NPPES file of Aug 9, 2026

Ross H. Masunaga, DDS

General Practice Dentistry · Wahiawa, HI

Ross H. Masunaga, DDS is a general practice dentistry with a practice address in Wahiawa, Hawaii, and NPI 1427245059, issued on Sep 27, 2007. Check the license (Hawaii DL1897, as entered in NPPES) with the Hawaii 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
1427245059
Name
Ross H. Masunaga
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
DL1897 HI
Self-reported in NPPES; status is on the state search
Practice location
960 Center St, Wahiawa, HI 96786
Phone
(808) 622-1116
Enumerated
Sep 27, 2007
Record last updated
Sep 27, 2007 (not updated in 19 years: call before relying on the address or phone)
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 960 Center St

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

  1. Arthur Kobayashi, O.D.Optometrist1396965737
  2. Susan Yee-Loh, APRNFamily Nurse Practitioner1316124175

Verify Ross H. Masunaga in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Hawaii board licenses this profession
    Search for license DL1897
    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
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55% more Medicare Part D claims than the average general practice dentistry in 2024

129 Medicare Part D claims for 56 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Ross Masunaga129
  2. Specialty average83

Most prescribed

  1. Chlorhexidine Gluconate59 claims
  2. Penicillin V Potassium33 claims
  3. Ibuprofen27 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: $86.88

3 payments; by number, the most common kind was food and beverage; the largest payer was Dentsply Sirona Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ross Masunaga$86.88
  2. Specialty average$597.01

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

15 general practice dentistry records list a practice address in Wahiawa

They are 15 of the 270 NPPES records with a practice address in Wahiawa, and 692 general practice dentistry records in Hawaii.

Other general practice dentistry records in Hawaii

  1. Dana Adachi, DDSHonolulu, HI1245799642
  2. Gerald Adachi, DMDHonolulu, HI1609082221
  3. Maria Adora, DMDHonolulu, HI1447482633
  4. Kern Agader, D.M.D.Kapolei, HI1831246610
  5. Stewart Ahn, DDSMililani, HI1619939725
  6. Edmund Akioka, DDSHonokaa, HI1295892545
  7. Edward Akioka, DDSHonokaa, HI1487492856
  8. Jason Ako, D.D.S.Honolulu, HI1013930452
  9. Genara Alcantra, DMDKapolei, HI1598896987
  10. Terry Allen, DDSLihue, HI1407909401

Common questions

What is Ross H. Masunaga, DDS's NPI number?

Ross H. Masunaga, DDS's National Provider Identifier (NPI) is 1427245059, issued on Sep 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ross H. Masunaga, DDS located?

The NPPES record lists a practice address at 960 Center St, Wahiawa, HI, 96786. Phone: (808) 622-1116. Providers update this record themselves, so call before visiting.

How can I verify Ross H. Masunaga, DDS's license?

NPPES lists Hawaii license number DL1897, as entered by the provider. Search the Hawaii board that licenses this profession; the NPPES record confirms identity only.

How much does Ross H. Masunaga, DDS prescribe under Medicare Part D?

In 2024, Ross H. Masunaga, DDS had 129 Medicare Part D claims for 56 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.