Physician Profile
Philip Y. Sun, MD
Unclaimed ProfileAbout Dr. Sun
Philip Y. Sun, MD practices neurology / psychiatry in Saint Louis, MO. Philip is a 2017 graduate of Mayo Medical School. Philip is also listed as specializing in neurology and vascular neurology. According to Medicare claims data, Philip cared for 64 Medicare patients across 128 services. The services billed most often include critical care, first 30-74 minutes and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes.
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
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (213) 605-5839
- Email not available
Practice Locations
1201 S GRAND BLVD
Saint Louis, MO 63104
751 N Rutledge St
Springfield, IL 62702
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
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
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
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
128 services · 64 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
71 | 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 |
57 | More 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.
Other neurology / psychiatry specialists in Saint Louis 8
Same specialty, same city.
Trained at Mayo Medical School 1
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2017 at Mayo Medical School 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Sun specialize in?
Dr. Sun is a neurology / psychiatry in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Sun located?
Dr. Sun is listed at 1201 S Grand Blvd, Saint Louis, MO 63104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Sun's phone number?
The number on file is (213) 605-5839. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Sun's NPI number?
Dr. Sun's National Provider Identifier is 1457883472. 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. Sun go to medical school?
Dr. Sun attended Mayo Medical School, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Sun been practicing?
Dr. Sun has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Sun do most often?
According to Medicare billing data, Dr. Sun 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 Dr. Sun confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sun. 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.