Ryan Yoshimura Shields, M.D.
Obstetrics & Gynecology Physician · Honolulu, HI
Ryan Yoshimura Shields, M.D. is an obstetrics & gynecology physician with a practice address in Honolulu, Hawaii, and NPI 1679812531, issued on Feb 12, 2013. Check the license (Hawaii MD-22923, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ryan Yoshimura Shields
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- MD-22923 HI
MD2020-0672 NM
Self-reported in NPPES; status is on the state search - Practice location
- 1380 Lusitana St Ste 1004, Honolulu, HI 96813
- Phone
- (808) 686-4690
- Enumerated
- Feb 12, 2013
- Record last updated
- Oct 15, 2022
- Fax
- (808) 686-2127
- Medicare enrollment
- Enrolled (PECOS I20221020002128); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 288 in Hawaii → Look up another NPI →
Also registered at 1380 Lusitana St Ste 1004
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Ing, MDObstetrics & Gynecology Physician1235794454
- Olivia Manayan, MD, MPHObstetrics & Gynecology Physician1407470560
Verify Ryan Yoshimura Shields in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-22923Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
36 Medicare Part D claims for 21 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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
- Queens North Hawaii Community HospitalKamuela, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Yoshimura Shields among 288 obstetrics & gynecology physician records in Hawaii
Ryan Yoshimura Shields, M.D. is one of 288 obstetrics & gynecology physician records with a practice address in Hawaii. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 69% of them.
- NPI issued2013 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2016 · median 2006 among the 158 with a school on file
- Record last updated2022 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
160 obstetrics & gynecology physician records list a practice address in Honolulu
They are 160 of the 12,408 NPPES records with a practice address in Honolulu, and 288 obstetrics & gynecology physician records in Hawaii.
All 288 in Hawaii → Every provider in Honolulu → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Chao Chen, MDHonolulu, HI 968131891866240
- Benton Chun, M.D.Honolulu, HI 968131821176454
- Franklin Dao, MDHonolulu, HI 968131174617609
- Gary Fujimoto, M.D.Honolulu, HI 968131902960883
- Denise Hew, M.D.Honolulu, HI 968131700972544
- Bruce Kessel, M.D.Honolulu, HI 968131972550523
- Melanie Lau, M.D.Honolulu, HI 968131538200142
- Renee Sato, MDHonolulu, HI 968131861447120
Common questions
What is Ryan Yoshimura Shields, M.D.'s NPI number?
Ryan Yoshimura Shields, M.D.'s National Provider Identifier (NPI) is 1679812531, issued on Feb 12, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Yoshimura Shields, M.D. located?
The NPPES record lists a practice address at 1380 Lusitana St Ste 1004, Honolulu, HI, 96813. Phone: (808) 686-4690. Providers update this record themselves, so call before visiting.
How can I verify Ryan Yoshimura Shields, M.D.'s license?
NPPES lists Hawaii license number MD-22923, 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 Ryan Yoshimura Shields, M.D. prescribe under Medicare Part D?
In 2024, Ryan Yoshimura Shields, M.D. had 36 Medicare Part D claims for 21 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.