Alan Jay Cohen, MD
Psychiatry Physician · San Leandro, CA
Alan Jay Cohen, MD is a psychiatry physician with a practice address in San Leandro, California, and NPI 1538139860, issued on Jan 26, 2006. Check the license (California G51201, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alan Jay Cohen
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G51201 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2045 Fairmont Dr, San Leandro, CA 94578
- Phone
- (510) 667-7516
- Enumerated
- Jan 26, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (510) 667-7522
- Medicare enrollment
- Enrolled (PECOS I20060413000595); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1982
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 2045 Fairmont Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Madelaine AlejandroClinical Social Worker1336663574
- Lydia AppleStudent in an Organized Health Care Education/Training Program1184018442
- Lorna Bland, MDPsychiatry Physician1124079686
- Steven BucholtzMental Health Counselor1588926729
- Catherine ChenMental Health Counselor1144553462
- Michael Cheng, LCSWClinical Social Worker1205086345
Verify Alan Jay Cohen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G51201Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average psychiatry physician in 2024
418 Medicare Part D claims for 24 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Olanzapine71 claims
- Invega Sustenna39 claims
- Abilify Maintena38 claims
- Lithium Carbonate37 claims
- Trazodone Hcl31 claims
- Topiramate26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- County OF AlamedaSan Leandro, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alan Jay Cohen among 8,673 psychiatry physician records in California
Alan Jay Cohen, 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. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated1982 · median 2005 among the 3,295 with a school on file
- 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.
All 8,673 in California → Every provider in San Leandro → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Lorna Bland, MDSan Leandro, CA 945781124079686
- Suzanne Bruch, M.D.San Leandro, CA 945781215050190
- John Fenton, M.D.San Leandro, CA 945781154478550
- Dina Frid, M.D.San Leandro, CA 945781134253594
- Sukhi Johal, MDSan Leandro, CA 945781417158981
- Peter Lavalle, M.D.San Leandro, CA 945781114907995
- Joshua Niclas, M.D.San Leandro, CA 945781013063999
- Lawrence Novis, M.D.San Leandro, CA 945781316018096
Common questions
What is Alan Jay Cohen, MD's NPI number?
Alan Jay Cohen, MD's National Provider Identifier (NPI) is 1538139860, issued on Jan 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan Jay Cohen, MD located?
The NPPES record lists a practice address at 2045 Fairmont Dr, San Leandro, CA, 94578. Phone: (510) 667-7516. Providers update this record themselves, so call before visiting.
How can I verify Alan Jay Cohen, MD's license?
NPPES lists California license number G51201, 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.
How much does Alan Jay Cohen, MD prescribe under Medicare Part D?
In 2024, Alan Jay Cohen, MD had 418 Medicare Part D claims for 24 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions 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.
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.