Stacy A. Yamasaki, MD
Diagnostic Radiology Physician · Portland, OR
Stacy A. Yamasaki, MD is a diagnostic radiology physician with a practice address in Portland, Oregon, and NPI 1821075565, issued on Dec 23, 2005. Check the license (Oregon MD15786, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stacy A. Yamasaki
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- MD15786 OR
Self-reported in NPPES; status is on the state search - Practice location
- 545 NE 47TH Ave, Portland, OR 97213
- Phone
- (503) 731-2990
- Enumerated
- Dec 23, 2005
- Record last updated
- Oct 15, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid IDs
- 288474 OR
8206039 WA - Medicare enrollment
- Enrolled (PECOS I20040423000393); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 522 in Oregon → Look up another NPI →
Also registered at 545 NE 47TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leigh Dolin, MDInternal Medicine Physician1801820048
- Brenda Faller, RPA/RA, RT(R)Radiology Practitioner Assistant1699942011
- Richard Gibson, MDFamily Medicine Physician1508804477
- Larry Guerin, M.D.Dermatology Physician1316961287
- Ronald Kizziar, MDDiagnostic Radiology Physician1316924046
- Richard Koesel, MDDiagnostic Radiology Physician1275572133
Verify Stacy A. Yamasaki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD15786Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 91.6 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).
Industry payments in 2024: $147.62
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 8,048 providers of this specialty with any payment received $2,488.38 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
- Radiology Specialists OF The Northwest PCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stacy A. Yamasaki among 522 diagnostic radiology physician records in Oregon
Stacy A. Yamasaki, MD is one of 522 diagnostic radiology physician records with a practice address in Oregon. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1987 · median 2005 among the 334 with a school on file
- Record last updated2007 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Oregon
There are 522 diagnostic radiology physician records in Oregon.
All 522 in Oregon → Every provider in Portland → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Deborah Arnold, MDPortland, OR 972131063429991
- Charles Croteau, D.O.Portland, OR 972131518183284
- James Hasenauer, M.D.Portland, OR 972131669422416
- Ronald Kizziar, MDPortland, OR 972131316924046
- David Klipper, DOPortland, OR 972131598851396
- Richard Koesel, MDPortland, OR 972131275572133
- Jozsef Lukacs, MDPortland, OR 972131164406989
- Michael Neuman, MDPortland, OR 972131316924053
Common questions
What is Stacy A. Yamasaki, MD's NPI number?
Stacy A. Yamasaki, MD's National Provider Identifier (NPI) is 1821075565, issued on Dec 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stacy A. Yamasaki, MD located?
The NPPES record lists a practice address at 545 NE 47TH Ave, Portland, OR, 97213. Phone: (503) 731-2990. Providers update this record themselves, so call before visiting.
How can I verify Stacy A. Yamasaki, MD's license?
NPPES lists Oregon license number MD15786, 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.
What is Stacy A. Yamasaki, MD's MIPS final score?
The 2023 MIPS final score is 91.6 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), 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.