NPPES file of Aug 9, 2026

Loan Thuy Duong, D.O.

Family Medicine Physician · Springfield, OR

Loan Thuy Duong, D.O. is a family medicine physician with a practice address in Springfield, Oregon, and NPI 1255568515, issued on Jun 14, 2009. Check the license (Oregon DO159382, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255568515
Name
Loan Thuy Duong
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
DO159382 OR
BP10033765 TX
P1636 TX
Self-reported in NPPES; status is on the state search
Practice location
860 Beltline RD, Springfield, OR 97477
Phone
(541) 222-6005
Enumerated
Jun 14, 2009
Record last updated
Jul 8, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(541) 222-6029
Medicare enrollment
Enrolled (PECOS I20120927000849); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 860 Beltline RD

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

  1. Samuel Balin, M.D., PH.D.Dermatology Physician1518254481
  2. Janna Check, PA-CMedical Physician Assistant1619575008
  3. Alison KastFamily Nurse Practitioner1710425871
  4. Jason Keister, M.D.Family Medicine Physician1073928438
  5. Hong Le, D.O.Emergency Medicine Physician1639453822
  6. Laurie Leece, PA-CMedical Physician Assistant1942314992

Verify Loan Thuy Duong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license DO159382    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

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92% fewer Medicare Part D claims than the average family medicine physician in 2024

274 Medicare Part D claims for 203 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Loan Duong274
  2. Specialty average3,544

Most prescribed

  1. Amoxicillin-Clavulanate Potass33 claims
  2. Doxycycline Monohydrate27 claims
  3. Cephalexin19 claims
  4. Prednisone15 claims
  5. Meloxicam14 claims
  6. Cefdinir12 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

  1. Peacehealth Medical GroupEugene, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

51 family medicine physician records list a practice address in Springfield

They are 51 of the 2,209 NPPES records with a practice address in Springfield, and 2,847 family medicine physician records in Oregon.

All 51 in Springfield → All 2,847 in Oregon → Every provider in Springfield →

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 Loan Thuy Duong, D.O.'s NPI number?

Loan Thuy Duong, D.O.'s National Provider Identifier (NPI) is 1255568515, issued on Jun 14, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Loan Thuy Duong, D.O. located?

The NPPES record lists a practice address at 860 Beltline RD, Springfield, OR, 97477. Phone: (541) 222-6005. Providers update this record themselves, so call before visiting.

How can I verify Loan Thuy Duong, D.O.'s license?

NPPES lists Oregon license number DO159382, 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 Loan Thuy Duong, D.O. prescribe under Medicare Part D?

In 2024, Loan Thuy Duong, D.O. had 274 Medicare Part D claims for 203 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.