Carolyn Cha Ying Chang, MD
Student in an Organized Health Care Education/Training Program · Portland, OR
Carolyn Cha Ying Chang, MD is a student in an organized health care education/training program with a practice address in Portland, Oregon, and NPI 1881273225, issued on Apr 5, 2021. Check the license with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carolyn Cha Ying Chang
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 3181 SW Sam Jackson Park RD # L-579, Portland, OR 97239
- Phone
- (971) 673-2700
- Enumerated
- Apr 5, 2021
- Record last updated
- Apr 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 3,027 in Oregon → Look up another NPI →
Also registered at 3181 SW Sam Jackson Park RD # L-579
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adedamola AdedokunStudent in an Organized Health Care Education/Training Program1942903851
- Neha Agrawal, MDStudent in an Organized Health Care Education/Training Program1740868306
- Alexis Bagwell, MDStudent in an Organized Health Care Education/Training Program1861997447
- Erika Bennett, MDStudent in an Organized Health Care Education/Training Program1043953540
- Philip Blatt, MDStudent in an Organized Health Care Education/Training Program1134705130
- Adam Brandon Bondoc, MDStudent in an Organized Health Care Education/Training Program1922946110
Verify Carolyn Cha Ying Chang 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
93% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
13 Medicare Part D claims, against an average of 185 among the 59,748 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.
Carolyn Cha Ying Chang among 3,027 student in an organized health care education/training program records in Oregon
Carolyn Cha Ying Chang, MD is one of 3,027 student in an organized health care education/training program records with a practice address in Oregon. 21% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 23% of them.
- NPI issued2021 · 23% of these records are older, 71% newer
- In a Medicare fileYes · 21% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2021 · 24% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,976 student in an organized health care education/training program records list a practice address in Portland
They are 1,976 of the 42,088 NPPES records with a practice address in Portland, and 3,027 student in an organized health care education/training program records in Oregon.
All 3,027 in Oregon → Every provider in Portland → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Eugene ChangPortland, OR 972391568670792
- Crystal Fo, M.D.Portland, OR 972391588867774
- Jessica GreenPortland, OR 972391821283078
- Gregg Langbecker, S.R.N.A.Portland, OR 972391679768683
- Leisandro Luengo Bastarrica, M.D.Portland, OR 972391215188651
- Seth O'Neal, M.D.Portland, OR 972391902000342
- Alison Perry, M.S.Portland, OR 972391528155801
- Sky Press, PA-SPortland, OR 972391174795090
Common questions
What is Carolyn Cha Ying Chang, MD's NPI number?
Carolyn Cha Ying Chang, MD's National Provider Identifier (NPI) is 1881273225, issued on Apr 5, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Carolyn Cha Ying Chang, MD located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD # L-579, Portland, OR, 97239. Phone: (971) 673-2700. Providers update this record themselves, so call before visiting.
How can I verify Carolyn Cha Ying Chang, MD's license?
Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Carolyn Cha Ying Chang, MD prescribe under Medicare Part D?
In 2024, Carolyn Cha Ying Chang, MD had 13 Medicare Part D claims; the average among student in an organized health care education/training program prescribers was 185. 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.