NPPES file of Aug 9, 2026

Timothy C. McAdams, D.D.S

General Practice Dentistry · Brewster, MA

Timothy C. McAdams, D.D.S is a general practice dentistry with a practice address in Brewster, Massachusetts, and NPI 1659476679, issued on Sep 14, 2006. Check the license (Massachusetts 20478, as entered in NPPES) with the Massachusetts 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
1659476679
Name
Timothy C. McAdams
Credential
D.D.S
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
20478 MA
Self-reported in NPPES; status is on the state search
Practice location
2187 Main St, Brewster, MA 02631
Phone
(508) 896-5951
Enumerated
Sep 14, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(508) 896-5440
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.
Download card Updates feed

Also registered at 2187 Main St

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

  1. Hilary St Pierre, DDSDentist1962074260
  2. Nicholas Storer, RDHDental Hygienist1336038496
  3. Julia Wilson, DMDGeneral Practice Dentistry1053972083

Verify Timothy C. McAdams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 20478
    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 Massachusetts 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

66% more Medicare Part D claims than the average general practice dentistry in 2024

138 Medicare Part D claims for 108 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Timothy McAdams138
  2. Specialty average83

Most prescribed

  1. Amoxicillin102 claims
  2. Clindamycin Hcl14 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.

3 general practice dentistry records list a practice address in Brewster

They are 3 of the 135 NPPES records with a practice address in Brewster, and 3,489 general practice dentistry records in Massachusetts.

Other general practice dentistry records in Massachusetts

  1. Mark Aaron, DMDGreat Barrington, MA1902020902
  2. Heidi Aaronson, D.M.D.Wellesley, MA1134375652
  3. Jamil Abbasy, DMDSouthampton, MA1992988026
  4. Sama Abdul-Aziz, DMDBoston, MA1427543610
  5. Muhannad AbdulghaniBrockton, MA1326806654
  6. Noor AbdulkareemQuincy, MA1932809662
  7. Asma AbdullahShrewsbury, MA1225301237
  8. Abdulaziz Abdulwahed, BDSBoston, MA1730637414
  9. Sabahat Abernethy, DMD, CAGSAbington, MA1518089903
  10. Rana Abood, DMDBoston, MA1376660936

Common questions

What is Timothy C. McAdams, D.D.S's NPI number?

Timothy C. McAdams, D.D.S's National Provider Identifier (NPI) is 1659476679, issued on Sep 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Timothy C. McAdams, D.D.S located?

The NPPES record lists a practice address at 2187 Main St, Brewster, MA, 02631. Phone: (508) 896-5951. Providers update this record themselves, so call before visiting.

How can I verify Timothy C. McAdams, D.D.S's license?

NPPES lists Massachusetts license number 20478, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Timothy C. McAdams, D.D.S prescribe under Medicare Part D?

In 2024, Timothy C. McAdams, D.D.S had 138 Medicare Part D claims for 108 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.