Dr. Thomas Sangchul Hwang, MD
- Medicare services, 2024
- 14,587
- Medicare patients, 2024
- 527
- Part D claims, 2024
- 127
- MIPS score, 2024
- 99
- Hospital affiliations
- 1
- Practice address
- 3181 SW Sam Jackson Park Road, Portland, OR 97239
- Practice phone
- Call (503) 494-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hwang's professional email, personal email and mobile number
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Dr. Thomas Sangchul Hwang is a retina specialist (ophthalmology) physician in Portland, Oregon
Dr. Hwang practices at OHSU Hospital in Portland, Oregon, part of State of Oregon.
Dr. Hwang's NPI, 1508819947, was assigned on May 18, 2006. Dr. Hwang graduated from University of California, San Diego School of Medicine in 1999. Dr. Hwang holds Oregon license MD24356.
- NPI
- 1508819947NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294781381
- NPI enumeration date
- May 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 494-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Sangchul Hwang practices at OHSU Hospital in Portland, Oregon
Dr. Hwang's primary practice is OHSU Hospital, at 3181 SW Sam Jackson Park Road, Portland, OR 97239 in Multnomah County. The practice phone is (503) 494-9000.
- OHSU Hospital3181 SW Sam Jackson Park Road, Portland, OR 97239 · Multnomah CountyPhone(503) 494-9000
Source: Dmand AI Affiliation Data
Dr. Thomas Sangchul Hwang is affiliated with 4 sites of care and 2 medical groups
Dr. Hwang's primary practice is OHSU Hospital in Portland, Oregon, part of State of Oregon. The medical group on file is Oregon Health & Science University (OHSU). Dmand AI also links Dr. Hwang to 2 more group practices and clinics, 1 clinical lab and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas Sangchul Hwang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hwang practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OHSU Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas Sangchul Hwang is one of 33 retina specialist (ophthalmology) physicians in Oregon
Retina specialist is Dr. Hwang's primary specialty in the NPI Registry, under taxonomy code 207WX0107X. Dmand AI has Dr. Hwang's licenses on file in 2 states: Oregon and Washington.
Specialties and state licenses
- Retina specialist (ophthalmology), OregonPrimary
- Washington license
Retina specialist (ophthalmology) physicians near Dr. Hwang
Counts of retina specialist (ophthalmology) physicians 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. Thomas Sangchul Hwang billed Medicare for 14,587 services in 2024
CMS data shows 14,587 Medicare services from Dr. Hwang across 8 procedure codes in 2024, for 527 Medicare patients. Medicare paid $784,565 for them.
Dr. Hwang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 2942024: 11,3353755%
- Tests and treatments
- 2023: 9302024: 1,24234%
- Office and hospital visits
- 2023: 7332024: 94929%
- Surgery
- 2023: 5852024: 82140%
- Other services
- 2023: 02024: 240
Where Dr. Hwang's Medicare services took place, 2024
- In an office12,83988%
- In a facility1,74812%
Dr. Hwang compared with the Oregon median for retina specialist (ophthalmology) physicians, 2024
- Dr. Hwang
- Oregon median
- Medicare services
- 14,587vs 10,41040% above
- Medicare patients
- 527vs 46613% above
- Part D claims
- 51vs 23378% below
Medians across 34 retina specialist (ophthalmology) physicians in Oregon with Dmand AI profiles that report each measure.
Dr. Hwang's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Hwang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hwang and other retina specialist (ophthalmology) physicians in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Sangchul Hwang treated 527 Medicare patients in 2024, average age 78
CMS counts 527 Medicare patients who saw Dr. Hwang in 2024. The largest group is 75 to 84, with 190 patients. 74% of them have high blood pressure, and 66% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.60, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Hwang's median patient age at 75, with 55% women.
Dr. Hwang's Medicare patients by age, 2024
Dr. Hwang's Medicare patients by sex, 2024
- Women31059%
- Men21741%
Chronic conditions among Dr. Hwang's Medicare patients, 2024
- High blood pressure74%
- High cholesterol66%
- Arthritis37%
- Diabetes36%
- Chronic kidney disease28%
- Ischemic heart disease25%
- Heart failure22%
- Atrial fibrillation21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hwang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas Sangchul Hwang wrote 127 Medicare Part D claims in 2024
In 2024, Dr. Hwang wrote 127 Medicare Part D claims for 47 patients. 76% of them were for generic drugs. CMS names the drug for 51 of them, across 2 drugs with 11 or more claims each, at $4,586 in total drug cost. In 2023, CMS named 85 claims across 4 drugs.
