Registry data as of Aug 27, 2026

Jennifer Larson, M.D.

Emergency Medicine Physician · Happy Valley, OR

Jennifer Larson, M.D. is an emergency medicine physician with a practice address in Happy Valley, Oregon, and NPI 1679512347, issued on Jun 6, 2006. Check the license (Oregon MD25904, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1679512347
Name
Jennifer Larson
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
MD25904 OR
Self-reported in NPPES; status is on the state search
Practice location
16180 SE Sunnyside RD Ste 102, Happy Valley, OR 97015
Phone
(503) 582-4900
Enumerated
Jun 6, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 16180 SE Sunnyside RD Ste 102

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

  1. Theodore Askwith, PSYDCognitive & Behavioral Psychologist1720405566
  2. Jennifer Freadman, BSNRegistered Nurse1770414088
  3. Sally Gildehaus, PSYDPsychologist1407381882
  4. Kevin Grainger, MDFamily Medicine Physician1194889808
  5. Merna Labib, DOFamily Medicine Physician1811456130
  6. Graham Phelps, FNP-BCFamily Nurse Practitioner1114358033

Verify Jennifer Larson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD25904    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.

32% fewer Medicare Part D claims than the average emergency medicine physician in 2024

153 Medicare Part D claims for 110 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Jennifer Larson153
  2. Specialty average226

Most prescribed

  1. Hydrocodone-Acetaminophen18 claims
  2. Cephalexin15 claims
  3. Amoxicillin-Clavulanate Potass11 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. Providence Health And Services OregonHappy Valley, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Emergency Medicine Physician providers in Oregon

There are 1,079 emergency medicine physician records in Oregon.

All 1,079 in Oregon → Every provider in Happy Valley →

Other emergency medicine physician records in Oregon

  1. Richard Abraham, MDEugene, OR1457396442
  2. Andrew Adamski, MDRedmond, OR1306874011
  3. Ulrika Agnew, MDPortland, OR1598296394
  4. Anna Akita, M.D.Medford, OR1942521372
  5. Darren Alexander, MDPortland, OR1487678256
  6. Kevin Allan, M.D.Springfield, OR1023549466
  7. Nina Allan, MDAlbany, OR1184899221
  8. McKaila Allcorn, DOLincoln City, OR1700197076
  9. Christopher Allen, MDOregon City, OR1467915843
  10. Jacoby Allen, D.O.Redmond, OR1396068748

Common questions

What is Jennifer Larson, M.D.'s NPI number?

Jennifer Larson, M.D.'s National Provider Identifier (NPI) is 1679512347, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Larson, M.D. located?

The NPPES record lists a practice address at 16180 SE Sunnyside RD Ste 102, Happy Valley, OR, 97015. Phone: (503) 582-4900. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Larson, M.D.'s license?

NPPES lists Oregon license number MD25904, 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 Jennifer Larson, M.D. prescribe under Medicare Part D?

In 2024, Jennifer Larson, M.D. had 153 Medicare Part D claims for 110 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Built from the named public files by PlainDoctor's data pipeline (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) 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 27, 2026.