Annie Y. Liu, M.D.
Obstetrics & Gynecology Physician · Clackamas, OR
Annie Y. Liu, M.D. is an obstetrics & gynecology physician with a practice address in Clackamas, Oregon, and NPI 1154615300, issued on Jun 6, 2011. Check the license (Oregon MD188818, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Annie Y. Liu
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- MD188818 OR
MD60863060 WA
Self-reported in NPPES; status is on the state search - Practice location
- 10180 SE Sunnyside RD, Clackamas, OR 97015
- Phone
- (800) 813-2000
- Enumerated
- Jun 6, 2011
- Record last updated
- Jul 29, 2026
- Medicare enrollment
- Enrolled (PECOS I20181010000588); accepts Medicare assignment
- Medical or professional school
- Vanderbilt University School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 654 in Oregon → Look up another NPI →
Also registered at 10180 SE Sunnyside RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aaron Abajian, MDDiagnostic Radiology Physician1942732300
- Samer Abufadil, MDInternal Medicine Physician1750437653
- Jeremy Adler, M.D.Anatomic Pathology & Clinical Pathology Physician1548617483
- Alejandro Aguilar, PA-CPhysician Assistant1740940006
- Usman Ahmad, D.O.Internal Medicine Physician1326288697
- Hyun Jung AhnPhysical Therapist1245014703
Verify Annie Y. Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD188818Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
130 Medicare Part D claims for 73 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 48 claims were for opioids.
Most prescribed
- Oxycodone Hcl40 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.
Industry payments in 2024: $39.99
1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
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).
Annie Y. Liu among 654 obstetrics & gynecology physician records in Oregon
Annie Y. Liu, M.D. is one of 654 obstetrics & gynecology physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 72% of them.
- NPI issued2011 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2011 · median 2007 among the 413 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 207V00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 obstetrics & gynecology physician records list a practice address in Clackamas
They are 25 of the 2,098 NPPES records with a practice address in Clackamas, and 654 obstetrics & gynecology physician records in Oregon.
All 654 in Oregon → Every provider in Clackamas → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Rachel Algenio, MDClackamas, OR 970151083720395
- Paula Blacketor, M.D.Clackamas, OR 970151184718611
- Stephanie Coronado, MDClackamas, OR 970151942213491
- Heather Crummett, M.D.Clackamas, OR 970151033291505
- Renee Goodreau, M.D.Clackamas, OR 970151770787681
- Robert House, M.D.Clackamas, OR 970151063515096
- Sarah Lambert, M.D.Clackamas, OR 970151821177338
- Elizabeth Melendez, MDClackamas, OR 970151679596118
Common questions
What is Annie Y. Liu, M.D.'s NPI number?
Annie Y. Liu, M.D.'s National Provider Identifier (NPI) is 1154615300, issued on Jun 6, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Annie Y. Liu, M.D. located?
The NPPES record lists a practice address at 10180 SE Sunnyside RD, Clackamas, OR, 97015. Phone: (800) 813-2000. Providers update this record themselves, so call before visiting.
How can I verify Annie Y. Liu, M.D.'s license?
NPPES lists Oregon license number MD188818, 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 Annie Y. Liu, M.D. prescribe under Medicare Part D?
In 2024, Annie Y. Liu, M.D. had 130 Medicare Part D claims for 73 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.