John Brandeis Boesky, MFT
Mental Health Counselor · San Diego, CA
John Brandeis Boesky, MFT is a mental health counselor with a practice address in San Diego, California, and NPI 1821248634, issued on Sep 29, 2008. Check the license (California 39666, 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.
- Name
- John Brandeis Boesky
- Credential
- MFT
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- License number
- 39666 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5100 Marlborough Dr, San Diego, CA 92116
- Phone
- (858) 334-4300
- Enumerated
- Sep 29, 2008
- Record last updated
- Sep 29, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 5100 Marlborough Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Brandeis Boesky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 39666Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1,778 mental health counselor records list a practice address in San Diego
They are 1,778 of the 52,937 NPPES records with a practice address in San Diego, and 28,617 mental health counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,778 in San Diego → All 28,617 in California → Every provider in San Diego →
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Common questions
What is John Brandeis Boesky, MFT's NPI number?
John Brandeis Boesky, MFT's National Provider Identifier (NPI) is 1821248634, issued on Sep 29, 2008. An NPI identifies a provider in billing; it is not a license.
Where is John Brandeis Boesky, MFT located?
The NPPES record lists a practice address at 5100 Marlborough Dr, San Diego, CA, 92116. Phone: (858) 334-4300. Providers update this record themselves, so call before visiting.
How can I verify John Brandeis Boesky, MFT's license?
NPPES lists California license number 39666, 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.