Kasey Rei Kajiwara, M.D.
Obstetrics & Gynecology Physician · Aiea, HI
Kasey Rei Kajiwara, M.D. is an obstetrics & gynecology physician with a practice address in Aiea, Hawaii, and NPI 1689019895, issued on May 1, 2013. Check the license (Hawaii MD19152, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kasey Rei Kajiwara
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- MD19152 HI
Self-reported in NPPES; status is on the state search - Practice location
- 98-1005 Moanalua RD Spc 3010, Aiea, HI 96701
- Phone
- (808) 671-0090
- Enumerated
- May 1, 2013
- Record last updated
- May 10, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170913002979); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 288 in Hawaii → Look up another NPI →
Also registered at 98-1005 Moanalua RD Spc 3010
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kaitlynn Ebisutani, MDObstetrics & Gynecology Physician1356965347
Verify Kasey Rei Kajiwara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD19152Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
94 Medicare Part D claims for 45 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Prolia23 claims
- Alendronate Sodium19 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Kapiolani Medical SpecialistsHonolulu, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kasey Rei Kajiwara among 288 obstetrics & gynecology physician records in Hawaii
Kasey Rei Kajiwara, 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
- Graduated2013 · median 2006 among the 158 with a school on file
- Record last updated2018 · 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).
Obstetrics & Gynecology Physician providers in Hawaii
There are 288 obstetrics & gynecology physician records in Hawaii.
All 288 in Hawaii → Every provider in Aiea → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Ronald Ayabe, MDAiea, HI 967011376507624
- Mikiko Bunn, M.D.Aiea, HI 967011952495319
- Kaitlynn Ebisutani, MDAiea, HI 967011356965347
- Jan Fujita, M.D.Aiea, HI 967011316055726
- Gregg Shimomura, MDAiea, HI 967011538280367
- Stephen Sung, M.D.Aiea, HI 967011932494812
- Leticia Diniega, MDEwa Beach, HI 967061356412944
- Richard Oh, M.D.Ewa Beach, HI 967061487704516
Common questions
What is Kasey Rei Kajiwara, M.D.'s NPI number?
Kasey Rei Kajiwara, M.D.'s National Provider Identifier (NPI) is 1689019895, issued on May 1, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Kasey Rei Kajiwara, M.D. located?
The NPPES record lists a practice address at 98-1005 Moanalua RD Spc 3010, Aiea, HI, 96701. Phone: (808) 671-0090. Providers update this record themselves, so call before visiting.
How can I verify Kasey Rei Kajiwara, M.D.'s license?
NPPES lists Hawaii license number MD19152, 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 Kasey Rei Kajiwara, M.D. prescribe under Medicare Part D?
In 2024, Kasey Rei Kajiwara, M.D. had 94 Medicare Part D claims for 45 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Kasey Rei Kajiwara, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.