Physician Profile
Based in Tyler, TX, Preston E. Harrison, M.D. is listed in the NPI registry under neurology. Preston graduated from Baylor College of Medicine in 1970. Medicare claims data shows Preston provided 997 services to 885 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and ultrasound of both sides of head and neck blood flow.
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.
1301 DOCTORS DR
Tyler, TX 75701
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
997 services · 885 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
116 | More often than most peers in Neurology |
| Measurement of brain wave activity (eeg), awake and asleep | Treatment | 95819 |
115 | More often than most peers in Neurology |
| Complete ultrasound of within the brain blood flow | Treatment | 93886 |
115 | More often than most peers in Neurology |
| Needle measurement of electrical activity in arm or leg muscles, complete study | Treatment | 95886 |
70 | As often as other peers in Neurology |
| Ultrasound of within the brain blood flow for blood clots | Treatment | 93892 |
56 | As often as other peers in Neurology |
| Nerve conduction, 9-10 studies | Treatment | 95911 |
35 | More often than most peers in Neurology |
| Ultrasound of within the brain blood flow following medication | Treatment | 93890 |
18 | Less often than most peers in Neurology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
302 | More often than most peers in Neurology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
154 | More than most peers in Neurology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
16 | Less often than most peers in Neurology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Preston E. Harrison is a neurologist in Tyler, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
Preston E. Harrison is listed at 1301 Doctors Dr, Tyler, TX 75701. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (903) 597-3787. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Preston E. Harrison's National Provider Identifier is 1184652141. 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
Preston E. Harrison attended Baylor College of Medicine, graduating in 1970. This comes from the CMS National Downloadable File.
CMS public data
Preston E. Harrison has 56 years experience. Calculated from a graduation year of 1970, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Preston E. Harrison provides treatments such as ultrasound of both sides of head and neck blood flow and measurement of brain wave activity , awake and asleep, 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 Preston E. Harrison. 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.