NPPES file of Aug 9, 2026

Ben Viet Ly, M. D.

Internal Medicine Physician · Portland, OR

Ben Viet Ly, M. D. is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1760706709, issued on Mar 19, 2010. Check the license (Oregon MD162402, 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
1760706709
Name
Ben Viet Ly
Credential
M. D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD162402 OR
Self-reported in NPPES; status is on the state search
Practice location
1130 NW 22ND Ave Ste 220, Portland, OR 97210
Phone
(503) 413-8988
Enumerated
Mar 19, 2010
Record last updated
Nov 14, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(503) 413-5629
Medicare enrollment
Enrolled (PECOS I20130903000162); accepts Medicare assignment
Medical or professional school
Oregon Health Sciences University School Of Medicine, 2010
Telehealth
Offers telehealth (CMS)
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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8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →

Also registered at 1130 NW 22ND Ave Ste 220

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

  1. Rebecca AmesFamily Nurse Practitioner1053294041
  2. Shikhi BhansariInternal Medicine Physician1699277830
  3. Kayce Campbell, FNPFamily Nurse Practitioner1891412730
  4. Rachel Chlasta, PHARMDAmbulatory Care Pharmacist1336572346
  5. Jacquelyn Dunn, D.O.Internal Medicine Physician1609213461
  6. Patrick Dunn, M.D.Internal Medicine Physician1669447231

Verify Ben Viet Ly in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD162402    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.

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56% more Medicare Part D claims than the average internal medicine physician in 2024

4,946 Medicare Part D claims for 397 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 110 claims were for opioids.

  1. Ben Ly4,946
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium574 claims
  2. Amlodipine Besylate247 claims
  3. Levothyroxine Sodium218 claims
  4. Losartan Potassium191 claims
  5. Lisinopril179 claims
  6. Omeprazole154 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. Legacy Clinics LLCPortland, OR

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

Ben Viet Ly among 2,116 internal medicine physician records in Oregon

Ben Viet Ly, M. D. 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 2010, is newer than 62% of them.

  • NPI issued2010 · 62% of these records are older, 35% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2010 · median 2008 among the 1,232 with a school on file
  • Record last updated2013 · 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

  1. Stephen Baugh, MDPortland, OR 972101972577740
  2. James Borden, MDPortland, OR 972101679555742
  3. Patrick Dunn, M.D.Portland, OR 972101669447231
  4. Barry Egener, MDPortland, OR 972101437124088
  5. Joyce KaynardPortland, OR 972101720053317
  6. Curtis Marr, M.D.Portland, OR 972101669447264
  7. Erich Meihoff, MDPortland, OR 972101144295916
  8. John Oppenheimer, MDPortland, OR 972101922071513

Common questions

What is Ben Viet Ly, M. D.'s NPI number?

Ben Viet Ly, M. D.'s National Provider Identifier (NPI) is 1760706709, issued on Mar 19, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Ben Viet Ly, M. D. located?

The NPPES record lists a practice address at 1130 NW 22ND Ave Ste 220, Portland, OR, 97210. Phone: (503) 413-8988. Providers update this record themselves, so call before visiting.

How can I verify Ben Viet Ly, M. D.'s license?

NPPES lists Oregon license number MD162402, 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 Ben Viet Ly, M. D. prescribe under Medicare Part D?

In 2024, Ben Viet Ly, M. D. had 4,946 Medicare Part D claims for 397 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.

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.