Ian Liao, MD
Internal Medicine Physician · Portland, OR
Ian Liao, MD is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1154586105, issued on Jul 18, 2008. Check the license (Oregon MD168027, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ian Liao
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD168027 OR
50469 CO
003458 GA
Self-reported in NPPES; status is on the state search - Practice location
- 9205 SW Barnes RD, Portland, OR 97225
- Phone
- (503) 216-2906
- Enumerated
- Jul 18, 2008
- Entity
- Type 1 · individual
Also registered at 9205 SW Barnes RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Darshan Acharya, M.D.Diagnostic Radiology Physician1033173638
- Daniel Addy, C.R.N.A.Certified Registered Nurse Anesthetist1003929795
- Alexis Amatisto, DOInternal Medicine Physician1386263580
- Maria Ampomah, M.S. CCC-SLPSpeech-Language Pathologist1871049940
- Christopher Andersen, RNRegistered Nurse1164343323
- Christopher Andrews, M.D.Emergency Medicine Physician1124113808
Verify Ian Liao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD168027Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
84% fewer Medicare Part D claims than the average internal medicine physician in 2024
450 Medicare Part D claims for 167 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 24 claims were for opioids.
Most prescribed
- Cefuroxime32 claims
- Metoprolol Tartrate29 claims
- Torsemide24 claims
- Clopidogrel19 claims
- Oxycodone Hcl19 claims
- Farxiga18 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 practice group's Medicare quality score for 2023: 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
2 hospital and facility affiliations
- Providence Health And Services - OregonPortland, OR
- Providence Health And Services OregonPortland, OR
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
1,125 internal medicine physician records list a Portland practice address
They are 1,125 of the 42,088 NPPES records with a Portland practice address, and 2,511 internal medicine physician records in Oregon.
All 1,125 in Portland → All 2,511 in Oregon → Every provider in Portland →
Other internal medicine physician records in Oregon
- Charmaine Clarisse Abalos, M.D.Medford, OR1700376050
- Soraya Abbassian, M.D.Portland, OR1225029184
- Nicholas Abbott, M.D.Tualatin, OR1124319330
- Mohamed Abdel Khalek, M.DRoseburg, OR1972687390
- Rand AbedalweliPortland, OR1265019996
- Robert Abernathy, M.D.Bend, OR1063433449
- Hazel Jane Abool, M.D.Springfield, OR1346538360
- Mohamed Aboukhashan, MDMedford, OR1932350782
- Allison Abraham, D.O.Portland, OR1831488444
- Mary Abraham, MDCorvallis, OR1073876199
Common questions
What is Ian Liao, MD's NPI number?
Ian Liao, MD's National Provider Identifier (NPI) is 1154586105, issued on Jul 18, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ian Liao, MD located?
The NPPES record lists a practice address at 9205 SW Barnes RD, Portland, OR, 97225. Phone: (503) 216-2906. Providers update this record themselves, so call before visiting.
How can I verify Ian Liao, MD's license?
NPPES lists Oregon license number MD168027, 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 Ian Liao, MD prescribe under Medicare Part D?
In 2024, Ian Liao, MD had 450 Medicare Part D claims for 167 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Ian Liao, MD's Medicare quality score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.