Stephen James Tang, M.D.
Diagnostic Radiology Physician · Portland, OR
Stephen James Tang, M.D. is a diagnostic radiology physician with a practice address in Portland, Oregon, and NPI 1497174411, issued on Apr 8, 2014. Check the license on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stephen James Tang
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- MD61079462 WA
65850 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1015 NW 22ND Ave Ste T240, Portland, OR 97210
- Phone
- (503) 413-7127
- Enumerated
- Apr 8, 2014
- Record last updated
- Apr 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20200804003105); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 522 in Oregon → Look up another NPI →
Verify Stephen James Tang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical BoardCheck 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 MIPS final score for 2023 (Medicare payment program): 83.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 6 group practices
- Chesapeake Diagnostic Imaging Centers LLCChesapeake, VA
- First Meridian Medical LLCVirginia Beach, VA
- Mori Bean And Brooks IncPortland, OR
- Pacific Imaging Associates LLCPortland, OR
- Public Hospital District NO. 2, Klickitat County, WashingtonWhite Salmon, WA
- West Virginia Radiology Associates PCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen James Tang among 522 diagnostic radiology physician records in Oregon
Stephen James Tang, M.D. 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 2014, is newer than 81% of them.
- NPI issued2014 · 81% of these records are older, 17% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2014 · median 2005 among the 334 with a school on file
- Record last updated2025 · 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
- Phillip Baker, MDPortland, OR 972101497781355
- Deborah Blanchard, DOPortland, OR 972101497790448
- Gerald Green, MDPortland, OR 972101922044163
- Sam Gruner, MDPortland, OR 972101770525362
- Patricia Richmond, M.D.Portland, OR 972101962598789
- Kevin Semonsen, MDPortland, OR 972101629010087
- Robert Sheley, MDPortland, OR 972101679517114
- Kari Thomas, M.D.Portland, OR 972101285830513
Common questions
What is Stephen James Tang, M.D.'s NPI number?
Stephen James Tang, M.D.'s National Provider Identifier (NPI) is 1497174411, issued on Apr 8, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Stephen James Tang, M.D. located?
The NPPES record lists a practice address at 1015 NW 22ND Ave Ste T240, Portland, OR, 97210. Phone: (503) 413-7127. Providers update this record themselves, so call before visiting.
How can I verify Stephen James Tang, M.D.'s license?
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 Stephen James Tang, M.D.'s MIPS final score?
The 2023 MIPS final score is 83.5 of 100. 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.