Doctor profile · Federal record

Dr. Thomas Hwang, MD

Retina Specialist (Ophthalmology) Physician (CMS: Ophthalmology) · Ophthalmology Physician · Ophthalmology Physician · Retina Specialist (Ophthalmology) Physician · Portland, OR

  • NPI 1508819947
  • Accepts Medicare
  • MIPS 90.5 / 100 · 2023
  • 27 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3375 Sw Terwilliger Blvd
Portland, OR 97239
(503) 494-8311
fax (503) 494-7233
Mailing address
Po Box 4183
Portland, OR 972084183

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
November 1, 2017
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207WX0107X — NUCC code
State licenses (2)
Oregon #MD24356 · Washington #MD00046261

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508819947. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,542
Distinct HCPCS
10
Medicare allowed
$399,023
HCPCS Description Services Patients Avg allowed
92134 Imaging of retina 727 269 $26
99214 Established patient office or other outpatient visit, 30-39 minutes 587 255 $99
67028 Injection of drug into eye 440 110 $105
J0178 Injection, aflibercept, 1 mg 266 38 $862
92134 Imaging of retina 203 95 $41
67028 Injection of drug into eye 145 61 $137
99214 Established patient office or other outpatient visit, 30-39 minutes 102 69 $124
J7999 Compounded drug, not otherwise classified 28 14 $92
99213 Established patient office or other outpatient visit, 20-29 minutes 24 17 $67
99213 Established patient office or other outpatient visit, 20-29 minutes 20 14 $89

In context: peer comparison

Among 7 peers in Portland Retina Specialist (Ophthalmology) Physician, average services per provider: 495. This provider delivers 5.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
85
Patients
47
Total drug cost
$5,313
Drug Type Claims Patients Total cost
Prednisolone Acetate Generic 32 21 $1,745
Difluprednate Generic 21 13 $2,971
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 19 0 $370
Ofloxacin Generic 13 13 $228

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Hwang's medical specialty?
Dr. Thomas Hwang practices Retina Specialist (Ophthalmology) Physician in Portland, OR.
Where does Dr. Thomas Hwang practice?
Dr. Thomas Hwang practices at 3375 Sw Terwilliger Blvd, Portland, OR 97239. Office phone: 5034948311.
What is Dr. Thomas Hwang's NPI?
Dr. Thomas Hwang's National Provider Identifier (NPI) is 1508819947, issued by NPPES.
Does Dr. Thomas Hwang accept Medicare assignment?
Yes. Dr. Thomas Hwang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Hwang commonly perform?
Top Medicare-reported procedures in 2023: Imaging of retina (HCPCS 92134); Established patient office or other outpatient visit (HCPCS 99214); Injection of drug into eye (HCPCS 67028). Source: CMS Medicare Physician & Other Practitioners file.