Matthew Aaron Gassen, D.D.S.
General Practice Dentistry · Jefferson City, MO
Matthew Aaron Gassen, D.D.S. is a general practice dentistry with a practice address in Jefferson City, Missouri, and NPI 1619065695, issued on Oct 11, 2006. Check the license (Missouri 2001012606, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matthew Aaron Gassen
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 2001012606 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1801 Stadium Blvd, Jefferson City, MO 65109
- Phone
- (573) 634-3050
- Enumerated
- Oct 11, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (573) 635-6582
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 1,982 in Missouri → Look up another NPI →
Also registered at 1801 Stadium Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Teubner, D.D.S.,PCDentist1689697138
Verify Matthew Aaron Gassen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2001012606Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average general practice dentistry in 2024
263 Medicare Part D claims for 134 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin137 claims
- Amoxicillin60 claims
- Clindamycin Hcl51 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: $797.86
11 payments; by number, the most common kind was gift; the largest payer was Ultradent Products 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Matthew Aaron Gassen among 1,982 general practice dentistry records in Missouri
Matthew Aaron Gassen, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 61% 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 updated2007 · 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 Jefferson City
They are 23 of the 1,414 NPPES records with a practice address in Jefferson City, and 1,982 general practice dentistry records in Missouri.
All 1,982 in Missouri → Every provider in Jefferson City → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- William Ambrose, D.D.S.Jefferson City, MO 651091316158009
- Christopher Arbuckle, DDSJefferson City, MO 651091801097191
- Bart Carney, D.D.S.Jefferson City, MO 651091073724787
- Jason Dunville, D.D.S.Jefferson City, MO 651091548321219
- Brian Henningsen, DDSJefferson City, MO 651091033158993
- Justin Johnson, DDSJefferson City, MO 651091053516658
- Brian Link, DMDJefferson City, MO 651091538273735
- Corbin Marchack, DDSJefferson City, MO 651091770621468
Common questions
What is Matthew Aaron Gassen, D.D.S.'s NPI number?
Matthew Aaron Gassen, D.D.S.'s National Provider Identifier (NPI) is 1619065695, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Aaron Gassen, D.D.S. located?
The NPPES record lists a practice address at 1801 Stadium Blvd, Jefferson City, MO, 65109. Phone: (573) 634-3050. Providers update this record themselves, so call before visiting.
How can I verify Matthew Aaron Gassen, D.D.S.'s license?
NPPES lists Missouri license number 2001012606, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Matthew Aaron Gassen, D.D.S. prescribe under Medicare Part D?
In 2024, Matthew Aaron Gassen, D.D.S. had 263 Medicare Part D claims for 134 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.