NPPES file of Aug 9, 2026

John Francis Conaghan, D.D.S.

Dentist · Bethesda, MD

John Francis Conaghan, D.D.S. is a dentist with a practice address in Bethesda, Maryland, and NPI 1972638849, issued on Feb 22, 2007. Check the license (Maryland 9750, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972638849
Name
John Francis Conaghan
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License number
9750 MD
Self-reported in NPPES; status is on the state search
Practice location
8218 Wisconsin Ave, Bethesda, MD 20814
Phone
(301) 654-1777
Enumerated
Feb 22, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(301) 654-1777
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 Ave

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

  1. Charles Broring, DDSGeneral Practice Dentistry1447364302
  2. James Buchanan, DDSDentist1407022429
  3. T A Danny Bui, DDSGeneral Practice Dentistry1518075274
  4. Gregory Constable, PHARMDPharmacist1497016703
  5. Don Diggs, LIC. ACUPUNCTURISTAcupuncturist1841340668
  6. Sheila Farrell, P.T.Physical Therapist1609964428

Verify John Francis Conaghan 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 9750
    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.

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31% fewer Medicare Part D claims than the average dentist in 2024

59 Medicare Part D claims for 38 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. John Conaghan59
  2. Specialty average86

Most prescribed

  1. Amoxicillin41 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.

John Francis Conaghan among 1,870 dentist records in Maryland

John Francis Conaghan, D.D.S. is one of 1,870 dentist records with a practice address in Maryland. 60% 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 20% of them.

  • NPI issued2007 · 20% of these records are older, 65% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

138 dentist records list a practice address in Bethesda

They are 138 of the 7,245 NPPES records with a practice address in Bethesda, and 1,870 dentist records in Maryland.

The 8 dentist records with the nearest ZIP codes

  1. Marie Banzon, DDSBethesda, MD 208141679652606
  2. Hyacinth Brown, DDSBethesda, MD 208141003961186
  3. James Buchanan, DDSBethesda, MD 208141407022429
  4. Katherine Cheng, D.D.S.Bethesda, MD 208141205099124
  5. Stanley DorrowBethesda, MD 208141245319417
  6. Paul Iadarola, DDSBethesda, MD 208141386850584
  7. H Kazemi, DMDBethesda, MD 208141346319605
  8. Nardos Ketsela, DDSBethesda, MD 208141053474437

Common questions

What is John Francis Conaghan, D.D.S.'s NPI number?

John Francis Conaghan, D.D.S.'s National Provider Identifier (NPI) is 1972638849, issued on Feb 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Francis Conaghan, D.D.S. located?

The NPPES record lists a practice address at 8218 Wisconsin Ave, Bethesda, MD, 20814. Phone: (301) 654-1777. Providers update this record themselves, so call before visiting.

How can I verify John Francis Conaghan, D.D.S.'s license?

NPPES lists Maryland license number 9750, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does John Francis Conaghan, D.D.S. prescribe under Medicare Part D?

In 2024, John Francis Conaghan, D.D.S. had 59 Medicare Part D claims for 38 beneficiaries; the average among dentist prescribers was 86. 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.