Alexa Ann Yager, D.O.
Emergency Medicine Physician · Wailuku, HI
Alexa Ann Yager, D.O. is an emergency medicine physician with a practice address in Wailuku, Hawaii, and NPI 1326438052, issued on Feb 3, 2015. Check the license (Hawaii DOS-2768, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Alexa Ann Yager
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- DOS-2768 HI
OS19314 FL
UO 4288 FL
60846428 WA
Self-reported in NPPES; status is on the state search - Practice location
- 221 Mahalani St, Wailuku, HI 96793
- Phone
- (808) 244-9056
- Enumerated
- Feb 3, 2015
- Record last updated
- Aug 19, 2025
- Fax
- (808) 242-2465
- Medicare enrollment
- Enrolled (PECOS I20180705001605); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 370 in Hawaii → Look up another NPI →
Also registered at 221 Mahalani St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bettina Ackermann, MDPediatrics Physician1205807625
- Naira ArellanoAcute Care Nurse Practitioner1831525898
- Danielle Aubert-Anderson, LMSWSocial Worker1508369422
- James Bendon, MDDiagnostic Radiology Physician1780725432
- Miriam BerchukAnesthesiology Physician1013573823
- Ariel Berrios, PA-CPhysician Assistant1669911640
Verify Alexa Ann Yager in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license DOS-2768Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% more Medicare Part D claims than the average emergency medicine physician in 2024
420 Medicare Part D claims for 241 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 57 claims were for opioids.
Most prescribed
- Oxycodone Hcl34 claims
- Prednisone31 claims
- Famotidine24 claims
- Azithromycin21 claims
- Cephalexin20 claims
- Ibuprofen20 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
- Western Washington Emergency Physicians PLLCTacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexa Ann Yager among 370 emergency medicine physician records in Hawaii
Alexa Ann Yager, D.O. is one of 370 emergency medicine physician records with a practice address in Hawaii. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 74% of them.
- NPI issued2015 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2014 · median 2012 among the 202 with a school on file
- Record last updated2025 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 emergency medicine physician records list a practice address in Wailuku
They are 19 of the 1,087 NPPES records with a practice address in Wailuku, and 370 emergency medicine physician records in Hawaii.
All 370 in Hawaii → Every provider in Wailuku → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Daniel Brandes, MDWailuku, HI 967931326075565
- William Eilert, MDWailuku, HI 967931003859653
- Marc Emde, MDWailuku, HI 967931609819010
- Mark Haddad, MDWailuku, HI 967931861435430
- Jon Jancaterino, MDWailuku, HI 967931063402469
- William Langston, MDWailuku, HI 967931013903640
- Jenwei Luu, MDWailuku, HI 967931891738464
- Benjamin Massenburg, MDWailuku, HI 967931841238532
Common questions
What is Alexa Ann Yager, D.O.'s NPI number?
Alexa Ann Yager, D.O.'s National Provider Identifier (NPI) is 1326438052, issued on Feb 3, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Alexa Ann Yager, D.O. located?
The NPPES record lists a practice address at 221 Mahalani St, Wailuku, HI, 96793. Phone: (808) 244-9056. Providers update this record themselves, so call before visiting.
How can I verify Alexa Ann Yager, D.O.'s license?
NPPES lists Hawaii license number DOS-2768, 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 Alexa Ann Yager, D.O. prescribe under Medicare Part D?
In 2024, Alexa Ann Yager, D.O. had 420 Medicare Part D claims for 241 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.