Alexander Stuart Armstrong, DDS
Endodontics · Toledo, OH
Alexander Stuart Armstrong, DDS is an endodontics with a practice address in Toledo, Ohio, and NPI 1609982230, issued on Aug 23, 2006. Check the license (Ohio 30012169, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alexander Stuart Armstrong
- Credential
- DDS
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- 30012169 OH
Self-reported in NPPES; status is on the state search - Practice location
- 4352 Sylvania Ave, Toledo, OH 43623
- Phone
- (419) 882-8388
- Enumerated
- Aug 23, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (419) 885-2848
- Entity
- Type 1 · individual
8 nearest endodontics records → All 186 in Ohio → Look up another NPI →
Also registered at 4352 Sylvania Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Wagenhauser, DDSGeneral Practice Dentistry1598966046
Verify Alexander Stuart 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 30012169Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average endodontics in 2024
19 Medicare Part D claims for 12 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $300.00
2 payments; by number, the most common kind was education; the largest payer was Straumann USA LLC. The 2,057 providers of this specialty with any payment received $49,739.86 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.
Alexander Stuart Armstrong among 186 endodontics records in Ohio
Alexander Stuart Armstrong, DDS is one of 186 endodontics records with a practice address in Ohio. 65% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 61% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2007 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in Ohio
There are 186 endodontics records in Ohio.
All 186 in Ohio → Every provider in Toledo → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Maxwell Beattie, DDSToledo, OH 436231134752637
- David Carter, DMDToledo, OH 436231659582757
- Matthew Dietrich, D.D.SToledo, OH 436231740489038
- David O'Connor, D.M.D.Toledo, OH 436231194876482
- Judy Boutros, D.D.S.Ottawa Hills, OH 436061417152125
- Carl Marion, D.D.S.Toledo, OH 436061558450320
- Rodney Paladino, DDSSylvania, OH 435601851324867
- Jacob Judy, D.D.S.Zanesville, OH 437011346629516
Common questions
What is Alexander Stuart Armstrong, DDS's NPI number?
Alexander Stuart Armstrong, DDS's National Provider Identifier (NPI) is 1609982230, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Stuart Armstrong, DDS located?
The NPPES record lists a practice address at 4352 Sylvania Ave, Toledo, OH, 43623. Phone: (419) 882-8388. Providers update this record themselves, so call before visiting.
How can I verify Alexander Stuart Armstrong, DDS's license?
NPPES lists Ohio license number 30012169, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
How much does Alexander Stuart Armstrong, DDS prescribe under Medicare Part D?
In 2024, Alexander Stuart Armstrong, DDS had 19 Medicare Part D claims for 12 beneficiaries; the average among endodontics prescribers was 121. 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.