Jonathan Deam, M.D.
Psychiatry Physician · San Diego, CA
Jonathan Deam, M.D. is a psychiatry physician with a practice address in San Diego, California, and NPI 1982864948, issued on Jun 12, 2008. Check the license (California A126198, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jonathan Deam
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- A126198 CA
237546 MA
Self-reported in NPPES; status is on the state search - Practice location
- 3853 Rosecrans St, San Diego, CA 92110
- Phone
- (619) 692-8232
- Enumerated
- Jun 12, 2008
- Record last updated
- Feb 3, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (619) 542-4060
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 3853 Rosecrans St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rabie Abasi, PHARMDPharmacist1154953735
- Jamson Jaeger AbellaAdult Psychiatric/Mental Health Registered Nurse1396345260
- Julianne Mae Llado Abesamis, RNAdult Psychiatric/Mental Health Registered Nurse1710644778
- Joanna AbhaySocial Worker1922769900
- Alissa Abood, IMFMental Health Counselor1437398872
- Edmund Achacoso, R.N.Adult Psychiatric/Mental Health Registered Nurse1255747549
Verify Jonathan Deam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A126198Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average psychiatry physician in 2024
239 Medicare Part D claims for 19 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Fluoxetine Hcl35 claims
- Quetiapine Fumarate28 claims
- Lamotrigine24 claims
- Clonazepam18 claims
- Mirtazapine15 claims
- Gabapentin14 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.
Jonathan Deam among 8,673 psychiatry physician records in California
Jonathan Deam, 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. Its NPI, issued in 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2014 · 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 Diego → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Gurpreet Ahluwalia, M.D.San Diego, CA 921101164452272
- Scott Bunner, M.D.San Diego, CA 921101720115090
- Olga Caplin, MDSan Diego, CA 921101134249014
- Ronit Chernobelsky, MDSan Diego, CA 921101154468684
- Vanessa Greenwood, M.D.San Diego, CA 921101134281934
- H. Kower, M.D.San Diego, CA 921101841329653
- Lana Lee, MDSan Diego, CA 921101194803130
- Luckvin Manuel, M.D.San Diego, CA 921101699857813
Common questions
What is Jonathan Deam, M.D.'s NPI number?
Jonathan Deam, M.D.'s National Provider Identifier (NPI) is 1982864948, issued on Jun 12, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Deam, M.D. located?
The NPPES record lists a practice address at 3853 Rosecrans St, San Diego, CA, 92110. Phone: (619) 692-8232. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Deam, M.D.'s license?
NPPES lists California license number A126198, 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 Jonathan Deam, M.D. prescribe under Medicare Part D?
In 2024, Jonathan Deam, M.D. had 239 Medicare Part D claims for 19 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.