NPPES file of Aug 9, 2026

Sean Micheal Mercer, D.D.S.

Dentist · Dover, DE

Sean Micheal Mercer, D.D.S. is a dentist with a practice address in Dover, Delaware, and NPI 1609940980, issued on Nov 20, 2006. Check the license (Delaware G10001155, as entered in NPPES) with the Delaware 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
1609940980
Name
Sean Micheal Mercer
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License number
G10001155 DE
Self-reported in NPPES; status is on the state search
Practice location
77 Saulsbury RD, Dover, DE 19904
Phone
(302) 678-2942
Enumerated
Nov 20, 2006
Record last updated
Jul 28, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(302) 678-2294
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 77 Saulsbury RD

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

  1. Mark Charvat, DDSDentist1467032565
  2. Elizabeth DennisGeneral Practice Dentistry1508551102
  3. Thomas Mercer, D.M.D.Dentist1073687257
  4. Thomas Mercer, D.M.D.Dentist1932273216
  5. Chloe Philip, DDSGeneral Practice Dentistry1932894425
  6. Bradley Rogge, DDSGeneral Practice Dentistry1134726896

Verify Sean Micheal Mercer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Delaware board licenses this profession
    Search for license G10001155
    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 Delaware license search

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15% fewer Medicare Part D claims than the average dentist in 2024

73 Medicare Part D claims for 57 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Sean Mercer73
  2. Specialty average86

Most prescribed

  1. Amoxicillin51 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: $140.61

4 payments; by number, the most common kind was food and beverage; the largest payer was BioHorizons Implant Systems Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sean Mercer$140.61
  2. Specialty average$540.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Sean Micheal Mercer among 194 dentist records in Delaware

Sean Micheal Mercer, D.D.S. is one of 194 dentist records with a practice address in Delaware. 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 69% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2020 · 76% 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 Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dentist providers in Delaware

There are 194 dentist records in Delaware.

The 8 dentist records with the nearest ZIP codes

  1. Anna Aquine Kujaruk, DMDDover, DE 199041770337925
  2. Sara Bevan, D.M.D.Dover, DE 199041114281490
  3. Mark Charvat, DDSDover, DE 199041467032565
  4. John Fontana, D.M.D.Dover, DE 199041336418151
  5. Thomas Mercer, D.M.D.Dover, DE 199041073687257
  6. Thomas Mercer, D.M.D.Dover, DE 199041932273216
  7. Christopher Nacrelli, DMDDover, DE 199041609984871
  8. Thomas Postlethwait, DDSDover, DE 199041871638668

Common questions

What is Sean Micheal Mercer, D.D.S.'s NPI number?

Sean Micheal Mercer, D.D.S.'s National Provider Identifier (NPI) is 1609940980, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sean Micheal Mercer, D.D.S. located?

The NPPES record lists a practice address at 77 Saulsbury RD, Dover, DE, 19904. Phone: (302) 678-2942. Providers update this record themselves, so call before visiting.

How can I verify Sean Micheal Mercer, D.D.S.'s license?

NPPES lists Delaware license number G10001155, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.

How much does Sean Micheal Mercer, D.D.S. prescribe under Medicare Part D?

In 2024, Sean Micheal Mercer, D.D.S. had 73 Medicare Part D claims for 57 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.