Jerome Alexander Hanowsky, M.D.

Psychiatry Physician · San Ramon, CA

Jerome Alexander Hanowsky, M.D. is a psychiatry physician with a practice address in San Ramon, California, and NPI 1952492688, issued on Sep 27, 2006. Check the license (California G20291, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026

1952492688

Name: Jerome Alexander Hanowsky
Credential: M.D.
Primary taxonomy: Psychiatry Physician 2084P0800X
License number: G20291 CA
Self-reported in NPPES; status is on the state search
Practice location: 2817 Crow Canyon RD Ste 202, San Ramon, CA 94583
Phone: (925) 820-8613
Enumerated: Sep 27, 2006
Record last updated: Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity: Type 1 · individual

Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.

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8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →

Verify Jerome Alexander Hanowsky in five checks

1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
2LicenseActive license and public ordersMedical Board of California
Search for license G20291Check the board
3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
5CertificationBoard certificationABMS AOA NCCPA AANPNot checked

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Jerome Alexander Hanowsky among 8,673 psychiatry physician records in California

Jerome Alexander Hanowsky, M.D. 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 2006, is newer than 2% of them.

NPI issued2006 · 2% of these records are older, 67% newer
In a Medicare fileNo · 67% of these records are
In the CMS Doctors and Clinicians fileNo · 38% of these records are
Record last updated2007 · 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).

Psychiatry Physician providers in California

There are 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 San Ramon → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

Lisa Benton, M.D.San Ramon, CA 945831033303631
Brad Gould, M.D.San Ramon, CA 945831477620151
Andrew Krompier, MDSan Ramon, CA 945831528032901
Charles Montgomery, M.D.San Ramon, CA 945831689730772
Erick Rizzotto, MDSan Ramon, CA 945831053670893
Sidharth Sharma, MDSan Ramon, CA 945831396069050
Aliya Bakr, M.D.Union City, CA 945871780791038
Shuja Jafar-Ali, M.D.Union City, CA 945871548348394

Common questions

What is Jerome Alexander Hanowsky, M.D.'s NPI number?

Jerome Alexander Hanowsky, M.D.'s National Provider Identifier (NPI) is 1952492688, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jerome Alexander Hanowsky, M.D. located?

The NPPES record lists a practice address at 2817 Crow Canyon RD Ste 202, San Ramon, CA, 94583. Phone: (925) 820-8613. Providers update this record themselves, so call before visiting.

How can I verify Jerome Alexander Hanowsky, M.D.'s license?

NPPES lists California license number G20291, 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.

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.