NPPES file of Aug 9, 2026

Thomas Sangchul Hwang, MD

Retina Specialist (Ophthalmology) Physician · Portland, OR

Thomas Sangchul Hwang, MD is a retina specialist (ophthalmology) physician with a practice address in Portland, Oregon, and NPI 1508819947, issued on May 18, 2006. Check the license (Oregon MD24356, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508819947
Name
Thomas Sangchul Hwang
Credential
MD
Primary taxonomy
Retina Specialist (Ophthalmology) Physician 207WX0107X
License numbers
MD24356 OR
MD00046261 WA
Self-reported in NPPES; status is on the state search
Practice location
3375 SW Terwilliger Blvd, Portland, OR 97239
Phone
(503) 494-8311
Enumerated
May 18, 2006
Record last updated
Nov 1, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(503) 494-7233
Medicare enrollment
Enrolled (PECOS I20050322000768); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 1999
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3375 SW Terwilliger Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Talal Alabduljalil, MDOphthalmology Physician1689044273
  2. Daniel Albert, MDOphthalmology Physician1801862388
  3. Kavita Bhavsar, MDRetina Specialist (Ophthalmology) Physician1720216765
  4. Kristin Biggee, M.D.Ophthalmology Physician1376719591
  5. Amanda Burr, MS, CGCGenetic Counselor (M.S.)1770013252
  6. Mauricio Cabezas, M.D.Ophthalmology Physician1295970424

Verify Thomas Sangchul Hwang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD24356
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

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80% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024

127 Medicare Part D claims for 47 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.

  1. Thomas Hwang127
  2. Specialty average620

Most prescribed

  1. Difluprednate30 claims
  2. Prednisolone Acetate21 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 MIPS final score for 2023 (Medicare payment program): 97.8 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score81.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Hillsboro Eye Clinic PCHillsboro, OR
  2. University Professional ServicesAstoria, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Thomas Sangchul Hwang among 36 retina specialist (ophthalmology) physician records in Oregon

Thomas Sangchul Hwang, MD is one of 36 retina specialist (ophthalmology) physician records with a practice address in Oregon. 100% 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 17% of them.

  • NPI issued2006 · 17% of these records are older, 61% newer
  • In a Medicare fileYes · 100% of these records are
  • In the CMS Doctors and Clinicians fileYes · 97% of these records are
  • Graduated1999 · median 2006 among the 35 with a school on file
  • Record last updated2017 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Retina Specialist (Ophthalmology) Physician providers in Oregon

There are 36 retina specialist (ophthalmology) physician records in Oregon.

The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes

  1. Marcus AltmanPortland, OR 972391699265744
  2. Steven Bailey, MDPortland, OR 972391114032687
  3. Kavita Bhavsar, MDPortland, OR 972391720216765
  4. John Campbell, M.D., M.P.HPortland, OR 972391255598041
  5. Lesley Everett, M.D., PH.D.Portland, OR 972391528420841
  6. Christina Flaxel, MDPortland, OR 972391629029079
  7. Andreas Lauer, MDPortland, OR 972391265485890
  8. Brandon Lujan, MDPortland, OR 972391093722258

Common questions

What is Thomas Sangchul Hwang, MD's NPI number?

Thomas Sangchul Hwang, MD's National Provider Identifier (NPI) is 1508819947, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Sangchul Hwang, MD located?

The NPPES record lists a practice address at 3375 SW Terwilliger Blvd, Portland, OR, 97239. Phone: (503) 494-8311. Providers update this record themselves, so call before visiting.

How can I verify Thomas Sangchul Hwang, MD's license?

NPPES lists Oregon license number MD24356, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas Sangchul Hwang, MD prescribe under Medicare Part D?

In 2024, Thomas Sangchul Hwang, MD had 127 Medicare Part D claims for 47 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.

What is Thomas Sangchul Hwang, MD's MIPS final score?

The 2023 MIPS final score is 97.8 of 100. 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.