Mark Thomas Armstrong, D.D.S.
General Practice Dentistry · Troy, OH
Mark Thomas Armstrong, D.D.S. is a general practice dentistry with a practice address in Troy, Ohio, and NPI 1093713570, issued on Jul 8, 2005. Check the license (Ohio 30-018950, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Thomas Armstrong
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 30-018950 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1364 W Main St, Troy, OH 45373
- Phone
- (937) 339-3708
- Enumerated
- Jul 8, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (937) 339-2320
- Medicaid ID
- 0913757 OH
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 3,986 in Ohio → Look up another NPI →
Also registered at 1364 W Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tony Hirschfeld, D.D.S.Dentist1447464391
Verify Mark Thomas Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license 30-018950Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% more Medicare Part D claims than the average general practice dentistry in 2024
123 Medicare Part D claims for 64 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin41 claims
- Chlorhexidine Gluconate35 claims
- Cephalexin26 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.
Mark Thomas Armstrong among 3,986 general practice dentistry records in Ohio
Mark Thomas Armstrong, D.D.S. is one of 3,986 general practice dentistry records with a practice address in Ohio. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 96% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2026 · 74% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 general practice dentistry records list a practice address in Troy
They are 16 of the 783 NPPES records with a practice address in Troy, and 3,986 general practice dentistry records in Ohio.
All 3,986 in Ohio → Every provider in Troy → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Mark Bentley, D.D.S.Troy, OH 453731588723423
- Allen Berk, DDSTroy, OH 453731902908098
- John Black, DDSTroy, OH 453731437236569
- Michael CebulkaTroy, OH 453731922634179
- Paula Coleman, DDSTroy, OH 453731841360963
- Leslie Culp, D.D.S.Troy, OH 453731891812475
- Anthony Dunkin-Moscato, D.D.S.Troy, OH 453731841384179
- Michael Feinstein, D.D.S.Troy, OH 453731841523040
Common questions
What is Mark Thomas Armstrong, D.D.S.'s NPI number?
Mark Thomas Armstrong, D.D.S.'s National Provider Identifier (NPI) is 1093713570, issued on Jul 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Thomas Armstrong, D.D.S. located?
The NPPES record lists a practice address at 1364 W Main St, Troy, OH, 45373. Phone: (937) 339-3708. Providers update this record themselves, so call before visiting.
How can I verify Mark Thomas Armstrong, D.D.S.'s license?
NPPES lists Ohio license number 30-018950, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Thomas Armstrong, D.D.S. prescribe under Medicare Part D?
In 2024, Mark Thomas Armstrong, D.D.S. had 123 Medicare Part D claims for 64 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.