Joanna Yun, MD
Family Medicine Physician · Waipahu, HI
Joanna Yun, MD is a family medicine physician with a practice address in Waipahu, Hawaii, and NPI 1316202450, issued on Jul 4, 2012. Check the license (Hawaii MD-21245, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Joanna Yun
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- MD-21245 HI
25MA10349600 NJ
280611 NY
MD61121510 WA
Self-reported in NPPES; status is on the state search - Practice location
- 94-1480 Moaniani St, Waipahu, HI 96797
- Phone
- (808) 432-3100
- Enumerated
- Jul 4, 2012
- Record last updated
- Aug 23, 2023
- Medicare enrollment
- Enrolled (PECOS I20220516002849); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 730 in Hawaii → Look up another NPI →
Also registered at 94-1480 Moaniani St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Ahuna, MDFamily Medicine Physician1144314683
- Mary Alvior, LCSWClinical Social Worker1114055597
- Jordan AndersonPharmacist1235975541
- Zachary Ariola, PHARM DPharmacist1124298153
- Russell Au, ODOptometrist1043329832
- Jolene Bachman, MDObstetrics & Gynecology Physician1225184393
Verify Joanna Yun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-21245Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% more Medicare Part D claims than the average family medicine physician in 2024
6,040 Medicare Part D claims for 787 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 320 claims were for opioids.
Most prescribed
- Atorvastatin Calcium637 claims
- Losartan Potassium337 claims
- Amlodipine Besylate232 claims
- Levothyroxine Sodium193 claims
- Lisinopril186 claims
- Zolpidem Tartrate138 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
- Hawaii Permanente Medical Group IncWailuku, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joanna Yun among 730 family medicine physician records in Hawaii
Joanna Yun, MD is one of 730 family medicine physician records with a practice address in Hawaii. 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 2012, is newer than 64% of them.
- NPI issued2012 · 64% of these records are older, 34% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2012 · median 2006 among the 383 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 family medicine physician records list a practice address in Waipahu
They are 31 of the 1,605 NPPES records with a practice address in Waipahu, and 730 family medicine physician records in Hawaii.
All 730 in Hawaii → Every provider in Waipahu → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- William Ahuna, MDWaipahu, HI 967971144314683
- William Clevenger, MDWaipahu, HI 967971821161746
- Emilani Crow, MDWaipahu, HI 967971124073184
- Benjamin Gozun, M.D.Waipahu, HI 967971598853012
- Christina Lee, MDWaipahu, HI 967971538244058
- Inesa Levitz, MDWaipahu, HI 967971720028533
- Howard NeudorfWaipahu, HI 967971740267145
- Paz Nuanez, M.D.Waipahu, HI 967971659320307
Common questions
What is Joanna Yun, MD's NPI number?
Joanna Yun, MD's National Provider Identifier (NPI) is 1316202450, issued on Jul 4, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Joanna Yun, MD located?
The NPPES record lists a practice address at 94-1480 Moaniani St, Waipahu, HI, 96797. Phone: (808) 432-3100. Providers update this record themselves, so call before visiting.
How can I verify Joanna Yun, MD's license?
NPPES lists Hawaii license number MD-21245, 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 Joanna Yun, MD prescribe under Medicare Part D?
In 2024, Joanna Yun, MD had 6,040 Medicare Part D claims for 787 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.