NPPES file of Aug 9, 2026

Karen C. Olson, PHD

Clinical Neuropsychologist · Phoenix, AZ

Karen C. Olson, PHD is a clinical neuropsychologist with a practice address in Phoenix, Arizona, and NPI 1942432604, issued on Aug 13, 2009. Check the license (Arizona 4027, as entered in NPPES) with the Arizona board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942432604
Name
Karen C. Olson
Credential
PHD
Primary taxonomy
Clinical Neuropsychologist 103G00000X
License number
4027 AZ
Self-reported in NPPES; status is on the state search
Practice location
222 W Thomas RD, Phoenix, AZ 85013
Phone
(602) 406-4516
Enumerated
Aug 13, 2009
Record last updated
Aug 13, 2009 (not updated in 17 years: call before relying on the address or phone)
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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8 nearest clinical neuropsychologist records → All 137 in Arizona → Look up another NPI →

Also registered at 222 W Thomas RD

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

  1. Scott Alexander, M.D.Surgery Physician1376506683
  2. William Arnold, M.D.Surgery Physician1720042591
  3. Chantay Banikarim, M.D.Pediatric Adolescent Medicine Physician1699884890
  4. Anthony Bennett, PAPhysician Assistant1467970988
  5. Laurie-Anne Campbell, PT, DPT, MBA, MSCSNeurology Physical Therapist1700328036
  6. Javier Cardenas, M.D.Neurology with Special Qualifications in Child Neurology Physician1447445440

Verify Karen C. Olson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 4027    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 Arizona license search

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Karen C. Olson among 137 clinical neuropsychologist records in Arizona

Karen C. Olson, PHD is one of 137 clinical neuropsychologist records with a practice address in Arizona. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2009, is newer than 48% of them.

  • NPI issued2009 · 48% of these records are older, 48% newer
  • In a Medicare fileNo · 31% of these records are
  • In the CMS Doctors and Clinicians fileNo · 35% of these records are
  • Record last updated2009 · 65% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Neuropsychologist providers in Arizona

There are 137 clinical neuropsychologist records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 137 in Arizona → Every provider in Phoenix → Clinical Neuropsychologist nationwide →

The 8 clinical neuropsychologist records with the nearest ZIP codes

  1. Heather Caples, PHDPhoenix, AZ 850131609986660
  2. Danielle Eagan, PH.D.Phoenix, AZ 850131467985408
  3. Efrat Eichenbaum, LP, PHDPhoenix, AZ 850131003265786
  4. Shawn Gale, PHDPhoenix, AZ 850131396855367
  5. Aimee Goldstein, PH.D.Phoenix, AZ 850131649417908
  6. Krista Hanson, PH.D.Phoenix, AZ 850131346653847
  7. Gregory Lee, PHDPhoenix, AZ 850131063521326
  8. Caleb Pearson, PSY.D.Phoenix, AZ 850131457471658

Common questions

What is Karen C. Olson, PHD's NPI number?

Karen C. Olson, PHD's National Provider Identifier (NPI) is 1942432604, issued on Aug 13, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Karen C. Olson, PHD located?

The NPPES record lists a practice address at 222 W Thomas RD, Phoenix, AZ, 85013. Phone: (602) 406-4516. Providers update this record themselves, so call before visiting.

How can I verify Karen C. Olson, PHD's license?

NPPES lists Arizona license number 4027, as entered by the provider. Search the Arizona 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (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 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.