Dr. Stefan E. Karas, MD
- Medicare services, 2023
- 63
- Part D claims, 2026
- 173
- Hospital affiliations
- 1
- Industry payments
- $137
- Medical group
- 1
- Practice address
- 888 S King Street, Honolulu, HI 96813
- Practice phone
- Call (808) 522-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Karas' professional email, personal email and mobile number
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Dr. Stefan E. Karas is an ophthalmologist in Honolulu, Hawaii
Dr. Karas practices at Straub Benioff Medical Center in Honolulu, Hawaii, part of Hawaiʻi Pacific Health.
Dr. Karas' NPI, 1396855482, was assigned on August 30, 2006. Dr. Karas graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1982. Dr. Karas holds Hawaii license MD-5844.
- NPI
- 1396855482NPI Registry (opens in a new tab)
- NPI enumeration date
- August 30, 2006
- NPI status
- Active
- Practice phone
- (808) 522-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stefan E. Karas practices at Straub Benioff Medical Center in Honolulu, Hawaii
Dr. Karas' primary practice is Straub Benioff Medical Center, at 888 S King Street, Honolulu, HI 96813 in Honolulu County. The practice phone is (808) 522-4000.
- Straub Benioff Medical Center888 S King Street, Honolulu, HI 96813 · Honolulu CountyPhone(808) 522-4000
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stefan E. Karas is affiliated with 1 site of care and 1 medical group
Dr. Karas' primary practice is Straub Benioff Medical Center in Honolulu, Hawaii, part of Hawaiʻi Pacific Health. The medical group on file is Straub Benioff Medical Center.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stefan E. Karas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Karas practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Straub Benioff Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Hawaiʻi Pacific Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Stefan E. Karas is one of 123 ophthalmologists in Hawaii
Ophthalmology is Dr. Karas' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Karas is licensed in Hawaii.
Specialties and state licenses
- Ophthalmology, HawaiiPrimary
Ophthalmologists near Dr. Karas
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Stefan E. Karas billed Medicare for 63 services in 2023
CMS data shows 63 Medicare services from Dr. Karas across 4 procedure codes in 2023. Medicare paid $736 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Karas' Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 6102023: 3494%
- Tests and treatments
- 2022: 8542023: 2997%
- Imaging
- 2022: 322023: 0100%
- Surgery
- 2022: 442023: 0100%
Dr. Karas compared with the Hawaii median for ophthalmologists, 2023
- Dr. Karas
- Hawaii median
- Medicare services
- 63vs 1,08394% below
- Part D claims
- 77vs 49084% below
Medians across 125 ophthalmologists in Hawaii with Dmand AI profiles that report each measure.
Dr. Karas' most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Karas and other ophthalmologists in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stefan E. Karas' patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Karas' median patient age at 72, with 48% women.
Dr. Karas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Stefan E. Karas wrote 173 Medicare Part D claims in 2026
In 2026, Dr. Karas wrote 173 Medicare Part D claims for 37 patients. 83% of them were for generic drugs. CMS names the drug for 77 of them, across 5 drugs with 11 or more claims each, at $2,541 in total drug cost. In 2023, CMS named 941 claims across 16 drugs.
Dr. Karas' Part D claims by kind of drug, 2026
- Generic144 claims83%
- Brand-name29 claims17%
Dr. Karas' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9412024: 7792%
Drugs named by CMS: 5 in 2024, 16 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2026 data
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Dr. Stefan E. Karas received $137 in industry payments from 2017 to 2020
CMS Open Payments shows 2 general payments to Dr. Karas from 2 drug and device companies from 2017 to 2020. Entertainment make up the largest share, 86% of the total. Optos, Inc. paid the most, $118.
General payments to Dr. Karas by program year, 2017 to 2020
General payments to Dr. Karas by kind, 2017 to 2020
- Entertainment$11886%
- Gifts$1914%
Companies that paid Dr. Karas the most, 2017 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stefan E. Karas graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Dr. Karas graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stefan E. Karas's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Stefan E. Karas
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Stefan E. Karas' NPI number?
Dr. Stefan E. Karas' NPI number is 1396855482. It was assigned on August 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stefan E. Karas?
Dr. Stefan E. Karas is an ophthalmologist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Stefan E. Karas practice?
Dr. Karas practices at 888 S King Street, Honolulu, HI 96813. Dr. Karas' primary practice is Straub Benioff Medical Center in Honolulu, Hawaii, part of Hawaiʻi Pacific Health.
What is Dr. Stefan E. Karas' office phone number?
The practice phone on file for Dr. Karas is (808) 522-4000. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Stefan E. Karas' email address?
Dmand AI checks professional and personal email addresses for Dr. Karas through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Stefan E. Karas' medical license number?
Dr. Karas holds Hawaii license MD-5844.
Which hospitals is Dr. Stefan E. Karas affiliated with?
Dr. Karas practices at Straub Benioff Medical Center in Honolulu, Hawaii.
What medical group is Dr. Stefan E. Karas part of?
Dr. Karas is linked to Straub Benioff Medical Center.
Who does Dr. Stefan E. Karas practice with?
Dmand AI links 526 HCPs to Dr. Karas' primary medical group, 7 of them ophthalmologists. A free account lists them, with verified contacts.
Does Dr. Stefan E. Karas accept Medicare?
Yes. CMS data shows Dr. Karas billed Medicare for 63 services in 2023.
Show 6 more questionsShow fewer questions
What services does Dr. Stefan E. Karas bill to Medicare?
In 2023, Dr. Karas' most billed Medicare services were office visit, established patient (99214), eye exam or test (92014) and eye exam or test (92083).
Where did Dr. Stefan E. Karas go to medical school?
Dr. Karas graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 1982.
What drugs does Dr. Stefan E. Karas prescribe most?
In 2024 Medicare Part D data, Dr. Karas' most prescribed drugs by claims were Latanoprost, Atorvastatin Calcium and Timolol Maleate.
Has Dr. Stefan E. Karas received payments from drug or device companies?
CMS Open Payments shows $137 in general payments to Dr. Karas from 2 companies from 2017 to 2020. The largest total came from Optos, Inc.
How long has Dr. Stefan E. Karas been practicing?
Dr. Karas graduated from medical school in 1982, 44 years ago.
What EHR does Dr. Stefan E. Karas' practice use?
Dmand AI tracks the EHR system at Straub Benioff Medical Center. The vendor and product are available with a free Dmand AI account.
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