Donald Grey, PHYSICIAN ASSISTANT
Emergency Medicine Physician · Waianae, HI
Donald Grey, PHYSICIAN ASSISTANT is an emergency medicine physician with a practice address in Waianae, Hawaii, and NPI 1386363257, issued on Aug 24, 2022. Check the license (Hawaii AMD-1166-0, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Donald Grey
- Credential
- PHYSICIAN ASSISTANT
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- AMD-1166-0 HI
Self-reported in NPPES; status is on the state search - Practice location
- 86-260 Farrington Hwy, Waianae, HI 96792
- Phone
- (808) 697-3300
- Enumerated
- Aug 24, 2022
- Record last updated
- Feb 14, 2023
- Fax
- (808) 697-3155
- Medicare enrollment
- Enrolled (PECOS I20230804002062); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 370 in Hawaii → Look up another NPI →
Also registered at 86-260 Farrington Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christina Adams, M.D.Family Medicine Physician1215132915
- Tiana Rose Ahue, PA-CPhysician Assistant1740731546
- Ku'Upua Akana, PHARM.DPharmacist1851679377
- Cynthia Akasaki, R.D.Registered Dietitian1346434321
- Kevin Akiyama, PSY.DClinical Psychologist1487974838
- Razel Alibin, FNPFamily Nurse Practitioner1043000805
Verify Donald Grey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license AMD-1166-0Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average emergency medicine physician in 2024
139 Medicare Part D claims for 73 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone21 claims
- Amoxicillin-Clavulanate Potass17 claims
- Cephalexin13 claims
- Doxycycline Hyclate13 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
- Waianae District Comprehensive Health And Hospital Board IncWaianae, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald Grey among 370 emergency medicine physician records in Hawaii
Donald Grey, PHYSICIAN ASSISTANT 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 2022, is newer than 96% of them.
- NPI issued2022 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2022 · median 2012 among the 202 with a school on file
- Record last updated2023 · 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).
8 emergency medicine physician records list a practice address in Waianae
They are 8 of the 440 NPPES records with a practice address in Waianae, and 370 emergency medicine physician records in Hawaii.
All 370 in Hawaii → Every provider in Waianae → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Allon Amitai, MDWaianae, HI 967921659325256
- Eric Nino, M.D.Waianae, HI 967921396781704
- Paul O'Hara, M.D.Waianae, HI 967921851741821
- Scott Padavan, MDWaianae, HI 967921417046442
- Richard Price, MD, JDWaianae, HI 967921932243441
- Karen Stanlaw, M.D.Waianae, HI 967921326074360
- Eduardo Tan, M.D.Waianae, HI 967921033175930
- Jon Jancaterino, MDWailuku, HI 967931063402469
Common questions
What is Donald Grey, PHYSICIAN ASSISTANT's NPI number?
Donald Grey, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1386363257, issued on Aug 24, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Donald Grey, PHYSICIAN ASSISTANT located?
The NPPES record lists a practice address at 86-260 Farrington Hwy, Waianae, HI, 96792. Phone: (808) 697-3300. Providers update this record themselves, so call before visiting.
How can I verify Donald Grey, PHYSICIAN ASSISTANT's license?
NPPES lists Hawaii license number AMD-1166-0, 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 Donald Grey, PHYSICIAN ASSISTANT prescribe under Medicare Part D?
In 2024, Donald Grey, PHYSICIAN ASSISTANT had 139 Medicare Part D claims for 73 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.