Doctor profile · Federal record

Dr. Regina Won, M.D.

Infectious Disease Physician (CMS: Infectious Disease) · Internal Medicine Physician · Infectious Disease Physician · Gresham, OR

  • NPI 1619173085
  • Accepts Medicare
  • MIPS 87.1 / 100 · 2023
  • 19 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
24800 Se Stark St Fl 3, Legacy Medicine Inpatient Service
Gresham, OR 97030
(503) 674-1122

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
May 15, 2018
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State licenses (2)
Oregon #MD161903 · Washington #MD60490733

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619173085. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
267
Distinct HCPCS
3
Medicare allowed
$26,086
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 157 75 $80
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 56 53 $132
99214 Established patient office or other outpatient visit, 30-39 minutes 54 30 $113

In context: peer comparison

Among 1 peers in this city , average services per provider: 89. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
223
Patients
0
Total drug cost
$214,738
Drug Type Claims Patients Total cost
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 45 0 $175,074
Ceftriaxone (Ceftriaxone Sodium) Brand 38 0 $2,184
Cephalexin Generic 36 0 $1,168
Amoxicillin Generic 29 0 $407
Cefazolin Sodium Generic 25 0 $765
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 16 0 $552
Daptomycin Generic 12 0 $9,481
Fluconazole Generic 11 0 $786
Tivicay (Dolutegravir Sodium) Brand 11 0 $24,320

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Regina Won's medical specialty?
Dr. Regina Won practices Infectious Disease Physician in Gresham, OR.
Where does Dr. Regina Won practice?
Dr. Regina Won practices at 24800 Se Stark St Fl 3, Gresham, OR 97030. Office phone: 5036741122.
What is Dr. Regina Won's NPI?
Dr. Regina Won's National Provider Identifier (NPI) is 1619173085, issued by NPPES.
Does Dr. Regina Won accept Medicare assignment?
Yes. Dr. Regina Won accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Regina Won commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.