Douglas Dung Do, M.D, M.P.H
Internal Medicine Physician · Hilo, HI
Douglas Dung Do, M.D, M.P.H is an internal medicine physician with a practice address in Hilo, Hawaii, and NPI 1265732622, issued on Nov 1, 2010. Check the license (Hawaii MD16142, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Douglas Dung Do
- Credential
- M.D, M.P.H
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD16142 HI
A114741 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1190 Waianuenue Ave, Hilo, HI 96720
- Phone
- (925) 487-8947
- Enumerated
- Nov 1, 2010
- Record last updated
- Sep 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20221109002855); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 902 in Hawaii → Look up another NPI →
Also registered at 1190 Waianuenue Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joseph Aoki, MDAnatomic Pathology & Clinical Pathology Physician1083827000
- Harman Arora, MDEmergency Medicine Physician1932369725
- Drew Arruda-AkinePharmacist1952232563
- Noemi Arzaga, DNP, FNP-BCNurse Practitioner1336508563
Verify Douglas Dung Do in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD16142Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
240 Medicare Part D claims for 106 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Cefpodoxime Proxetil21 claims
- Atorvastatin Calcium12 claims
- Pradaxa11 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupFontana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas Dung Do among 902 internal medicine physician records in Hawaii
Douglas Dung Do, M.D, M.P.H is one of 902 internal medicine physician records with a practice address in Hawaii. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 35% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2007 · median 2001 among the 491 with a school on file
- Record last updated2023 · 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 207R00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 internal medicine physician records list a practice address in Hilo
They are 34 of the 1,758 NPPES records with a practice address in Hilo, and 902 internal medicine physician records in Hawaii.
All 902 in Hawaii → Every provider in Hilo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Carlos Abeyta, MDHilo, HI 967201942253109
- Wendy Barnes, MDHilo, HI 967201164534806
- Daniel Belcher, M.D.Hilo, HI 967201144270927
- Francis Cavanaugh, MDHilo, HI 967201033165998
- Alan Desilva, MD INC.Hilo, HI 967201790885994
- Mary Iyer, M.D.Hilo, HI 967201366470502
- David Jung, M.D.Hilo, HI 967201649281643
- Craig Kadooka, M.D.Hilo, HI 967201467419630
Common questions
What is Douglas Dung Do, M.D, M.P.H's NPI number?
Douglas Dung Do, M.D, M.P.H's National Provider Identifier (NPI) is 1265732622, issued on Nov 1, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Dung Do, M.D, M.P.H located?
The NPPES record lists a practice address at 1190 Waianuenue Ave, Hilo, HI, 96720. Phone: (925) 487-8947. Providers update this record themselves, so call before visiting.
How can I verify Douglas Dung Do, M.D, M.P.H's license?
NPPES lists Hawaii license number MD16142, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Douglas Dung Do, M.D, M.P.H prescribe under Medicare Part D?
In 2024, Douglas Dung Do, M.D, M.P.H had 240 Medicare Part D claims for 106 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.