Timothy Joseph Hayes, M.D., M.P.H.
Addiction Psychiatry Physician · Santa Monica, CA
Timothy Joseph Hayes, M.D., M.P.H. is an addiction psychiatry physician with a practice address in Santa Monica, California, and NPI 1194722264, issued on Jul 5, 2005. Check the license (California G36996, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Timothy Joseph Hayes
- Credential
- M.D., M.P.H.
- Primary taxonomy
- Addiction Psychiatry Physician 2084P0802X
- License number
- G36996 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1301 20TH St, Santa Monica, CA 90404
- Phone
- (310) 315-0303
- Enumerated
- Jul 5, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (310) 315-0302
- Entity
- Type 1 · individual
8 nearest addiction psychiatry physician records → All 73 in California → Look up another NPI →
Also registered at 1301 20TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Adair, M.D.Specialist1629013321
- Parviz Afshani, M.D.Gastroenterology Physician1083693766
- James Anastasi, M.D.Legal Medicine1649280074
- Richard Bennett, MDDermatology Physician1760416648
- Philip Bretsky, MD, PHDInternal Medicine Physician1568683076
- James Burrows, M.D.Pulmonary Disease Physician1790872281
Verify Timothy Joseph Hayes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G36996Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average addiction psychiatry physician in 2024
266 Medicare Part D claims for 27 beneficiaries, against an average of 716 among the 421 providers of this specialty who prescribed in Part D.
Most prescribed
- Escitalopram Oxalate60 claims
- Bupropion Xl38 claims
- Quetiapine Fumarate31 claims
- Lamotrigine25 claims
- Modafinil25 claims
- Duloxetine Hcl23 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.
Timothy Joseph Hayes among 73 addiction psychiatry physician records in California
Timothy Joseph Hayes, M.D., M.P.H. is one of 73 addiction psychiatry physician records with a practice address in California. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 96% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 34% of these records are
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0802X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Psychiatry Physician providers in California
There are 73 addiction psychiatry physician records in California.
All 73 in California → Every provider in Santa Monica → Addiction Psychiatry Physician nationwide →
The 8 addiction psychiatry physician records with the nearest ZIP codes
- Eva Altobelli, MDSanta Monica, CA 904041790990620
- William Huang, M.D.Santa Monica, CA 904031295787166
- Evelina WeinsteinSanta Monica, CA 904011891023842
- Wesley Ryan, M.DMarina Del Rey, CA 902921275845901
- Ernani Dangelo, M.D.Downey, CA 902421881723864
- Edward Moore, M.D.Beverly Hills, CA 902101730269945
- Stephen Mohaupt, M.D.Norwalk, CA 906501982792990
- Anton Power, D.O.Los Angeles, CA 900731285175075
Common questions
What is Timothy Joseph Hayes, M.D., M.P.H.'s NPI number?
Timothy Joseph Hayes, M.D., M.P.H.'s National Provider Identifier (NPI) is 1194722264, issued on Jul 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Joseph Hayes, M.D., M.P.H. located?
The NPPES record lists a practice address at 1301 20TH St, Santa Monica, CA, 90404. Phone: (310) 315-0303. Providers update this record themselves, so call before visiting.
How can I verify Timothy Joseph Hayes, M.D., M.P.H.'s license?
NPPES lists California license number G36996, 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 Timothy Joseph Hayes, M.D., M.P.H. prescribe under Medicare Part D?
In 2024, Timothy Joseph Hayes, M.D., M.P.H. had 266 Medicare Part D claims for 27 beneficiaries; the average among addiction psychiatry physician prescribers was 716. 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.