NPPES file of Aug 9, 2026

Matthew J. Kaiser, M.D.

Family Medicine Physician · Eugene, OR

Matthew J. Kaiser, M.D. is a family medicine physician with a practice address in Eugene, Oregon, and NPI 1720374069, issued on Jun 24, 2011. Check the license (Oregon MD167414, 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
1720374069
Name
Matthew J. Kaiser
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD167414 OR
Self-reported in NPPES; status is on the state search
Practice location
3299 Hilyard St, Eugene, OR 97405
Phone
(541) 222-8620
Enumerated
Jun 24, 2011
Record last updated
Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(541) 222-8652
Medicare enrollment
Enrolled (PECOS I20140716000165); accepts Medicare assignment
Medical or professional school
University Of Kansas School Of Med (Kc/Wich/Sal), 2011
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 family medicine physician records → All 2,847 in Oregon → Look up another NPI →

Also registered at 3299 Hilyard St

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

  1. Anita Allison-McNutt, MDFamily Medicine Physician1053790923
  2. Lorne Bigley, MDFamily Medicine Physician1922029289
  3. Christa Danielson, M.D.Family Medicine Physician1982677449
  4. W. Dukeminier, M.D.Internal Medicine Physician1154394450
  5. Sylvia Gregory, PA-CMedical Physician Assistant1598701229
  6. Emma Lee Junior, M.D.Internal Medicine Physician1508832908

Verify Matthew J. Kaiser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD167414    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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2.4 times the Medicare Part D claims of the average family medicine physician in 2024

8,682 Medicare Part D claims for 627 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 688 claims were for opioids.

  1. Matthew Kaiser8,682
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium605 claims
  2. Levothyroxine Sodium340 claims
  3. Hydrocodone-Acetaminophen292 claims
  4. Lisinopril286 claims
  5. Amlodipine Besylate231 claims
  6. Losartan Potassium231 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).

Matthew J. Kaiser among 2,847 family medicine physician records in Oregon

Matthew J. Kaiser, M.D. 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 2011, is newer than 65% of them.

  • NPI issued2011 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2011 · median 2009 among the 1,671 with a school on file
  • Record last updated2018 · 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).

157 family medicine physician records list a practice address in Eugene

They are 157 of the 8,239 NPPES records with a practice address in Eugene, and 2,847 family medicine physician records in Oregon.

All 2,847 in Oregon → Every provider in Eugene → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Anita Allison-McNutt, MDEugene, OR 974051053790923
  2. Lorne Bigley, MDEugene, OR 974051922029289
  3. Christa Danielson, M.D.Eugene, OR 974051982677449
  4. Orestes Gutierrez, D.O.Eugene, OR 974051558332791
  5. Devin Lee, MDEugene, OR 974051790125649
  6. Mark Lyon, M.D.Eugene, OR 974051447227434
  7. William Moshofsky, M.D.Eugene, OR 974051649248527
  8. Leigh Saint-Louis, MDEugene, OR 974051538241781

Common questions

What is Matthew J. Kaiser, M.D.'s NPI number?

Matthew J. Kaiser, M.D.'s National Provider Identifier (NPI) is 1720374069, issued on Jun 24, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Matthew J. Kaiser, M.D. located?

The NPPES record lists a practice address at 3299 Hilyard St, Eugene, OR, 97405. Phone: (541) 222-8620. Providers update this record themselves, so call before visiting.

How can I verify Matthew J. Kaiser, M.D.'s license?

NPPES lists Oregon license number MD167414, 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 Matthew J. Kaiser, M.D. prescribe under Medicare Part D?

In 2024, Matthew J. Kaiser, M.D. had 8,682 Medicare Part D claims for 627 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.