Stephen Thomas Youniss, D.D.S.
General Practice Dentistry · Baltimore, MD
Stephen Thomas Youniss, D.D.S. is a general practice dentistry with a practice address in Baltimore, Maryland, and NPI 1003939430, issued on Apr 9, 2007. Check the license (Maryland 7988, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephen Thomas Youniss
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 7988 MD
Self-reported in NPPES; status is on the state search - Practice location
- 19 Fontana LN, Baltimore, MD 21237
- Phone
- (410) 574-3666
- Enumerated
- Apr 9, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 2,408 in Maryland → Look up another NPI →
Also registered at 19 Fontana LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen Thomas Youniss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 7988Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average general practice dentistry in 2024
329 Medicare Part D claims for 195 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Penicillin V Potassium194 claims
- Amoxicillin-Clavulanate Potass29 claims
- Azithromycin27 claims
- Amoxicillin22 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: $3,032.72
9 payments; by number, the most common kind was food and beverage; the largest payer was Dentsply LLC. 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.
Stephen Thomas Youniss among 2,408 general practice dentistry records in Maryland
Stephen Thomas Youniss, D.D.S. is one of 2,408 general practice dentistry records with a practice address in Maryland. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 28% of them.
- NPI issued2007 · 28% of these records are older, 45% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 72% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Dentistry providers in Maryland
There are 2,408 general practice dentistry records in Maryland.
All 2,408 in Maryland → Every provider in Baltimore → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Alison Baker, D.D.S.Baltimore, MD 212371538333901
- Bonita Cody, DMDRosedale, MD 212371780885293
- Kenneth Deacon, DDSBaltimore, MD 212371093921868
- Peter Diacoloukas, DDSRosedale, MD 212371619096435
- Maria Duckett, D.D.SBaltimore, MD 212371104979962
- Linh Duckett, D.D.S.Baltimore, MD 212371740333517
- Cletus Fonmedig, DDSRosedale, MD 212371518129998
- Jerry Horodowicz, D.D.S.Baltimore, MD 212371477761583
Common questions
What is Stephen Thomas Youniss, D.D.S.'s NPI number?
Stephen Thomas Youniss, D.D.S.'s National Provider Identifier (NPI) is 1003939430, issued on Apr 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Thomas Youniss, D.D.S. located?
The NPPES record lists a practice address at 19 Fontana LN, Baltimore, MD, 21237. Phone: (410) 574-3666. Providers update this record themselves, so call before visiting.
How can I verify Stephen Thomas Youniss, D.D.S.'s license?
NPPES lists Maryland license number 7988, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Stephen Thomas Youniss, D.D.S. prescribe under Medicare Part D?
In 2024, Stephen Thomas Youniss, D.D.S. had 329 Medicare Part D claims for 195 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.