Billy Hoon Chang, MD, PHD
Pediatric Hematology & Oncology Physician · Portland, OR
Billy Hoon Chang, MD, PHD is a pediatric hematology & oncology physician with a practice address in Portland, Oregon, and NPI 1710921739, issued on Jun 16, 2006. Check the license (Oregon MD24667, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Billy Hoon Chang
- Credential
- MD, PHD
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- MD24667 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3181 SW Sam Jackson Park RD, Portland, OR 97239
- Phone
- (503) 494-1543
- Enumerated
- Jun 16, 2006
- Record last updated
- Dec 19, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (503) 494-0714
- Medicare enrollment
- Enrolled (PECOS I20061106000053); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 2000
- Entity
- Type 1 · individual
Also registered at 3181 SW Sam Jackson Park RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alex AamodtCritical Care Medicine Registered Nurse1154257590
- Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
- Kenneth Abbey, MDAnesthesiology Physician1588779342
- Matthew Abbott, PA-CMedical Physician Assistant1154738003
- Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
- Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430
Verify Billy Hoon Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD24667Check 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): 97.8 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 one group practice
- University Professional ServicesBeaverton, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pediatric Hematology & Oncology Physician providers in Oregon
There are 36 pediatric hematology & oncology physician records in Oregon.
Other pediatric hematology & oncology physician records in Oregon
- Werner Bleyer, M.D.Bend, OR1952589772
- Donna Bradshaw, MDAshland, OR1952390593
- John Carter, M.D., PH.DPortland, OR1447426077
- Natalie Cassell, M.D.Portland, OR1265850887
- Matthew Dietz, D.O.Portland, OR1386986909
- Ryan Fox-Lee, MD, JDPortland, OR1770169518
- Faith Galderisi, DOPortland, OR1750596177
- Jason Glover, MDPortland, OR1053526210
- Kristina Haley, DOPortland, OR1366608911
- James Jacobs, MD, MPHPortland, OR1679785471
Common questions
What is Billy Hoon Chang, MD, PHD's NPI number?
Billy Hoon Chang, MD, PHD's National Provider Identifier (NPI) is 1710921739, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Billy Hoon Chang, MD, PHD located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-1543. Providers update this record themselves, so call before visiting.
How can I verify Billy Hoon Chang, MD, PHD's license?
NPPES lists Oregon license number MD24667, 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 Billy Hoon Chang, MD, PHD's MIPS final score?
The 2023 MIPS final score is 97.8 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.