Dr. Hwang's Part D claims by kind of drug, 2024
- Generic97 claims76%
- Brand-name30 claims24%
Dr. Hwang's 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: 852024: 5140%
Drugs named by CMS: 2 in 2024, 4 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), 2024 data
Dr. Thomas Sangchul Hwang scored 99 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Hwang for performance year 2024, reported through an alternative payment model (APM). Dr. Hwang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Hwang's MIPS scores, performance year 2024
- 99of 100Final score
- 84.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Thomas Sangchul Hwang received $18 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Hwang from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Mallinckrodt Hospital Products Inc. paid the most, $18.
Companies that paid Dr. Hwang the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas Sangchul Hwang graduated from University of California, San Diego School of Medicine
Dr. Hwang graduated from University of California, San Diego School of Medicine in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas Sangchul Hwang'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. Thomas Sangchul Hwang
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. Thomas Sangchul Hwang's NPI number?
Dr. Thomas Sangchul Hwang's NPI number is 1508819947. It was assigned on May 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Sangchul Hwang?
Dr. Thomas Sangchul Hwang is a retina specialist (ophthalmology) physician in Portland, Oregon. The primary specialty in the NPI Registry is Retina Specialist (Ophthalmology) Physician (taxonomy code 207WX0107X).
Where does Dr. Thomas Sangchul Hwang practice?
Dr. Hwang practices at 3181 SW Sam Jackson Park Road, Portland, OR 97239. Dr. Hwang's primary practice is OHSU Hospital in Portland, Oregon, part of State of Oregon. Dmand AI also links Dr. Hwang to 2 group practices and clinics, 1 clinical lab and 1 medical group.
What is Dr. Thomas Sangchul Hwang's office phone number?
The practice phone on file for Dr. Hwang is (503) 494-9000.
What is Dr. Thomas Sangchul Hwang's medical license number?
Dr. Hwang holds Oregon license MD24356, one of the licenses on file in 2 states.
Which states has Dr. Thomas Sangchul Hwang been licensed in?
Dmand AI has state licenses on file for Dr. Hwang in Oregon and Washington.
Which hospitals is Dr. Thomas Sangchul Hwang affiliated with?
Dr. Hwang practices at OHSU Hospital in Portland, Oregon.
What medical group is Dr. Thomas Sangchul Hwang part of?
Dr. Hwang is linked to Oregon Health & Science University (OHSU). Dmand AI links Dr. Hwang to 1 more medical group.
Does Dr. Thomas Sangchul Hwang accept Medicare?
Yes. CMS data shows Dr. Hwang billed Medicare for 14,587 services in 2024, and Dr. Hwang accepts Medicare assignment.
What is Dr. Thomas Sangchul Hwang's MIPS score?
Dr. Hwang's MIPS final score for performance year 2024 is 99 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Thomas Sangchul Hwang see?
CMS counts 527 Medicare patients who saw Dr. Hwang in 2024, with an average age of 78.
What services does Dr. Thomas Sangchul Hwang bill to Medicare?
In 2024, Dr. Hwang's most billed Medicare services were injected or infused drug (J2777), eye exam or test (92134) and office visit, established patient (99214).
Where did Dr. Thomas Sangchul Hwang go to medical school?
Dr. Hwang graduated from University of California, San Diego School of Medicine in 1999.
What drugs does Dr. Thomas Sangchul Hwang prescribe most?
In 2024 Medicare Part D data, Dr. Hwang's most prescribed drugs by claims were Difluprednate and Prednisolone Acetate.
Has Dr. Thomas Sangchul Hwang received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Dr. Hwang from 1 company from 2025 to 2025. The largest total came from Mallinckrodt Hospital Products Inc.
How long has Dr. Thomas Sangchul Hwang been practicing?
Dr. Hwang graduated from medical school in 1999, 27 years ago.
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