NPPES file of Aug 9, 2026

Adam A. Nelson, PHD

Clinical Neuropsychologist · Clackamas, OR

Adam A. Nelson, PHD is a clinical neuropsychologist with a practice address in Clackamas, Oregon, and NPI 1295933968, issued on Jul 4, 2007. 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295933968
Name
Adam A. Nelson
Credential
PHD
Primary taxonomy
Clinical Neuropsychologist 103G00000X
License numbers
60081984 WA
21569 CA
Self-reported in NPPES; status is on the state search
Practice location
9800 SE Sunnyside RD, Clackamas, OR 97015
Phone
(503) 813-2000
Enumerated
Jul 4, 2007
Record last updated
Dec 28, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200124001433); 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 9800 SE Sunnyside RD

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

  1. Jacqueline AdlawanFamily Medicine Physician1598708125
  2. Tatyana Aleksandrova, MDInternal Medicine Physician1740719103
  3. Jun Ying Ao, PSY.D.Counselor1548396450
  4. Ashley Austin, M.D.Family Medicine Physician1285097543
  5. Jaspreet Bains, PHARM DPharmacist1356591184
  6. Kristina Barley, MDFamily Medicine Physician1891145462

Verify Adam A. Nelson 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

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.

Bills Medicare through one group practice

  1. Kaiser Foundation Health Plan OF The NorthwestClackamas, OR

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

Adam A. Nelson among 72 clinical neuropsychologist records in Oregon

Adam A. Nelson, PHD is one of 72 clinical neuropsychologist records with a practice address in Oregon. 28% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 32% of them.

  • NPI issued2007 · 32% of these records are older, 47% newer
  • In a Medicare fileYes · 28% of these records are
  • In the CMS Doctors and Clinicians fileYes · 32% of these records are
  • Graduated2005 · median 2014 among the 23 with a school on file
  • Record last updated2021 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103G00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Neuropsychologist providers in Oregon

There are 72 clinical neuropsychologist records in Oregon.

The 8 clinical neuropsychologist records with the nearest ZIP codes

  1. Amy Friday, PH.D.Beaverton, OR 970071013084300
  2. Audrey Sherman, PH.D.Beaverton, OR 970051639133564
  3. Laura Renteria, PH.D.Beaverton, OR 970031205046422
  4. James Powell, PSY.D.Gresham, OR 970301841312550
  5. Loren Mallory, PHD, ABPPOregon City, OR 970451992853402
  6. Michael Daniel, PHDHillsboro, OR 971231922194547
  7. Craig StoneHillsboro, OR 971231316622327
  8. Sandy Tadrous-FurnanzHillsboro, OR 971241457741886

Common questions

What is Adam A. Nelson, PHD's NPI number?

Adam A. Nelson, PHD's National Provider Identifier (NPI) is 1295933968, issued on Jul 4, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Adam A. Nelson, PHD located?

The NPPES record lists a practice address at 9800 SE Sunnyside RD, Clackamas, OR, 97015. Phone: (503) 813-2000. Providers update this record themselves, so call before visiting.

How can I verify Adam A. Nelson, PHD's license?

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