Doctor profile · Federal record

Dr. Ian Liao, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Portland, OR

  • NPI 1154586105
  • Accepts Medicare
  • MIPS 98.9 / 100 · 2023
  • 19 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
9205 Sw Barnes RD
Portland, OR 972256603
(503) 216-2906
Additional location
1700 E 19Th St
The Dalles, OR 970583317
(541) 296-7285
fax (541) 296-7420
Mailing address
Po Box 3158
Portland, OR 972083158

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
April 24, 2023
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (3)
Oregon #MD168027 · Colorado #50469 · Georgia #003458
Medicaid (2)
CO #78703271 · OR #500676493

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154586105. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
630
Distinct HCPCS
6
Medicare allowed
$54,370
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 358 142 $76
99239 Hospital discharge day management, more than 30 minutes 114 110 $110
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 64 36 $114
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 46 26 $47
99497 Advance care planning, first 30 minutes 30 30 $73
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 18 18 $169

In context: peer comparison

Among 209 peers in Portland Internal Medicine Physician, average services per provider: 60. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
216
Patients
153
Total drug cost
$10,162
Drug Type Claims Patients Total cost
Cefuroxime (Cefuroxime Axetil) Brand 40 40 $627
Torsemide Generic 21 16 $188
Atorvastatin Calcium Generic 19 13 $100
Potassium Chloride Generic 18 18 $93
Azithromycin Generic 15 14 $50
Clopidogrel (Clopidogrel Bisulfate) Brand 15 0 $142
Eliquis (Apixaban) Brand 15 0 $8,410
Metoprolol Succinate Generic 15 0 $184
Oxycodone Hcl Generic 15 15 $74
Prednisone Generic 15 15 $56

Frequently asked questions

Auto-generated from federal data
What is Dr. Ian Liao's medical specialty?
Dr. Ian Liao practices Internal Medicine Physician in Portland, OR.
Where does Dr. Ian Liao practice?
Dr. Ian Liao practices at 9205 Sw Barnes RD, Portland, OR 972256603. Office phone: 5032162906.
What is Dr. Ian Liao's NPI?
Dr. Ian Liao's National Provider Identifier (NPI) is 1154586105, issued by NPPES.
Does Dr. Ian Liao accept Medicare assignment?
Yes. Dr. Ian Liao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ian Liao commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.