NPPES file of Aug 9, 2026

Ritsuko Mizoguchi, D.M.D.

Dentist · Hyannis, MA

Ritsuko Mizoguchi, D.M.D. is a dentist with a practice address in Hyannis, Massachusetts, and NPI 1851591036, issued on Jul 24, 2007. Check the license (Massachusetts 21650, 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
1851591036
Name
Ritsuko Mizoguchi
Credential
D.M.D.
Primary taxonomy
Dentist 122300000X
License number
21650 MA
Self-reported in NPPES; status is on the state search
Practice location
735 Attucks LN, Hyannis, MA 02601
Phone
(508) 778-0300
Enumerated
Jul 24, 2007
Record last updated
Jan 4, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(508) 778-8747
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 735 Attucks LN

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

  1. Hayel Abdul-Ghani, DMDDentist1164117289
  2. Ann Agurkis, BSN, RNRegistered Nurse1174370357
  3. Tammy AndrewsRegistered Nurse1144639733
  4. Nanci BallDental Hygienist1518445337
  5. Luiza Amelia Barbosa SimoesRegistered Nurse1114796398
  6. Debra Bateman, RDHDental Hygienist1083490759

Verify Ritsuko Mizoguchi 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 21650
    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

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33% more Medicare Part D claims than the average dentist in 2024

114 Medicare Part D claims for 76 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Ritsuko Mizoguchi114
  2. Specialty average86

Most prescribed

  1. Amoxicillin42 claims
  2. Chlorhexidine Gluconate32 claims
  3. Azithromycin11 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.

Ritsuko Mizoguchi among 2,934 dentist records in Massachusetts

Ritsuko Mizoguchi, D.M.D. is one of 2,934 dentist records with a practice address in Massachusetts. 58% 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 12% of them.

  • NPI issued2007 · 12% of these records are older, 77% newer
  • In a Medicare fileYes · 58% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2015 · 63% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dentist providers in Massachusetts

There are 2,934 dentist records in Massachusetts.

The 8 dentist records with the nearest ZIP codes

  1. Marcelo Bruycker DasilvaHyannis, MA 026011164408662
  2. Geoffrey Carignan, DMDHyannis, MA 026011780070524
  3. John CodjoeHyannis, MA 026011770618506
  4. Richard Demerjian, DMDHyannis, MA 026011780733683
  5. Danisel Gil, DDSHyannis, MA 026011306273032
  6. Dania Latimer, DDSHyannis, MA 026011811133242
  7. Sang Lee, D.M.DHyannis, MA 026011952638017
  8. Cezar Martini, DDSHyannis, MA 026011144205915

Common questions

What is Ritsuko Mizoguchi, D.M.D.'s NPI number?

Ritsuko Mizoguchi, D.M.D.'s National Provider Identifier (NPI) is 1851591036, issued on Jul 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ritsuko Mizoguchi, D.M.D. located?

The NPPES record lists a practice address at 735 Attucks LN, Hyannis, MA, 02601. Phone: (508) 778-0300. Providers update this record themselves, so call before visiting.

How can I verify Ritsuko Mizoguchi, D.M.D.'s license?

NPPES lists Massachusetts license number 21650, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Ritsuko Mizoguchi, D.M.D. prescribe under Medicare Part D?

In 2024, Ritsuko Mizoguchi, D.M.D. had 114 Medicare Part D claims for 76 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.