David W. Trader, M.D.
Geriatric Psychiatry Physician · Los Angeles, CA
David W. Trader, M.D. is a geriatric psychiatry physician with a practice address in Los Angeles, California, and NPI 1093878134, issued on Dec 19, 2006. Check the license (California G48528, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David W. Trader
- Credential
- M.D.
- Primary taxonomy
- Geriatric Psychiatry Physician 2084P0805X
- License number
- G48528 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10850 Wilshire Blvd, Los Angeles, CA 90024
- Phone
- (310) 277-3883
- Enumerated
- Dec 19, 2006
- Record last updated
- Jul 14, 2025
- Fax
- (310) 277-2644
- Medicaid ID
- G048528 CA
- Entity
- Type 1 · individual
8 nearest geriatric psychiatry physician records → All 87 in California → Look up another NPI →
Also registered at 10850 Wilshire Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ali Ghassemi, PSY.D.Clinical Psychologist1942224381
- Wansoon Martin, MDPsychiatry Physician1427178680
- Kirstin Moerk, PH.D.Clinical Psychologist1881886802
Verify David W. Trader in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G48528Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average geriatric psychiatry physician in 2024
682 Medicare Part D claims for 63 beneficiaries, against an average of 1,485 among the 473 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Buspirone Hcl96 claims
- Escitalopram Oxalate66 claims
- Mirtazapine52 claims
- Memantine Hcl37 claims
- Bupropion Xl36 claims
- Venlafaxine Hcl Er35 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.
Industry payments in 2024: $55.29
2 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 200 providers of this specialty with any payment received $2,189.26 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
David W. Trader among 87 geriatric psychiatry physician records in California
David W. Trader, M.D. is one of 87 geriatric psychiatry physician records with a practice address in California. 61% 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, 45% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · 36% of these records are
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0805X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Psychiatry Physician providers in California
There are 87 geriatric psychiatry physician records in California.
All 87 in California → Every provider in Los Angeles → Geriatric Psychiatry Physician nationwide →
The 8 geriatric psychiatry physician records with the nearest ZIP codes
- Kyle Bechaz, M.D.Los Angeles, CA 900241497042287
- Dharitri Mahapatra, M.D.Los Angeles, CA 900241568633170
- Daniel Plotkin, M.D., M.P.H.Los Angeles, CA 900251942332960
- Roderick Shaner, M.D.Los Angeles, CA 900201669560181
- Mafa Kamal, M.D.Los Angeles, CA 900171740293299
- Sarah Kim, MDLos Angeles, CA 900481871989889
- Robert Neshkes, MDLos Angeles, CA 900491306897053
- Barbara Huynh, D.O.Los Angeles, CA 900711407048002
Common questions
What is David W. Trader, M.D.'s NPI number?
David W. Trader, M.D.'s National Provider Identifier (NPI) is 1093878134, issued on Dec 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David W. Trader, M.D. located?
The NPPES record lists a practice address at 10850 Wilshire Blvd, Los Angeles, CA, 90024. Phone: (310) 277-3883. Providers update this record themselves, so call before visiting.
How can I verify David W. Trader, M.D.'s license?
NPPES lists California license number G48528, 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 David W. Trader, M.D. prescribe under Medicare Part D?
In 2024, David W. Trader, M.D. had 682 Medicare Part D claims for 63 beneficiaries; the average among geriatric psychiatry physician prescribers was 1,485. 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.