Timothy Duh, MD
Internal Medicine Physician · Portland, OR
Timothy Duh, MD is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1528625878, issued on May 22, 2019. Check the license (Oregon MD211869, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Timothy Duh
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD211869 OR
PG193834 OR
Self-reported in NPPES; status is on the state search - Practice location
- 417 SW 117TH Ave Ste 200, Portland, OR 97225
- Phone
- (503) 216-9400
- Enumerated
- May 22, 2019
- Record last updated
- Oct 5, 2022
- Medicare enrollment
- Enrolled (PECOS I20220927001833); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 417 SW 117TH Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Claire Alexander, MSN, NP, FNP-BCFamily Nurse Practitioner1861387961
- Andrew Barnes, PH.DClinical Psychologist1295979805
- Ellen Priscilla Bautista Yang, MDFamily Medicine Physician1174744395
- Richard Cam, DOInternal Medicine Physician1316438468
- Andrew Elton, MDInternal Medicine Physician1164167557
- Lauren Harper, PHDClinical Psychologist1205441144
Verify Timothy Duh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD211869Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% more Medicare Part D claims than the average internal medicine physician in 2024
4,045 Medicare Part D claims for 482 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 116 claims were for opioids.
Most prescribed
- Atorvastatin Calcium340 claims
- Amlodipine Besylate217 claims
- Levothyroxine Sodium195 claims
- Losartan Potassium162 claims
- Lisinopril148 claims
- Omeprazole123 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
- Providence Health And Services OregonPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy Duh among 2,116 internal medicine physician records in Oregon
Timothy Duh, MD is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.
- NPI issued2019 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2019 · median 2008 among the 1,232 with a school on file
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
889 internal medicine physician records list a practice address in Portland
They are 889 of the 42,088 NPPES records with a practice address in Portland, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Portland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Myrna Casono, MDPortland, OR 972251588666432
- Timothy Cleary, M.D.Portland, OR 972251215933411
- Cynthia Ferrier, M.D.Portland, OR 972251285607440
- Robert Fojtasek, MDPortland, OR 972251306888649
- Steven Gordon, MDPortland, OR 972251285616748
- Thomas Gragnola, MDPortland, OR 972251144220765
- Janette Green, M.D.Portland, OR 972251225029986
- Charles Kilo, M.D.Portland, OR 972251801869078
Common questions
What is Timothy Duh, MD's NPI number?
Timothy Duh, MD's National Provider Identifier (NPI) is 1528625878, issued on May 22, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Duh, MD located?
The NPPES record lists a practice address at 417 SW 117TH Ave Ste 200, Portland, OR, 97225. Phone: (503) 216-9400. Providers update this record themselves, so call before visiting.
How can I verify Timothy Duh, MD's license?
NPPES lists Oregon license number MD211869, 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 Timothy Duh, MD prescribe under Medicare Part D?
In 2024, Timothy Duh, MD had 4,045 Medicare Part D claims for 482 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.