Physician Profile
Andrea H. An, MD is a healthcare provider in Chandler, AZ specializing in neurology. Andrea trained at New York Medical College, graduating in 2000. According to Medicare claims data, Andrea cared for 1,818 Medicare patients across 5,228 services. The services billed most often include injection, gadoterate meglumine, 0.1 ml, evaluation of neuropsychological test, each additional hour, 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.
2201 W FAIRVIEW ST SUITE 1
Chandler, AZ 85224
Within Neurology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Headache and facial pain
Memory and cognition
Movement disorders
Neuromuscular and peripheral nerve
Seizures and epilepsy
Stroke and vascular
Brain & Spine
Brain tumors
Head & Facial Pain
Memory & Cognitive
Movement Disorders
Nerve Compression
Sleep & Movement
Spine and nerve
Spine, brain injury, and functional
Most searched procedures
Consultation and testing
Consultations & Exams
Consultations and exams
Device management
Diagnostic Testing
Infusion and medical therapies
Infusions & Therapies
Injections & Pain Relief
Medication Management
Neuromodulation
Office procedures
Trauma & Injury
5,228 services · 1,818 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Punch biopsy, each additional skin growth | Procedure | 11105 |
47 | More often than most peers in Neurology |
| Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face | Procedure | 64615 |
25 | Less often than most peers in Neurology |
| Punch biopsy, first skin growth | Procedure | 11104 |
25 | More often than most peers in Neurology |
| 3d radiographic procedure with computerized image postprocessing | Imaging | 76377 |
145 | More than most peers in Neurology |
| Mri scan of brain without contrast | Imaging | 70551 |
80 | More often than most peers in Neurology |
| Mri scan of blood vessels of head without contrast | Imaging | 70544 |
19 | As often as other peers in Neurology |
| Evaluation of neuropsychological test, each additional hour | Treatment | 96133 |
960 | More than most peers in Neurology |
| Needle measurement of electrical activity in arm or leg muscles, complete study | Treatment | 95886 |
259 | More often than most peers in Neurology |
| Evaluation of neuropsychological test, first hour | Treatment | 96132 |
140 | More often than most peers in Neurology |
| Measurement of brain wave activity (eeg), awake and asleep | Treatment | 95819 |
88 | More often than most peers in Neurology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. An is a neurologist in Chandler, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
Dr. An is listed at 2201 W Fairview St Suite 1, Chandler, AZ 85224. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (480) 800-4890. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. An's National Provider Identifier is 1609826510. 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. An attended New York Medical College, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
Dr. An has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. An performs procedures including punch biopsy, each additional skin growth, injection of chemical for paralysis of facial and neck nerve muscles on both sides of face and punch biopsy, first skin growth; reads or performs imaging such as 3d radiographic procedure with computerized image postprocessing and mri scan of brain without contrast; provides treatments such as evaluation of neuropsychological test, each additional hour and needle measurement of electrical activity in arm or leg muscles, complete study, 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. An. 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.