NPPES file of Aug 9, 2026

Stephen Jeremy Lenssen

Physician Assistant · Portland, OR

Stephen Jeremy Lenssen is a physician assistant with a practice address in Portland, Oregon, and NPI 1568616928, issued on Nov 12, 2008. Check the license (Oregon PA01412, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568616928
Name
Stephen Jeremy Lenssen
Primary taxonomy
Physician Assistant 363A00000X
License number
PA01412 OR
Self-reported in NPPES; status is on the state search
Practice location
501 N Graham St Ste 200, Portland, OR 97227
Phone
(503) 413-2492
Enumerated
Nov 12, 2008
Record last updated
Nov 12, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090105000197); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 501 N Graham St Ste 200

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

  1. Kalina Baasten, PHARMDPharmacist1295522472
  2. Bryce Bederka, M.D.Sports Medicine (Orthopaedic Surgery) Physician1831215987
  3. Christine Chun, FNP-CFamily Nurse Practitioner1376050989
  4. Christine Garrow, NPFamily Nurse Practitioner1407336787
  5. Camelia Mihart, AGACNPAdult Health Nurse Practitioner1942045380
  6. Mayonne Renner, NP-CAdult Health Nurse Practitioner1477926517

Verify Stephen Jeremy Lenssen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license PA01412
    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
Find 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

86% fewer Medicare Part D claims than the average physician assistant in 2024

115 Medicare Part D claims for 63 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 66 claims were for opioids.

  1. Stephen Lenssen115
  2. Specialty average830

Most prescribed

  1. Naproxen37 claims
  2. Hydrocodone-Acetaminophen35 claims
  3. Oxycodone Hcl24 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 86 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score77.8
  2. Costout of 100 · 30%74.2
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

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).

Stephen Jeremy Lenssen among 2,094 physician assistant records in Oregon

Stephen Jeremy Lenssen is one of 2,094 physician assistant records with a practice address in Oregon. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 22% of them.

  • NPI issued2008 · 22% of these records are older, 75% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2008 · median 2017 among the 1,552 with a school on file
  • Record last updated2008 · 37% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physician Assistant providers in Oregon

There are 2,094 physician assistant records in Oregon.

The 8 physician assistant records with the nearest ZIP codes

  1. Robert Buschman, P.A.Portland, OR 972271750495776
  2. Jerome Casey, PAPortland, OR 972271659486074
  3. Ian Clemons, PA-CPortland, OR 972271336246479
  4. Gregory Davenport, PA-CPortland, OR 972271972542009
  5. James Deitle, PA-CPortland, OR 972271003000753
  6. Hannah Dodd, PA-CPortland, OR 972271295892024
  7. Robert Earl, PAPortland, OR 972271376551234
  8. Daniel Friedman, PAPortland, OR 972271457375198

Common questions

What is Stephen Jeremy Lenssen's NPI number?

Stephen Jeremy Lenssen's National Provider Identifier (NPI) is 1568616928, issued on Nov 12, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Jeremy Lenssen located?

The NPPES record lists a practice address at 501 N Graham St Ste 200, Portland, OR, 97227. Phone: (503) 413-2492. Providers update this record themselves, so call before visiting.

How can I verify Stephen Jeremy Lenssen's license?

NPPES lists Oregon license number PA01412, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Stephen Jeremy Lenssen prescribe under Medicare Part D?

In 2024, Stephen Jeremy Lenssen had 115 Medicare Part D claims for 63 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Stephen Jeremy Lenssen's MIPS final score?

The 2023 MIPS final score is 86 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.