NPPES file of Aug 9, 2026

Alex C. Koichi, MD

Diagnostic Radiology Physician · Portland, OR

Alex C. Koichi, MD is a diagnostic radiology physician with a practice address in Portland, Oregon, and NPI 1518428713, issued on Mar 29, 2019. Check the license (Oregon MD223935, 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
1518428713
Name
Alex C. Koichi
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
MD223935 OR
MD233935 OR
Self-reported in NPPES; status is on the state search
Practice location
9205 SW Barnes RD, Portland, OR 97225
Phone
(503) 216-4830
Enumerated
Mar 29, 2019
Record last updated
Dec 2, 2025
Medicare enrollment
Enrolled (PECOS I20250703003937); accepts Medicare assignment
Medical or professional school
University Of South Alabama College Of Medicine, 2019
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 9205 SW Barnes RD

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

  1. Darshan Acharya, M.D.Diagnostic Radiology Physician1033173638
  2. Daniel Addy, C.R.N.A.Certified Registered Nurse Anesthetist1003929795
  3. Alexis Amatisto, DOInternal Medicine Physician1386263580
  4. Maria Ampomah, M.S. CCC-SLPSpeech-Language Pathologist1871049940
  5. Christopher Andersen, RNRegistered Nurse1164343323
  6. Christopher Andrews, M.D.Emergency Medicine Physician1124113808

Verify Alex C. Koichi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD223935
    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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31% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024

35 Medicare Part D claims for 22 beneficiaries, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 11 claims were for opioids.

  1. Alex Koichi35
  2. Specialty average51

Most prescribed

  1. Ondansetron Odt15 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 5 group practices

  1. Bridgeport Medical Imaging, LLCTigard, OR
  2. Center For Medical Imaging LLCHillsboro, OR
  3. Providence Health And Services OregonWarrenton, OR
  4. Providence Health And Services OregonPortland, OR
  5. Trg, LLCPortland, OR

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

Alex C. Koichi among 522 diagnostic radiology physician records in Oregon

Alex C. Koichi, MD is one of 522 diagnostic radiology physician records with a practice address in Oregon. 67% 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 90% of them.

  • NPI issued2019 · 90% of these records are older, 7% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2019 · median 2005 among the 334 with a school on file
  • Record last updated2025 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Oregon

There are 522 diagnostic radiology physician records in Oregon.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Darshan Acharya, M.D.Portland, OR 972251033173638
  2. Gregory Beagle, MDPortland, OR 972251245200682
  3. Crispin Chinn, MDPortland, OR 972251619983228
  4. Anthony Dire, MDPortland, OR 972251093769259
  5. William Fife, MDPortland, OR 972251366413486
  6. Lloyd Heller, MDPortland, OR 972251275503609
  7. Ben Jacobson, M.D.Portland, OR 972251336192574
  8. Leah Johnson, MDPortland, OR 972251710957055

Common questions

What is Alex C. Koichi, MD's NPI number?

Alex C. Koichi, MD's National Provider Identifier (NPI) is 1518428713, issued on Mar 29, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Alex C. Koichi, MD located?

The NPPES record lists a practice address at 9205 SW Barnes RD, Portland, OR, 97225. Phone: (503) 216-4830. Providers update this record themselves, so call before visiting.

How can I verify Alex C. Koichi, MD's license?

NPPES lists Oregon license number MD223935, 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 Alex C. Koichi, MD prescribe under Medicare Part D?

In 2024, Alex C. Koichi, MD had 35 Medicare Part D claims for 22 beneficiaries; the average among diagnostic radiology physician prescribers was 51. 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.