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Edit this profileAt a glance
- Westchester Medical Center Advanced Physician Services, 100 Woods Road, Valhalla, NY 10595
About Dr. Mayer
Stephan A. Mayer, M.D. is a healthcare provider in Valhalla, NY specializing in neurology / psychiatry. Stephan trained at Js Weill Medical College, Cornell University, graduating in 1988. According to Medicare claims data, Stephan cared for 154 Medicare patients across 326 services. The services billed most often include critical care, first 30-74 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and critical care, each additional 30 minutes. This provider record is associated with NPI 1538258538.
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
- (914) 493-5098
- Email not available
Practice Locations
WESTCHESTER MEDICAL CENTER ADVANCED PHYSICIAN SERVICES 100 WOODS ROAD
Valhalla, NY 10595
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
- Dizziness and vertigo
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
- Bell's palsy
- Carpal tunnel
- Numbness & Tingling
- Peripheral neuropathy
- Pinched nerve
Neuromuscular
Psychosis & Thought
Seizures
- Adult Epilepsy and Seizures
- Seizure in Child
Sleep
Sleep Disorders
Vascular & Brain
Vascular Brain Health
Procedures & services
Addiction Care
Brain Monitoring
- EEG
- Seizure Monitoring Stay
Brain 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
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
- Botox for migraines
- Botox for muscle spasms
- Occipital nerve block
- Trigger Point Injections
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
326 services · 154 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
261 | More 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 |
42 | As often as other peers in Neurology / Psychiatry |
| Critical care, each additional 30 minutes | Office visit | 99292 |
23 | Less often than most 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.
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 Js Weill Medical College, Cornell University 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1988 at Js Weill Medical College, Cornell University 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Stephan A. Mayer's specialty?
Stephan A. Mayer is a neurology / psychiatry in Valhalla, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Stephan A. Mayer?
Stephan A. Mayer is listed at Westchester Medical Center Advanced Physician Services 100 Woods Road, Valhalla, NY 10595. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Stephan A. Mayer?
The number on file is (914) 493-5098. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Stephan A. Mayer's NPI number?
Stephan A. Mayer's National Provider Identifier is 1538258538. 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 Stephan A. Mayer's education?
Stephan A. Mayer attended Js Weill Medical College, Cornell University, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How long has Stephan A. Mayer been practicing?
Stephan A. Mayer has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What is Stephan A. Mayer known for?
According to Medicare billing data, Stephan A. Mayer the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Stephan A. Mayer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Stephan A. Mayer. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.