NPPES file of Aug 9, 2026

Mark Wilkison, M.D

Emergency Medicine Physician · Portland, OR

Mark Wilkison, M.D is an emergency medicine physician with a practice address in Portland, Oregon, and NPI 1912394016, issued on Apr 16, 2015. Check the license (Oregon MD184323, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912394016
Name
Mark Wilkison
Credential
M.D
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
MD184323 OR
Self-reported in NPPES; status is on the state search
Practice location
9155 SW Barnes RD Ste 420, Portland, OR 97225
Phone
(503) 297-6334
Enumerated
Apr 16, 2015
Record last updated
May 10, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180829002754); accepts Medicare assignment
Medical or professional school
Oregon Health Sciences University School Of Medicine, 2018
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 9155 SW Barnes RD Ste 420

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

  1. George Apostolopoulos, M.D.Emergency Medicine Physician1134495625
  2. Brittany Arnold, MDEmergency Medicine Physician1851731673
  3. Miranda Brown, MDEmergency Medicine Physician1760131445
  4. Amanda Munk, M.D.Emergency Medicine Physician1811160385
  5. Alexandra Reinbold, MDEmergency Medicine Physician1831696319
  6. Nicolas Stadlberger, MDEmergency Medicine Physician1689091167

Verify Mark Wilkison in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD184323
    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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46% fewer Medicare Part D claims than the average emergency medicine physician in 2024

121 Medicare Part D claims for 80 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 22 claims were for opioids.

  1. Mark Wilkison121
  2. Specialty average226

Most prescribed

  1. Oxycodone Hcl15 claims
  2. Cephalexin14 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): 100 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 score96.4
  2. Costout of 100 · 30%100.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  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. Providence Health And Services OregonPortland, OR

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

Mark Wilkison among 1,079 emergency medicine physician records in Oregon

Mark Wilkison, M.D is one of 1,079 emergency medicine physician records with a practice address in Oregon. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 74% of them.

  • NPI issued2015 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2018 · median 2013 among the 557 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 207P00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Oregon

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

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Christopher Andrews, M.D.Portland, OR 972251124113808
  2. Julie Andrews, M.D.Portland, OR 972251497840185
  3. Kenneth Bizovi, M.D.Portland, OR 972251528153228
  4. Eric Brentlinger, M.D.Portland, OR 972251881782035
  5. Thomas Calverley, M.D.Portland, OR 972251174611222
  6. David Craig, M.D.Portland, OR 972251801982673
  7. Kenneth Dirk, M.D.Portland, OR 972251780770776
  8. Daniel Douglas, M.D.Portland, OR 972251932295938

Common questions

What is Mark Wilkison, M.D's NPI number?

Mark Wilkison, M.D's National Provider Identifier (NPI) is 1912394016, issued on Apr 16, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Mark Wilkison, M.D located?

The NPPES record lists a practice address at 9155 SW Barnes RD Ste 420, Portland, OR, 97225. Phone: (503) 297-6334. Providers update this record themselves, so call before visiting.

How can I verify Mark Wilkison, M.D's license?

NPPES lists Oregon license number MD184323, 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 Mark Wilkison, M.D prescribe under Medicare Part D?

In 2024, Mark Wilkison, M.D had 121 Medicare Part D claims for 80 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Mark Wilkison, M.D's MIPS final score?

The 2023 MIPS final score is 100 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.