NPPES file of Aug 9, 2026

Eriko Onishi, MD

Family Medicine Physician · Portland, OR

Eriko Onishi, MD is a family medicine physician with a practice address in Portland, Oregon, and NPI 1538261573, issued on Sep 1, 2006. Check the license (Oregon MD154762, 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
1538261573
Name
Eriko Onishi
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
MD154762 OR
01053139 IN
Self-reported in NPPES; status is on the state search
Practice location
3303 SW Bond Ave, Portland, OR 97239
Phone
(503) 494-8573
Enumerated
Sep 1, 2006
Record last updated
Nov 1, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20111026000958); accepts Medicare assignment
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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Also registered at 3303 SW Bond Ave

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

  1. Joanna Adams, PA-CSurgical Physician Assistant1538587795
  2. Courtney Alley, ATCAthletic Trainer1457758344
  3. Paula Amato, MDReproductive Endocrinology Physician1316027683
  4. Jamie Anderson, DPTPhysical Therapist1730511635
  5. Shannon Anderson, PA-CPhysician Assistant1780832402
  6. Anne Marie Banasky, OTR, CHTOccupational Therapist1164631370

Verify Eriko Onishi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD154762
    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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4% more Medicare Part D claims than the average family medicine physician in 2024

3,699 Medicare Part D claims for 219 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 94 claims were for opioids.

  1. Eriko Onishi3,699
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium252 claims
  2. Amlodipine Besylate212 claims
  3. Losartan Potassium141 claims
  4. Tamsulosin Hcl141 claims
  5. Gabapentin138 claims
  6. Levothyroxine Sodium117 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 3 group practices

  1. Salem HealthSalem, OR
  2. Tuality Medical Group LLCHillsboro, OR
  3. University Professional ServicesBeaverton, OR

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

Eriko Onishi among 2,847 family medicine physician records in Oregon

Eriko Onishi, MD is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 53% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1996 · median 2009 among the 1,671 with a school on file
  • Record last updated2011 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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.

The 8 family medicine physician records with the nearest ZIP codes

  1. Mark Bajorek, M.D.Portland, OR 972391982610564
  2. Shawn Blanchard, MDPortland, OR 972391477561934
  3. Jennifer Edman, M.D.Portland, OR 972391457379505
  4. M. Patrice Eiff, MDPortland, OR 972391467467977
  5. Jessica Flynn, MDPortland, OR 972391689682122
  6. John Heintzman, MDPortland, OR 972391689690653
  7. Elizabeth Hourihan, MDPortland, OR 972391710998810
  8. Valerie King, MD, MPHPortland, OR 972391073521530

Common questions

What is Eriko Onishi, MD's NPI number?

Eriko Onishi, MD's National Provider Identifier (NPI) is 1538261573, issued on Sep 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Eriko Onishi, MD located?

The NPPES record lists a practice address at 3303 SW Bond Ave, Portland, OR, 97239. Phone: (503) 494-8573. Providers update this record themselves, so call before visiting.

How can I verify Eriko Onishi, MD's license?

NPPES lists Oregon license number MD154762, 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 Eriko Onishi, MD prescribe under Medicare Part D?

In 2024, Eriko Onishi, MD had 3,699 Medicare Part D claims for 219 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.