NPPES file of Aug 9, 2026

Erin McKnew, PSY.D.

Clinical Psychologist · Walnut Creek, CA

Erin McKnew, PSY.D. is a clinical psychologist with a practice address in Walnut Creek, California, and NPI 1659795110, issued on Feb 4, 2014. Check the license (California 26495, as entered in NPPES) with the California 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
1659795110
Name
Erin McKnew
Credential
PSY.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
26495 CA
Self-reported in NPPES; status is on the state search
Practice location
1425 S Main St, Walnut Creek, CA 94596
Phone
(925) 295-6896
Enumerated
Feb 4, 2014
Record last updated
Jan 3, 2022
Medicare enrollment
Enrolled (PECOS I20150902001667); 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 clinical psychologist records → All 12,647 in California → Look up another NPI →

Also registered at 1425 S Main St

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

  1. Eric AaserudeEmergency Medicine Physician1811491194
  2. Derek Abbassi, MDObstetrics & Gynecology Physician1841364155
  3. Peter Ackerman, MDEmergency Medicine Physician1427435023
  4. Aaron Mark Acosta, DOEmergency Medicine Physician1538789987
  5. Basil Adad, MDOtolaryngology Physician1487732574
  6. Derek Ailes, M.D.Emergency Medical Services (Emergency Medicine) Physician1992001804

Verify Erin McKnew 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 26495    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.

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Bills Medicare through one group practice

  1. Permanente Medical Group IncAntioch, CA

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

Erin McKnew among 12,647 clinical psychologist records in California

Erin McKnew, PSY.D. is one of 12,647 clinical psychologist records with a practice address in California. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 71% of them.

  • NPI issued2014 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 9% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated2013 · median 2006 among the 2,424 with a school on file
  • Record last updated2022 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

96 clinical psychologist records list a practice address in Walnut Creek

They are 96 of the 6,170 NPPES records with a practice address in Walnut Creek, and 12,647 clinical psychologist records in California.

All 12,647 in California → Every provider in Walnut Creek → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Michael Cheney, PSY.D.Walnut Creek, CA 945961184696643
  2. Irena Ginsburg, PH.D.Walnut Creek, CA 945961629157938
  3. Carolyn Hokanson, PHDWalnut Creek, CA 945961851452874
  4. Laurie Kirkpatrick, PH.D.Walnut Creek, CA 945961174685259
  5. Roopal Lalaji, PSYDWalnut Creek, CA 945961740397223
  6. Allan Leung, PHDWalnut Creek, CA 945961558425413
  7. Hagit Miller, PSY DWalnut Creek, CA 945961770535015
  8. Lori Ono, PH.D.Walnut Creek, CA 945961487719928

Common questions

What is Erin McKnew, PSY.D.'s NPI number?

Erin McKnew, PSY.D.'s National Provider Identifier (NPI) is 1659795110, issued on Feb 4, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Erin McKnew, PSY.D. located?

The NPPES record lists a practice address at 1425 S Main St, Walnut Creek, CA, 94596. Phone: (925) 295-6896. Providers update this record themselves, so call before visiting.

How can I verify Erin McKnew, PSY.D.'s license?

NPPES lists California license number 26495, 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. Medicare files from data.cms.gov. 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.