Stefan E. Karas, M.D.
Ophthalmology Physician · Honolulu, HI
Stefan E. Karas, M.D. is an ophthalmology physician with a practice address in Honolulu, Hawaii, and NPI 1396855482, issued on Aug 30, 2006. Check the license (Hawaii MD-5844, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stefan E. Karas
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD-5844 HI
Self-reported in NPPES; status is on the state search - Practice location
- 888 S King St, Honolulu, HI 96813
- Phone
- (808) 522-4000
- Enumerated
- Aug 30, 2006
- Record last updated
- Mar 16, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (808) 522-4431
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 128 in Hawaii → Look up another NPI →
Also registered at 888 S King St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stefan E. Karas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-5844Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average ophthalmology physician in 2024
173 Medicare Part D claims for 37 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Latanoprost20 claims
- Atorvastatin Calcium17 claims
- Timolol Maleate15 claims
- Lovastatin14 claims
- Triamterene-Hydrochlorothiazid11 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).
Stefan E. Karas among 128 ophthalmology physician records in Hawaii
Stefan E. Karas, M.D. is one of 128 ophthalmology physician records with a practice address in Hawaii. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 34% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2012 · 85% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Hawaii
There are 128 ophthalmology physician records in Hawaii.
All 128 in Hawaii → Every provider in Honolulu → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Neal Atebara, MD, FACSHonolulu, HI 968131093828840
- Susie Chang, M.D.Honolulu, HI 968131952385106
- Te Chen, M.D.Honolulu, HI 968131083633945
- Ming Chen, MDHonolulu, HI 968131376621318
- John Douglas, M.D.Honolulu, HI 968131730268772
- John Drouilhet, M.D., F.A.C.S.Honolulu, HI 968131528066487
- John Kortvelesy, M.D.Honolulu, HI 968131710082813
- Timothy McDevitt, M.D.Honolulu, HI 968131144209958
Common questions
What is Stefan E. Karas, M.D.'s NPI number?
Stefan E. Karas, M.D.'s National Provider Identifier (NPI) is 1396855482, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stefan E. Karas, M.D. located?
The NPPES record lists a practice address at 888 S King St, Honolulu, HI, 96813. Phone: (808) 522-4000. Providers update this record themselves, so call before visiting.
How can I verify Stefan E. Karas, M.D.'s license?
NPPES lists Hawaii license number MD-5844, 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 Stefan E. Karas, M.D. prescribe under Medicare Part D?
In 2024, Stefan E. Karas, M.D. had 173 Medicare Part D claims for 37 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Stefan E. Karas, M.D.'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.