Zachary Bosshardt, MD
Psychiatry Physician · Martinez, CA
Zachary Bosshardt, MD is a psychiatry physician with a practice address in Martinez, California, and NPI 1659900264, issued on Apr 6, 2020. Check the license (California 202623, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Zachary Bosshardt
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 202623 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Alhambra Ave, Martinez, CA 94553
- Phone
- (925) 370-5000
- Enumerated
- Apr 6, 2020
- Record last updated
- Jul 30, 2025
- Medicare enrollment
- Enrolled (PECOS I20260408004207); may accept Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 2024
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 2500 Alhambra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Abid Ahmed, M.D.Internal Medicine Physician1346531001
Verify Zachary Bosshardt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 202623Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Zachary Bosshardt among 8,673 psychiatry physician records in California
Zachary Bosshardt, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 2020, is newer than 87% of them.
- NPI issued2020 · 87% of these records are older, 9% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2024 · median 2005 among the 3,295 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 psychiatry physician records list a practice address in Martinez
They are 35 of the 1,816 NPPES records with a practice address in Martinez, and 8,673 psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,673 in California → Every provider in Martinez → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Aneela Ahmed, MDMartinez, CA 945531568545317
- Charita Dagcuta, MDMartinez, CA 945531851461768
- Alina Faramazyan, MDMartinez, CA 945531093898744
- Kristine Girard, MDMartinez, CA 945531124093208
- Rita Hargrave, M.D.Martinez, CA 945531801874219
- George HeitzmanMartinez, CA 945531619054491
- Larry Kean, M.D.Martinez, CA 945531154318830
- Joan Kotun, MDMartinez, CA 945531497791347
Common questions
What is Zachary Bosshardt, MD's NPI number?
Zachary Bosshardt, MD's National Provider Identifier (NPI) is 1659900264, issued on Apr 6, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Bosshardt, MD located?
The NPPES record lists a practice address at 2500 Alhambra Ave, Martinez, CA, 94553. Phone: (925) 370-5000. Providers update this record themselves, so call before visiting.
How can I verify Zachary Bosshardt, MD's license?
NPPES lists California license number 202623, 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. 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.