Te-Yu Ruth Chang, MD, MPH
Family Medicine Physician · Portland, OR
Te-Yu Ruth Chang, MD, MPH is a family medicine physician with a practice address in Portland, Oregon, and NPI 1902910185, issued on Aug 18, 2006. Check the license (Oregon MD25134, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Te-Yu Ruth Chang
- Credential
- MD, MPH
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD25134 OR
Self-reported in NPPES; status is on the state search - Practice location
- 7705 SE Division St, Portland, OR 97206
- Phone
- (503) 813-0378
- Enumerated
- Aug 18, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050907000751); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2002
- Entity
- Type 1 · individual
Also registered at 7705 SE Division St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marcia Bechtold, M.D.Internal Medicine Physician1801983903
- Judy ComptonOptician1760599005
- Jon Davis, PA-CPhysician Assistant1184793903
- Jane DrummondInternal Medicine Physician1225142862
- Charles Elder, M.D.Internal Medicine Physician1346352077
- Keith FingerettOptician1306859897
Verify Te-Yu Ruth Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD25134Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average family medicine physician in 2024
470 Medicare Part D claims for 164 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Amlodipine Besylate29 claims
- Losartan Potassium28 claims
- Lisinopril25 claims
- Furosemide20 claims
- Atorvastatin Calcium17 claims
- Trazodone Hcl15 claims
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.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The NorthwestClackamas, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
561 family medicine physician records list a practice address in Portland
They are 561 of the 42,088 NPPES records with a practice address in Portland, and 2,847 family medicine physician records in Oregon.
All 561 in Portland → All 2,847 in Oregon → Every provider in Portland →
Other family medicine physician records in Oregon
- Roxana Abbott, DOPortland, OR1275799082
- David Abdun-Nur, M.D.Grants Pass, OR1396737847
- Traci Ackron, D.O.Hillsboro, OR1336588789
- Orlando Acosta, MDHood River, OR1912990375
- Michele Adamcak, D.O.Tigard, OR1114097227
- Standley Adamek, DOTigard, OR1144515230
- Harry Adamo, MDSpringfield, OR1235191412
- Allyson AdamsClackamas, OR1043899537
- Caroline Adams, MDGresham, OR1164840815
- Justin Adams, M.D.Medford, OR1760616866
Common questions
What is Te-Yu Ruth Chang, MD, MPH's NPI number?
Te-Yu Ruth Chang, MD, MPH's National Provider Identifier (NPI) is 1902910185, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Te-Yu Ruth Chang, MD, MPH located?
The NPPES record lists a practice address at 7705 SE Division St, Portland, OR, 97206. Phone: (503) 813-0378. Providers update this record themselves, so call before visiting.
How can I verify Te-Yu Ruth Chang, MD, MPH's license?
NPPES lists Oregon license number MD25134, 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.
How much does Te-Yu Ruth Chang, MD, MPH prescribe under Medicare Part D?
In 2024, Te-Yu Ruth Chang, MD, MPH had 470 Medicare Part D claims for 164 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.