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- 17360 Brookhurst St., Fountain Valley, CA 92708
About Dr. Groysman
Based in Fountain Valley, CA, Leonid I. Groysman, MD is listed in the NPI registry under neurology / psychiatry. Leonid is also listed as specializing in neurology and psychiatry. Medicare claims data shows Leonid provided 359 services to 236 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, critical care, first 30-74 minutes, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. NPI 1104076785 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
- (877) 844-0012
- Email not available
Practice Locations
17360 BROOKHURST ST.
Fountain Valley, CA 92708
Conditions Commonly Evaluated or Treated
Within Neurology and 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
Addiction
Attention & Behavior
Autoimmune & Chronic
Balance & Nerves
Brain & Head Injury
Fatigue & Energy
Headache & Pain
Memory & Aging
Memory & Thinking
- Brain Fog
- Memory loss
Mental Health
- Borderline personality disorder
- Eating disorders
- Hearing Voices and Hallucinations
Mood & Anxiety
- Postpartum depression
- PTSD (Post-Traumatic Stress Disorder)
Mood & Emotion
Movement & Balance
- Walking Problems
Movement Disorders
- Essential tremor
- Involuntary Twitches from Meds
- Muscle Spasms & Twitches
- Parkinson's disease
- Tourette syndrome
Nerve & Spine
Nerve Pain
Nerves & Sensation
Neuromuscular
Psychosis & Thought
Seizures
- Adult Epilepsy and Seizures
- Seizure in Child
Sleep
Sleep Disorders
Vascular & Brain
Vascular Brain Health
Procedures & services
Addiction Care
- Alcohol Detox and Withdrawal Management
Brain Monitoring
- EEG
- Seizure Monitoring Stay
Brain Stimulation
- Neurofeedback
- Transcranial magnetic stimulation
Brain Stimulation & Infusions
- IV Migraine Rescue Infusion
- Ketamine Treatment For Depression
Consultations
- Brain MRI Review
- Dementia Care Planning Consultation
- Neurology Second Opinion
Depression Treatments
- Spravato Treatment
Device Management
- Deep brain stimulation programming
- Vagus nerve stimulation management
Diagnostic Procedures
- Lumbar puncture
- Visual Evoked Potential Test
- VNG Eye Movement Balance Test
Diagnostics
- Ambulatory Home EEG Monitoring
- Brain PET Scan
- Cognitive impairment screening
- Genetic Testing for Neurological Diseases
- Nerve-conduction studies
General Neurology
- Comprehensive Neurological Examination
Injections & Procedures
Medications
- Mood Stabilizer Management
- Psychiatric Medication Management
- Sleep Medication Management
- Suboxone Treatment and MAT
Movement & Balance
- Fall Prevention and Gait Assessment
Movement & Nerve
Nerve & Muscle Testing
- Carpal Tunnel Nerve Test
- EMG
- Tilt Table Test
Pain & Spasticity
Pain Management
- Sciatic Nerve Block
Psychiatry
- Online Psychiatrist Visit
- Psychiatric Crisis Evaluation
- Psychiatric Medication Tapering and Weaning
Sleep Care
- CPAP Titration and Mask Fitting
- Sleep Apnea Mouth Guard Fitting
Sleep Studies
Testing & Assessment
- ADHD Testing
- Autism Testing For Adults
- Concussion Evaluation and Baseline Testing
- DNA drug response testing
- Neuropsychological Testing
- Psychiatric evaluation
- Tremor Analysis & Workup
Therapy
- Cognitive Behavioral Therapy (CBT)
- Dialectical behavior therapy (DBT)
- EMDR Therapy
- Exposure and Response Prevention
Procedures Most Often Billed to Medicare
359 services · 236 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Measurement of brain wave activity (eeg), awake and drowsy | Treatment | 95816 |
13 | Less often than most peers in Neurology / Psychiatry |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
104 | More often than most peers in Neurology / Psychiatry |
| Critical care, first 30-74 minutes | Office visit | 99291 |
95 | As often as other peers in Neurology / Psychiatry |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
47 | More often than most peers in Neurology / 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 |
31 | As often as other peers in Neurology / Psychiatry |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
27 | As often as other peers in Neurology / Psychiatry |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
24 | Less often than most peers in Neurology / Psychiatry |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
18 | As often as other peers in Neurology / 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.
Related specialists at this location 1
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.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1995 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Measurement of brain wave activity (eeg), awake and drowsy 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Groysman's specialty?
Dr. Groysman is a neurology / psychiatry in Fountain Valley, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Groysman?
Dr. Groysman is listed at 17360 Brookhurst St., Fountain Valley, CA 92708. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Groysman?
The number on file is (877) 844-0012. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Groysman?
Dr. Groysman's National Provider Identifier is 1104076785. 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 Dr. Groysman's medical education?
Dr. Groysman attended Other, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Groysman have?
Dr. Groysman has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Groysman known for?
According to Medicare billing data, Dr. Groysman provides treatments such as measurement of brain wave activity , awake and drowsy, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Groysman's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Groysman. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.