Physician Profile
Gadson J. Johnson, M.D.
Unclaimed ProfileAbout Dr. Johnson
Based in Santa Monica, CA, Gadson J. Johnson, M.D. is listed in the NPI registry under psychiatry. Gadson graduated from Un of California, Irvine, College of Medicine in 2005. According to Medicare claims data, Gadson cared for 3,350 Medicare patients across 15,374 services.
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) 993-4103
- Email not available
Practice Locations
701 SANTA MONICA BLVD SUITE 230
Santa Monica, CA 90401
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
- ADHD
- Anxiety
- Bipolar disorder
- Depression
- Schizophrenia
- Trauma
Anxiety, trauma, and obsessive-compulsive
- Agoraphobia
- OCD
- Panic disorder
- Social anxiety disorder
- Specific phobias
Mood disorders
- Premenstrual dysphoric disorder
- Seasonal affective disorder
Psychotic disorders
- Schizoaffective disorder
Substance-related and addictive
- Alcohol use disorder
- Opioid use disorder
Addiction & Substance Use
- Drug addiction
- Gambling Addiction
Cognitive and adjustment
- Dementia with behavioral symptoms
- Prolonged grief disorder
Eating Disorders
- Binge eating
- Eating disorders
Eating, sleep, and somatic
- Illness anxiety disorder
Mood & Depression
- Postpartum depression
Neurodevelopmental and behavioral
- Autism
- Oppositional defiant disorder
Personality and dissociative
- Borderline personality disorder
- Dissociative disorders
- Narcissistic personality disorder
Sleep & Wakefulness
Procedures & services
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
Assessment
- Suicide and safety risk assessment
Addiction care
- Addiction counseling
Addiction Medicine
- Alcohol Detox and Withdrawal Management
- Dual Diagnosis Treatment
- Suboxone Treatment and MAT
Assessments
- Adult ADHD Testing
- Autism testing
- Cognitive Assessment
Brain stimulation
- Neurofeedback
- Vagus Nerve Stimulation
Consultations
- Psychiatric Second Opinion
Diagnostics
- Neuropsychological Testing
- Psychiatric Genetic Testing
Inpatient care
- Inpatient Psychiatric Care
Interventional psychiatry
- Spravato Treatment
Psychotherapy
- Anger Management Counseling
- Couples counseling
- EMDR Therapy
- Exposure and Response Prevention
Sleep Medicine
- Sleep counseling
Specialized care
Therapy
- Acceptance and commitment therapy
- Dialectical Behavior Therapy
- Somatic experiencing
Therapy and care
- Family therapy
- Group psychotherapy
- Supportive psychotherapy
Procedures Most Often Billed to Medicare
15,374 services · 3,350 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
3,224 |
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
851 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
9,510 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
1,054 |
| Hospital discharge day management, 30 minutes or less | Office visit | 99238 |
374 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
233 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
71 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
57 |
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 psychiatry specialists at this location 1
Same specialty, same street address — most likely the same department or group.
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.
Other psychiatry specialists in Santa Monica 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Un of California, Irvine, College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Un of California, Irvine, College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy with evaluation and management visit, 30 minutes 7
Providers in CA who bill this service to Medicare most often.
Common questions
What is Gadson J. Johnson's specialty?
Gadson J. Johnson is a psychiatry in Santa Monica, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Gadson J. Johnson?
Gadson J. Johnson is listed at 701 Santa Monica Blvd Suite 230, Santa Monica, CA 90401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Gadson J. Johnson?
The number on file is (310) 993-4103. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Gadson J. Johnson's NPI number?
Gadson J. Johnson's National Provider Identifier is 1578767232. 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
What is Gadson J. Johnson's education?
Gadson J. Johnson attended Un of California, Irvine, College of Medicine, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Gadson J. Johnson been practicing?
Gadson J. Johnson has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What is Gadson J. Johnson known for?
According to Medicare billing data, Gadson J. Johnson provides treatments such as psychotherapy with evaluation and management visit, 30 minutes and psychiatric diagnostic evaluation with medical services, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Gadson J. Johnson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gadson J. Johnson. 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.