Robyn A. Liu, MD
Family Medicine Physician · Portland, OR
Robyn A. Liu, MD is a family medicine physician with a practice address in Portland, Oregon, and NPI 1447387360, issued on Feb 27, 2007. Check the license (Oregon MD25405, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robyn A. Liu
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- MD25405 OR
MD60973402 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3550 N Interstate Ave, Portland, OR 97227
- Phone
- (800) 813-2000
- Enumerated
- Feb 27, 2007
- Record last updated
- Apr 28, 2026
- Medicare enrollment
- Enrolled (PECOS I20110928000580); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 2003
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 3550 N Interstate Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robyn A. Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD25405Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average family medicine physician in 2024
2,826 Medicare Part D claims for 356 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 283 claims were for opioids.
Most prescribed
- Atorvastatin Calcium190 claims
- Oxycodone Hcl113 claims
- Hydrocodone-Acetaminophen85 claims
- Levothyroxine Sodium79 claims
- Lisinopril79 claims
- Losartan Potassium64 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.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The NorthwestClackamas, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robyn A. Liu among 2,847 family medicine physician records in Oregon
Robyn A. Liu, MD is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2003 · median 2009 among the 1,671 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
561 family medicine physician records list a practice address in Portland
They are 561 of the 42,088 NPPES records with a practice address in Portland, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Portland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kyle Besaw, MDPortland, OR 972271407344872
- Timothy Elzinga, MDPortland, OR 972271841497211
- Nilana Gunasekaran, M.D.Portland, OR 972271942393673
- Sara Holthuis, M.D.Portland, OR 972271912312034
- Mia Hosaka, D.O.Portland, OR 972271649596552
- Leila Keltner, MDPortland, OR 972271316061609
- Mustafa Mahmood, M.D.Portland, OR 972271083076731
- Matthew Reid, M.D.Portland, OR 972271861461782
Common questions
What is Robyn A. Liu, MD's NPI number?
Robyn A. Liu, MD's National Provider Identifier (NPI) is 1447387360, issued on Feb 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robyn A. Liu, MD located?
The NPPES record lists a practice address at 3550 N Interstate Ave, Portland, OR, 97227. Phone: (800) 813-2000. Providers update this record themselves, so call before visiting.
How can I verify Robyn A. Liu, MD's license?
NPPES lists Oregon license number MD25405, 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 Robyn A. Liu, MD prescribe under Medicare Part D?
In 2024, Robyn A. Liu, MD had 2,826 Medicare Part D claims for 356 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.