NPPES file of Aug 9, 2026

Dennis W. Wallstrom, PH.D.

Psychologist · Patton, CA

Dennis W. Wallstrom, PH.D. is a psychologist with a practice address in Patton, California, and NPI 1932152600, issued on May 17, 2006. Check the license (California PSY13058, as entered in NPPES) with the California 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
1932152600
Name
Dennis W. Wallstrom
Credential
PH.D.
Primary taxonomy
Psychologist 103T00000X
License number
PSY13058 CA
Self-reported in NPPES; status is on the state search
Practice location
3102 E. Highland Avenue, Patton, CA 92369
Phone
(909) 425-7679
Enumerated
May 17, 2006
Record last updated
Aug 21, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(909) 425-6635
Medicare enrollment
Enrolled (PECOS I20091026000496); may accept 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 3102 E. Highland Avenue

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

  1. Tim Alder, M.D.Psychiatry Physician1619929023
  2. Luminita Andronescu, M.D.Specialist1699856864
  3. Ai Li Arias, M.D.Psychiatry Physician1134171598
  4. Maurizio Assandri, PH.D.Psychologist1790807402
  5. Jasdeep Aulakh, M.D.Geriatric Psychiatry Physician1932153616
  6. Tamseela Awan, M.D.Internal Medicine Physician1720059413

Verify Dennis W. Wallstrom in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PSY13058
    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 California 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.

Dennis W. Wallstrom among 7,304 psychologist records in California

Dennis W. Wallstrom, PH.D. is one of 7,304 psychologist records with a practice address in California. 6% 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 1% of them.

  • NPI issued2006 · 1% of these records are older, 82% newer
  • In a Medicare fileNo · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 14% of these records are
  • Graduated1990 · median 2005 among the 1,058 with a school on file
  • Record last updated2015 · 59% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

42 psychologist records list a practice address in Patton

They are 42 of the 339 NPPES records with a practice address in Patton, and 7,304 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 psychologist records with the nearest ZIP codes

  1. Stephen Berger, PSY.D.Patton, CA 923691831151224
  2. William Britt, PH.D.Patton, CA 923691235181033
  3. Steven Jenkins, PHDPatton, CA 923691578515722
  4. Norman Kerbel, PHDPatton, CA 923691821040361
  5. John Kinsman, PSYDPatton, CA 923691740232487
  6. Ming-Pay Liu, PH.D.Patton, CA 923691689626137
  7. Mona Mosk, PH.D.Patton, CA 923691538111083
  8. Stephen Nitch, PH.D.Patton, CA 923691962454181

Common questions

What is Dennis W. Wallstrom, PH.D.'s NPI number?

Dennis W. Wallstrom, PH.D.'s National Provider Identifier (NPI) is 1932152600, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dennis W. Wallstrom, PH.D. located?

The NPPES record lists a practice address at 3102 E. Highland Avenue, Patton, CA, 92369. Phone: (909) 425-7679. Providers update this record themselves, so call before visiting.

How can I verify Dennis W. Wallstrom, PH.D.'s license?

NPPES lists California license number PSY13058, as entered by the provider. Search the California 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.

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.