Registry data as of Aug 27, 2026

Dennis Winson, DDS

Periodontics · Bethesda, MD

Dennis Winson, DDS is a periodontics with a practice address in Bethesda, Maryland, and NPI 1457449738, issued on Oct 11, 2006. Check the license (Maryland 4078, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1457449738
Name
Dennis Winson
Credential
DDS
Primary taxonomy
Periodontics 1223P0300X
License number
4078 MD
Self-reported in NPPES; status is on the state search
Practice location
8218 Wisconsin Avenue, Bethesda, MD 20814
Phone
(301) 656-0331
Enumerated
Oct 11, 2006
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 8218 Wisconsin Avenue

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

  1. Charles Chen, DDSPeriodontics1346338639
  2. Gerard Fegan, MDPsychiatry Physician1356556088
  3. Mary Fuller, RD,LDRegistered Dietitian1386941730
  4. Edward Zupnik, DDSPeriodontics1124116413
  5. Robert Zupnik, DDS MSDPeriodontics1417045717

Verify Dennis Winson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license 4078
    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 Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

96% fewer Medicare Part D claims than the average periodontics in 2024

11 Medicare Part D claims, against an average of 279 among the 3,776 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Dennis Winson11
  2. Specialty average279

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.

Periodontics providers in Maryland

There are 151 periodontics records in Maryland.

Other periodontics records in Maryland

  1. Mary Aichelmann-Reidy, DDSBaltimore, MD1073653002
  2. Mary Alexander, DDSSilver Spring, MD1588828073
  3. Reiaz Ali, D.D.S., M.S.Clinton, MD1104066257
  4. Augusto Araujo, D.M.D.Chevy Chase, MD1457565384
  5. Judith Austin, D.M.D.Rockville, MD1932305422
  6. Salar Azad, DDSFrederick, MD1578092771
  7. Ramin Azghandi, DDSGermantown, MD1215023296
  8. Sanford Barber, DMDRockville, MD1801983077
  9. Jared Beck, D.M.D.Bethesda, MD1497981104
  10. Alan Bernbach, D.M.D.Silver Spring, MD1356465108

Common questions

What is Dennis Winson, DDS's NPI number?

Dennis Winson, DDS's National Provider Identifier (NPI) is 1457449738, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dennis Winson, DDS located?

The NPPES record lists a practice address at 8218 Wisconsin Avenue, Bethesda, MD, 20814. Phone: (301) 656-0331. Providers update this record themselves, so call before visiting.

How can I verify Dennis Winson, DDS's license?

NPPES lists Maryland license number 4078, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Dennis Winson, DDS prescribe under Medicare Part D?

In 2024, Dennis Winson, DDS had 11 Medicare Part D claims; the average among periodontics prescribers was 279. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.