NPPES file of Aug 9, 2026

John Stephen Cox, MD

Student in an Organized Health Care Education/Training Program · Portland, OR

John Stephen Cox, MD is a student in an organized health care education/training program with a practice address in Portland, Oregon, and NPI 1891051181, issued on Apr 11, 2012. Check the license 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891051181
Name
John Stephen Cox
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
3181 SW Sam Jackson Park RD, Portland, OR 97239
Phone
(503) 494-8211
Enumerated
Apr 11, 2012
Record last updated
Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170802003845); accepts Medicare assignment
Medical or professional school
University Of New Mexico School Of Medicine, 2012
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 3181 SW Sam Jackson Park RD

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

  1. Alex AamodtCritical Care Medicine Registered Nurse1154257590
  2. Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
  3. Kenneth Abbey, MDAnesthesiology Physician1588779342
  4. Matthew Abbott, PA-CMedical Physician Assistant1154738003
  5. Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
  6. Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430

Verify John Stephen Cox in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this professionCheck 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

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14% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

159 Medicare Part D claims for 54 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. 63 claims were for opioids.

  1. John Cox159
  2. Specialty average185

Most prescribed

  1. Oxycodone Hcl34 claims
  2. Clindamycin Hcl28 claims
  3. Gabapentin26 claims
  4. Hydrocodone-Acetaminophen18 claims
  5. Celecoxib13 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.

Industry payments in 2024: $3,218.61

17 payments; by number, the most common kind was food and beverage; the largest payer was Zimmer Biomet Holdings, Inc. The 13,278 providers of this specialty with any payment received $608.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Cox$3,218.61
  2. Specialty average$608.08

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Permanente Medical Group IncWalnut Creek, CA

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

John Stephen Cox among 3,027 student in an organized health care education/training program records in Oregon

John Stephen Cox, MD is one of 3,027 student in an organized health care education/training program records with a practice address in Oregon. 21% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 5% of them.

  • NPI issued2012 · 5% of these records are older, 94% newer
  • In a Medicare fileYes · 21% of these records are
  • In the CMS Doctors and Clinicians fileYes · 4% of these records are
  • Graduated2012 · median 2019 among the 115 with a school on file
  • Record last updated2021 · 24% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,976 student in an organized health care education/training program records list a practice address in Portland

They are 1,976 of the 42,088 NPPES records with a practice address in Portland, and 3,027 student in an organized health care education/training program records in Oregon.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Eugene ChangPortland, OR 972391568670792
  2. Crystal Fo, M.D.Portland, OR 972391588867774
  3. Jessica GreenPortland, OR 972391821283078
  4. Gregg Langbecker, S.R.N.A.Portland, OR 972391679768683
  5. Leisandro Luengo Bastarrica, M.D.Portland, OR 972391215188651
  6. Seth O'Neal, M.D.Portland, OR 972391902000342
  7. Alison Perry, M.S.Portland, OR 972391528155801
  8. Sky Press, PA-SPortland, OR 972391174795090

Common questions

What is John Stephen Cox, MD's NPI number?

John Stephen Cox, MD's National Provider Identifier (NPI) is 1891051181, issued on Apr 11, 2012. An NPI identifies a provider in billing; it is not a license.

Where is John Stephen Cox, MD located?

The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-8211. Providers update this record themselves, so call before visiting.

How can I verify John Stephen Cox, MD's license?

Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does John Stephen Cox, MD prescribe under Medicare Part D?

In 2024, John Stephen Cox, MD had 159 Medicare Part D claims for 54 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.