NPPES file of Aug 9, 2026

David Nathaniel Hawkey, PSY.D.

Clinical Psychologist · Oakland, CA

David Nathaniel Hawkey, PSY.D. is a clinical psychologist with a practice address in Oakland, California, and NPI 1427179662, issued on Apr 3, 2007. Check the license (California PSY26626, 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
1427179662
Name
David Nathaniel Hawkey
Credential
PSY.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY26626 CA
Self-reported in NPPES; status is on the state search
Practice location
1440 Broadway, Oakland, CA 94612
Phone
(415) 450-8216
Enumerated
Apr 3, 2007
Record last updated
Jan 11, 2022
Medicare enrollment
Enrolled (PECOS I20150522000497); 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 1440 Broadway

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

  1. Suzan Ahmed, M.A.Student in an Organized Health Care Education/Training Program1083093223
  2. Kelsey AndersonSchool Counselor1508298001
  3. Greg BanksPsychologist1780016832
  4. Lauren Crawford, B.A.Mental Health Counselor1629329826
  5. Kimberly DuncanCounselor1093071227
  6. Simon Ferber, PSYDClinical Psychologist1093193914

Verify David Nathaniel Hawkey 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 PSY26626    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

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Bills Medicare through one group practice

  1. Permanente Medical Group IncStockton, CA

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

David Nathaniel Hawkey among 12,647 clinical psychologist records in California

David Nathaniel Hawkey, 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 2007, is newer than 20% of them.

  • NPI issued2007 · 20% of these records are older, 57% 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).

354 clinical psychologist records list a practice address in Oakland

They are 354 of the 18,558 NPPES records with a practice address in Oakland, and 12,647 clinical psychologist records in California.

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

The 8 clinical psychologist records with the nearest ZIP codes

  1. Andreas Bollinger, PH.D.Oakland, CA 946121700079530
  2. Nicole Chambers, PSY.D.Oakland, CA 946121821297029
  3. Maryann D'Onofrio, PH.D., MFTOakland, CA 946121801006952
  4. Ahmed El-Sokkary, PSYDOakland, CA 946121619169380
  5. Alicia English, PH.D.Oakland, CA 946121104808278
  6. Marlin GriffithOakland, CA 946121437174760
  7. K Benjamin Knipe, PSYDOakland, CA 946121962537613
  8. John ManzolatiOakland, CA 946121689882417

Common questions

What is David Nathaniel Hawkey, PSY.D.'s NPI number?

David Nathaniel Hawkey, PSY.D.'s National Provider Identifier (NPI) is 1427179662, issued on Apr 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is David Nathaniel Hawkey, PSY.D. located?

The NPPES record lists a practice address at 1440 Broadway, Oakland, CA, 94612. Phone: (415) 450-8216. Providers update this record themselves, so call before visiting.

How can I verify David Nathaniel Hawkey, PSY.D.'s license?

NPPES lists California license number PSY26626, 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.