NPPES file of Aug 9, 2026

Matthew Bonn, DO

Psychiatry Physician · Patton, CA

Matthew Bonn, DO is a psychiatry physician with a practice address in Patton, California, and NPI 1235692898, issued on Apr 10, 2019. Check the license (California 20A19799, as entered in NPPES) on the Medical Board of California; 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
1235692898
Name
Matthew Bonn
Credential
DO
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
20A19799 CA
Self-reported in NPPES; status is on the state search
Practice location
3102 E Highland Ave, Patton, CA 92369
Phone
(909) 425-7000
Enumerated
Apr 10, 2019
Record last updated
Mar 31, 2026
Medicare enrollment
Enrolled (PECOS I20231002003331); 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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Also registered at 3102 E Highland Ave

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

  1. Vanessa Acosta Michel, LCSW, MSWClinical Social Worker1386114544
  2. Maria Aparcero Suero, PH.D.Clinical Psychologist1265257885
  3. Shannon Bader, PHDClinical Psychologist1316266281
  4. Jason Bailie, PH.D.Clinical Neuropsychologist1932494432
  5. Emily BalandraStudent in an Organized Health Care Education/Training Program1427427319
  6. Rainer Bansuan, M.D.Adolescent Medicine (Family Medicine) Physician1336258037

Verify Matthew Bonn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A19799
    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
Open 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. Department OF State HospitalsPatton, CA

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

79 psychiatry physician records list a practice address in Patton

They are 79 of the 339 NPPES records with a practice address in Patton, and 8,673 psychiatry physician records in California.

Other psychiatry physician records in California

  1. Nancy Aaen, MDNapa, CA1609816669
  2. Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
  3. Mekabiz Abaian, MDSan Bernardino, CA1891090163
  4. Brenda Abarca, MDTorrance, CA1407485527
  5. Pilar Abascal, M.D.Los Angeles, CA1730528191
  6. Michele Abbasi, M.D.Westlake Village, CA1093940330
  7. Zohaib AbbasiMartinez, CA1013392224
  8. Sandy Abdelkedous, MDFresno, CA1306093109
  9. Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
  10. Ezzat Abdelmalek, M.DDana Point, CA1992828826

Common questions

What is Matthew Bonn, DO's NPI number?

Matthew Bonn, DO's National Provider Identifier (NPI) is 1235692898, issued on Apr 10, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Bonn, DO located?

The NPPES record lists a practice address at 3102 E Highland Ave, Patton, CA, 92369. Phone: (909) 425-7000. Providers update this record themselves, so call before visiting.

How can I verify Matthew Bonn, DO's license?

NPPES lists California license number 20A19799, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

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.