. Kuan Cao, DDSCape Girardeau, MO 637011902199011
  4. Ronald Lessmann, DDSCape Girardeau, MO 637011508080409
  5. Jeffrey Patton, D.D.S.Cape Girardeau, MO 637011831212703
  6. Janet Ruopp, D.D.SCape Girardeau, MO 637011144439894
  7. Patrick Ruopp, D.D.S.Cape Girardeau, MO 637011790995579
  8. Ramya Siddaiah, BDS, MDS (OMFS), DDSCape Girardeau, MO 637011255083564

Common questions

What is Nathan Thomas Seyer, D.D.S.'s NPI number?

Nathan Thomas Seyer, D.D.S.'s National Provider Identifier (NPI) is 1871887075, issued on Jun 6, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Thomas Seyer, D.D.S. located?

The NPPES record lists a practice address at 1818 Broadway St, Cape Girardeau, MO, 63701. Phone: (573) 334-8884. Providers update this record themselves, so call before visiting.

How can I verify Nathan Thomas Seyer, D.D.S.'s license?

NPPES lists Missouri license number 2011015891, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Nathan Thomas Seyer, D.D.S. prescribe under Medicare Part D?

In 2024, Nathan Thomas Seyer, D.D.S. had 460 Medicare Part D claims for 193 beneficiaries; the average among general practice dentistry prescribers was 83. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.