Physician Profile
Collins Liu, MD practices neurology / psychiatry in San Diego, CA. Collins is a 2008 graduate of New York Medical College. Medicare claims data shows Collins provided 903 services to 518 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
11120 E OCEAN AIR DR STE 101-88
San Diego, CA 92130
1520 San Pablo St Ste 3000
Los Angeles, CA 90033
255 N Elm St Ste 205
Escondido, CA 92025
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.
Addiction
Attention & Behavior
Autoimmune & Chronic
Balance & Nerves
Brain & Head Injury
Fatigue & Energy
Headache & Pain
Memory & Aging
Memory & Thinking
Mental Health
Mood & Anxiety
Mood & Emotion
Movement & Balance
Movement Disorders
Nerve & Spine
Nerve Pain
Nerves & Sensation
Neuromuscular
Psychosis & Thought
Seizures
Sleep
Sleep Disorders
Vascular & Brain
Vascular Brain Health
Addiction Care
Brain Monitoring
Brain Stimulation
Brain Stimulation & Infusions
Consultations
Depression Treatments
Device Management
Diagnostic Procedures
Diagnostics
General Neurology
Injections & Procedures
Medications
Movement & Balance
Movement & Nerve
Nerve & Muscle Testing
Pain & Spasticity
Pain Management
Psychiatry
Sleep Care
Sleep Studies
Testing & Assessment
Therapy
903 services · 518 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Exam of neurobehavioral status, first hour | Treatment | 96116 |
60 | Too few peers to compare |
| Evaluation of neuropsychological test, first hour | Treatment | 96132 |
39 | Too few peers to compare |
| Administration of psychological or neuropsychological test, first 30 minutes | Treatment | 96136 |
24 | Too few peers to compare |
| Exam of neurobehavioral status, each additional hour | Treatment | 96121 |
16 | Too few peers to compare |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
276 | More than most peers in Neurology / Psychiatry |
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Billing code | G2212 |
213 | More than most peers in Neurology / Psychiatry |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
82 | More often than most peers in Neurology / Psychiatry |
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Billing code | G2212 |
52 | More than most peers in Neurology / Psychiatry |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
37 | More often than most peers in Neurology / Psychiatry |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
31 | More than most peers in Neurology / Psychiatry |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Liu is a neurology / psychiatry in San Diego, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Liu is listed at 11120 E Ocean Air Dr Ste 101-88, San Diego, CA 92130. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (619) 630-8676. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Liu's National Provider Identifier is 1851547459. 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
Dr. Liu attended New York Medical College, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
Dr. Liu has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Liu provides treatments such as exam of neurobehavioral status, first hour and evaluation of neuropsychological test, first hour, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Liu. 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.