Donald L. Geil, D.O
Psychiatry Physician · Honolulu, HI
Donald L. Geil, D.O is a psychiatry physician with a practice address in Honolulu, Hawaii, and NPI 1568500213, issued on Feb 2, 2007. Check the license (Hawaii DOS-798, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Donald L. Geil
- Credential
- D.O
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- DOS-798 HI
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Ward Ave, Honolulu, HI 96814
- Phone
- (808) 522-4521
- Enumerated
- Feb 2, 2007
- Record last updated
- Apr 21, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (808) 522-3526
- Medicare enrollment
- Enrolled (PECOS I20150605002986); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 331 in Hawaii → Look up another NPI →
Also registered at 1100 Ward Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cheryl Andaya Yasso, PSY.D.Clinical Psychologist1376670406
- Alan Buffenstein, M.DPsychiatry Physician1639278104
- Simon Chang, M.D.Obstetrics & Gynecology Physician1285635458
- Alan Faulkner, M.D.Ophthalmology Physician1043312887
- John Guo, M.D.Psychiatry Physician1114016623
- Elizabeth-Rose Hanohano-Hong, O.D.Optometrist1083097547
Verify Donald L. Geil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license DOS-798Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average psychiatry physician in 2024
1,062 Medicare Part D claims for 127 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Sertraline Hcl63 claims
- Bupropion Xl57 claims
- Quetiapine Fumarate57 claims
- Trazodone Hcl52 claims
- Aripiprazole50 claims
- Fluoxetine Hcl49 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): 86.2 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).
One hospital affiliation
- Straub Clinic And HospitalHonolulu, HI · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Donald L. Geil among 331 psychiatry physician records in Hawaii
Donald L. Geil, D.O is one of 331 psychiatry physician records with a practice address in Hawaii. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 38% of them.
- NPI issued2007 · 38% of these records are older, 43% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 33% of these records are
- Graduated1995 · median 2003 among the 110 with a school on file
- Record last updated2015 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
175 psychiatry physician records list a practice address in Honolulu
They are 175 of the 12,408 NPPES records with a practice address in Honolulu, and 331 psychiatry physician records in Hawaii.
All 331 in Hawaii → Every provider in Honolulu → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Alan Buffenstein, M.DHonolulu, HI 968141639278104
- Jason Glipa, M.D.Honolulu, HI 968141265462220
- John Guo, M.D.Honolulu, HI 968141114016623
- Esther Kawano, MDHonolulu, HI 968141730122995
- Rudolf Kuszmider, M.D.Honolulu, HI 968141689750978
- Dennis Lind, M.D.Honolulu, HI 968141750384293
- Michael Mahelsky, M.D.Honolulu, HI 968141841204914
- Michael McCanless, MDHonolulu, HI 968141043310162
Common questions
What is Donald L. Geil, D.O's NPI number?
Donald L. Geil, D.O's National Provider Identifier (NPI) is 1568500213, issued on Feb 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Donald L. Geil, D.O located?
The NPPES record lists a practice address at 1100 Ward Ave, Honolulu, HI, 96814. Phone: (808) 522-4521. Providers update this record themselves, so call before visiting.
How can I verify Donald L. Geil, D.O's license?
NPPES lists Hawaii license number DOS-798, 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 L. Geil, D.O prescribe under Medicare Part D?
In 2024, Donald L. Geil, D.O had 1,062 Medicare Part D claims for 127 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Donald L. Geil, D.O's MIPS final score?
The 2023 MIPS final score is 86.2 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.