Tim Alder, M.D.
Psychiatry Physician · Patton, CA
Tim Alder, M.D. is a psychiatry physician with a practice address in Patton, California, and NPI 1619929023, issued on May 16, 2006. Check the license (California G54361, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Tim Alder
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G54361 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3102 E. Highland Avenue, Patton, CA 92369
- Phone
- (909) 425-7679
- Enumerated
- May 16, 2006
- Record last updated
- Aug 8, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (909) 425-6635
- Entity
- Type 1 · individual
Also registered at 3102 E. Highland Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Luminita Andronescu, M.D.Specialist1699856864
- Ai Li Arias, M.D.Psychiatry Physician1134171598
- Maurizio Assandri, PH.D.Psychologist1790807402
- Jasdeep Aulakh, M.D.Geriatric Psychiatry Physician1932153616
- Tamseela Awan, M.D.Internal Medicine Physician1720059413
- Shirley Ayon, LCSWClinical Social Worker1760931786
Verify Tim Alder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G54361Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79 psychiatry physician records list a practice address in Patton
They are 79 of the 339 NPPES records with a practice address in Patton, and 8,673 psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 79 in Patton → All 8,673 in California → Every provider in Patton →
Other psychiatry physician records in California
- Nancy Aaen, MDNapa, CA1609816669
- Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
- Mekabiz Abaian, MDSan Bernardino, CA1891090163
- Brenda Abarca, MDTorrance, CA1407485527
- Pilar Abascal, M.D.Los Angeles, CA1730528191
- Michele Abbasi, M.D.Westlake Village, CA1093940330
- Zohaib AbbasiMartinez, CA1013392224
- Sandy Abdelkedous, MDFresno, CA1306093109
- Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
- Ezzat Abdelmalek, M.DDana Point, CA1992828826
Common questions
What is Tim Alder, M.D.'s NPI number?
Tim Alder, M.D.'s National Provider Identifier (NPI) is 1619929023, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tim Alder, M.D. located?
The NPPES record lists a practice address at 3102 E. Highland Avenue, Patton, CA, 92369. Phone: (909) 425-7679. Providers update this record themselves, so call before visiting.
How can I verify Tim Alder, M.D.'s license?
NPPES lists California license number G54361, 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.
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.