Mercedes Choi
Physician Assistant · Portland, OR
Mercedes Choi is a physician assistant with a practice address in Portland, Oregon, and NPI 1912565888, issued on Jun 5, 2019. Check the license with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mercedes Choi
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 8122 SE Tibbetts St, Portland, OR 97206
- Phone
- (503) 255-1111
- Enumerated
- Jun 5, 2019
- Record last updated
- Oct 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,094 in Oregon → Look up another NPI →
Also registered at 8122 SE Tibbetts St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Helen Doan, PHARM,D.Pharmacist1548664816
- Edgar GutierrezFamily Nurse Practitioner1093053449
- Drew Haven, LMTMassage Therapist1083103097
- Thach HoangStudent in an Organized Health Care Education/Training Program1235884826
- Winona-Rebekah Maratita-LizamaPharmacist1891319323
- Triet Nguyen, DOFamily Medicine Physician1518587575
Verify Mercedes Choi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average physician assistant in 2024
26 Medicare Part D claims for 21 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
Mercedes Choi among 2,094 physician assistant records in Oregon
Mercedes Choi is one of 2,094 physician assistant records with a practice address in Oregon. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 62% of them.
- NPI issued2019 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2021 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physician Assistant providers in Oregon
There are 2,094 physician assistant records in Oregon.
All 2,094 in Oregon → Every provider in Portland → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Julianne Brower, PA-CPortland, OR 972061891230959
- Jon Davis, PA-CPortland, OR 972061184793903
- Kristin Simpson, PA-CPortland, OR 972061053905257
- Jason Taylor, PA-CPortland, OR 972061831408053
- James Warner, PAPortland, OR 972061992806145
- Frederick Bolzendahl, PA-CPortland, OR 972071992801252
- Annie Legard, PA-CPortland, OR 972051275711830
- Kimia Newell, PACPortland, OR 972051942841176
Common questions
What is Mercedes Choi's NPI number?
Mercedes Choi's National Provider Identifier (NPI) is 1912565888, issued on Jun 5, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Mercedes Choi located?
The NPPES record lists a practice address at 8122 SE Tibbetts St, Portland, OR, 97206. Phone: (503) 255-1111. Providers update this record themselves, so call before visiting.
How can I verify Mercedes Choi's license?
Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Mercedes Choi prescribe under Medicare Part D?
In 2024, Mercedes Choi had 26 Medicare Part D claims for 21 beneficiaries; the average among physician assistant prescribers was 830. 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.