NPPES file of Aug 9, 2026

David C. Helgeson, PHD

Psychologist · Scottsdale, AZ

David C. Helgeson, PHD is a psychologist with a practice address in Scottsdale, Arizona, and NPI 1346201852, issued on Apr 1, 2006. Check the license (Arizona 1730, 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
1346201852
Name
David C. Helgeson
Credential
PHD
Primary taxonomy
Psychologist 103T00000X
License number
1730 AZ
Self-reported in NPPES; status is on the state search
Practice location
8149 N 87TH PL, Scottsdale, AZ 85258
Phone
(480) 860-9644
Enumerated
Apr 1, 2006
Record last updated
Aug 8, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(480) 661-6048
Medicare enrollment
Enrolled (PECOS I20050929000621); 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.
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8 nearest psychologist records → All 723 in Arizona → Look up another NPI →

Also registered at 8149 N 87TH PL

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

  1. Lynn Barinbaum, MSWClinical Social Worker1730228859
  2. Melinda BrooksAddiction (Substance Use Disorder) Counselor1275207334
  3. Aymet Demara, LISACAddiction (Substance Use Disorder) Counselor1427888924
  4. Judith Dolan, MS, LPCProfessional Counselor1992776215
  5. Russell Gilbert, M.D.Sleep Medicine (Psychiatry & Neurology) Physician1639129919
  6. Catherine Jordeth, M.S.Marriage & Family Therapist1053338608

Verify David C. Helgeson 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 1730    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

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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David C. Helgeson among 723 psychologist records in Arizona

David C. Helgeson, PHD is one of 723 psychologist records with a practice address in Arizona. 7% 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 75% newer
  • In a Medicare fileNo · 7% of these records are
  • In the CMS Doctors and Clinicians fileYes · 16% of these records are
  • Graduated1988 · median 2002 among the 117 with a school on file
  • Record last updated2013 · 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 103T00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in Arizona

There are 723 psychologist records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 723 in Arizona → Every provider in Scottsdale → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Kim Feinstein, PSY.D.Scottsdale, AZ 852581699054759
  2. Lisa Galper, PSY. D.Scottsdale, AZ 852581326193707
  3. Patricia Hernandez, PSYDScottsdale, AZ 852581083929442
  4. Sarah Karabatsos, PSY.DScottsdale, AZ 852581457750416
  5. Frances Karcher, PHDScottsdale, AZ 852581316053390
  6. Ellen Kelman, PHDScottsdale, AZ 852581144244617
  7. Katherine Kuhlman, PSYDScottsdale, AZ 852581043556558
  8. Carol McLean, PH.D.Scottsdale, AZ 852581851412621

Common questions

What is David C. Helgeson, PHD's NPI number?

David C. Helgeson, PHD's National Provider Identifier (NPI) is 1346201852, issued on Apr 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David C. Helgeson, PHD located?

The NPPES record lists a practice address at 8149 N 87TH PL, Scottsdale, AZ, 85258. Phone: (480) 860-9644. Providers update this record themselves, so call before visiting.

How can I verify David C. Helgeson, PHD's license?

NPPES lists Arizona license number 1730, 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.