Physician Profile
David A. Merrill, MD
Unclaimed ProfileAbout Dr. Merrill
Based in Los Angeles, CA, David A. Merrill, MD is listed in the NPI registry under psychiatry. David graduated from University of California, San Diego School of Medicine in 2004. According to Medicare claims data, David cared for 938 Medicare patients across 3,245 services. The services billed most often include psychotherapy with evaluation and management visit, 30 minutes, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and psychiatric services complicated by communication factor.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (310) 825-9989
- Email not available
Practice Locations
300 UCLA MEDICAL PLZ STE 2200
Los Angeles, CA 90095
Conditions Commonly Evaluated or Treated
Within Psychiatry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
Substance-related and addictive
Addiction & Substance Use
Cognitive and adjustment
Eating Disorders
Eating, sleep, and somatic
Mood & Depression
Neurodevelopmental and behavioral
Personality and dissociative
Sleep & Wakefulness
Procedures & services
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
Assessment
Addiction care
Addiction Medicine
Assessments
Brain stimulation
Consultations
Diagnostics
Inpatient care
Interventional psychiatry
Psychotherapy
Sleep Medicine
Specialized care
Therapy
Therapy and care
Procedures Most Often Billed to Medicare
3,245 services · 938 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
1,000 |
| Psychiatric services complicated by communication factor | Treatment | 90785 |
370 |
| Treatment using magnetic field to stimulate nerve cells in brain, subsequent delivery and management | Treatment | 90868 |
343 |
| Psychotherapy with evaluation and management visit, 45 minutes | Treatment | 90836 |
57 |
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
36 |
| Administration of psychological or neuropsychological test by technician, first 30 minutes | Treatment | 96138 |
14 |
| Measurement of brain wave activity (eeg), awake and drowsy | Treatment | 95816 |
12 |
| Measurement of nerve conduction using visual stimulation testing with report | Treatment | 95930 |
11 |
| Treatment using magnetic field to stimulate nerve cells in brain, initial delivery and management | Treatment | 90867 |
11 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
802 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other psychiatrists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other psychiatrists in Los Angeles 8
Same specialty, same city.
Trained at University of California, San Diego School of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 2004 at University of California, San Diego School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy with evaluation and management visit, 30 minutes 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Merrill specialize in?
Dr. Merrill is a psychiatrist in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where is Dr. Merrill located?
Dr. Merrill is listed at 300 UCLA Medical Plz Ste 2200, Los Angeles, CA 90095. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Merrill's phone number?
The number on file is (310) 825-9989. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Merrill's NPI number?
Dr. Merrill's National Provider Identifier is 1902923410. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Merrill go to medical school?
Dr. Merrill attended University of California, San Diego School of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Merrill been practicing?
Dr. Merrill has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Merrill do most often?
According to Medicare billing data, Dr. Merrill provides treatments such as psychotherapy with evaluation and management visit, 30 minutes and psychiatric services complicated by communication factor, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Merrill confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Merrill. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.