Registry data as of Aug 27, 2026

Duy Tran, M.D.

Family Medicine Physician · Portland, OR

Duy Tran, M.D. is a family medicine physician with a practice address in Portland, Oregon, and NPI 1134115512, issued on Sep 21, 2005. Check the license (Oregon MD187100, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1134115512
Name
Duy Tran
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
MD187100 OR
MD25805 OR
MD00045971 WA
Self-reported in NPPES; status is on the state search
Practice location
839 NE Holladay St, Portland, OR 97232
Phone
(503) 203-0700
Enumerated
Sep 21, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 839 NE Holladay St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mary AnfilofieffAmbulatory Care Registered Nurse1316895675
  2. Edward Chaplain, MDFamily Medicine Physician1275559940
  3. Kelsey Tanaka, FNPFamily Nurse Practitioner1649727348
  4. Jonathan Vinson, MDFamily Medicine Physician1003836487
  5. Jean-Huei Yau, MDFamily Medicine Physician1346603792

Verify Duy Tran in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD187100
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Oregon license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

42% fewer Medicare Part D claims than the average family medicine physician in 2024

2,050 Medicare Part D claims for 181 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 102 claims were for opioids.

  1. Duy Tran2,050
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium170 claims
  2. Amlodipine Besylate100 claims
  3. Losartan Potassium62 claims
  4. Lisinopril56 claims
  5. Hydrochlorothiazide42 claims
  6. Quetiapine Fumarate42 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.

The practice group's Medicare quality score for 2023: 87.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.2
  2. Costout of 100 · 30%74.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. Providence Health And Services OregonPortland, OR

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

513 family medicine physician records list a Portland practice address

They are 513 of the 42,088 NPPES records with a Portland practice address, and 2,711 family medicine physician records in Oregon.

Other family medicine physician records in Oregon

  1. Roxana Abbott, DOPortland, OR1275799082
  2. David Abdun-Nur, M.D.Grants Pass, OR1396737847
  3. Traci Ackron, D.O.Hillsboro, OR1336588789
  4. Orlando Acosta, MDHood River, OR1912990375
  5. Michele Adamcak, D.O.Tigard, OR1114097227
  6. Standley Adamek, DOTigard, OR1144515230
  7. Harry Adamo, MDSpringfield, OR1235191412
  8. Allyson AdamsClackamas, OR1043899537
  9. Caroline Adams, MDGresham, OR1164840815
  10. Justin Adams, M.D.Medford, OR1760616866

Common questions

What is Duy Tran, M.D.'s NPI number?

Duy Tran, M.D.'s National Provider Identifier (NPI) is 1134115512, issued on Sep 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Duy Tran, M.D. located?

The NPPES record lists a practice address at 839 NE Holladay St, Portland, OR, 97232. Phone: (503) 203-0700. Providers update this record themselves, so call before visiting.

How can I verify Duy Tran, M.D.'s license?

NPPES lists Oregon license number MD187100, 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 Duy Tran, M.D. prescribe under Medicare Part D?

In 2024, Duy Tran, M.D. had 2,050 Medicare Part D claims for 181 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

What is Duy Tran, M.D.'s Medicare quality score?

The 2023 MIPS final score is 87.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.