Adam Malik, DO
Psychiatry Physician · Ontario, CA
Adam Malik, DO is a psychiatry physician with a practice address in Ontario, California, and NPI 1407434665, issued on Mar 30, 2021. Check the license (California 20A24824, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Adam Malik
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 20A24824 CA
OS023096 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3200 E Guasti RD Ste 100, Ontario, CA 91761
- Phone
- (909) 789-0260
- Enumerated
- Mar 30, 2021
- Record last updated
- Jun 16, 2026
- Fax
- (909) 789-0224
- Medicare enrollment
- Enrolled (PECOS I20251209000476); accepts Medicare assignment
- 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 3200 E Guasti RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Aceil AnkirCounseling Psychologist1578220398
- Amanda AranaMarriage & Family Therapist1033594023
- Emily ArmasBehavior Technician1245907161
- Elizabeth AvilaBehavior Technician1790508281
Verify Adam Malik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A24824Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average psychiatry physician in 2024
254 Medicare Part D claims for 27 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Clonazepam36 claims
- Atomoxetine Hcl18 claims
- Escitalopram Oxalate16 claims
- Oxcarbazepine16 claims
- Venlafaxine Hcl Er16 claims
- Duloxetine Hcl12 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
- Connections Healthva LLCWoodbridge, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adam Malik among 8,673 psychiatry physician records in California
Adam Malik, DO 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 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2021 · median 2005 among the 3,295 with a school on file
- Record last updated2026 · 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 Ontario → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Ansar Malik, MBBSOntario, CA 917611740636703
- Liana Tanase, M.D.Ontario, CA 917621124070560
- Pooja Amin, MDMontclair, CA 917631568081982
- Amanda Degan, DOMontclair, CA 917631629501770
- Gal Andres, MDOntario, CA 917641043779903
- Jacquelyn Dang, D.O.Ontario, CA 917641154778934
- Amit Kapoor, MDOntario, CA 917641194467274
- Derick Ly, D.O., M.S.Ontario, CA 917641962744417
Common questions
What is Adam Malik, DO's NPI number?
Adam Malik, DO's National Provider Identifier (NPI) is 1407434665, issued on Mar 30, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Adam Malik, DO located?
The NPPES record lists a practice address at 3200 E Guasti RD Ste 100, Ontario, CA, 91761. Phone: (909) 789-0260. Providers update this record themselves, so call before visiting.
How can I verify Adam Malik, DO's license?
NPPES lists California license number 20A24824, 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 Adam Malik, DO prescribe under Medicare Part D?
In 2024, Adam Malik, DO had 254 Medicare Part D claims for 27 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.