Are you Gadson J. Johnson, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 701 Santa Monica Blvd, Suite 230, Santa Monica, CA 90401
About 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. The services billed most often include subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes, psychotherapy with evaluation and management visit, 30 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. NPI 1578767232 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
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
Cognitive and adjustment
Eating, sleep, and somatic
Geriatric care
Mental Health
Neurodevelopmental and behavioral
Most searched conditions
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
Substance-related and addictive
Addiction & Substance Use
Eating Disorders
Mood & Depression
Personality and dissociative
Sleep & Wakefulness
Procedures & services
Advanced treatment
Assessment
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
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
15,374 services · 3,350 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
3,224 | More than most peers in Psychiatry |
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
851 | More than most peers in Psychiatry |
| 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 | More than most peers in Psychiatry |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
1,054 | More than most peers in Psychiatry |
| Hospital discharge day management, 30 minutes or less | Office visit | 99238 |
374 | More than most peers in Psychiatry |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
233 | More than most peers in Psychiatry |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
71 | More often than most peers in Psychiatry |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
57 | As often as other peers in Psychiatry |
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 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 32 related providers in 4 groups
Other psychiatrists in Santa Monica 8
Same specialty, same city.
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 8
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 psychiatrist in Santa Monica, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
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. Contact the office directly to confirm availability and scheduling.
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.
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