Preston Harrison, M.D.
NPI 1184652141 · Neurology Physician · Tyler, TX
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Preston Harrison, M.D. is a Neurology Physician provider in Tyler, TX (NPI 1184652141).
Provider details
- NPI number
- 1184652141
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D7080 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
997 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 302 | $100 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 154 | $148 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 116 | $33 |
| Complete Ultrasound of Within the Brain Blood Flow93886 | 115 | $40 |
| Measurement of Brain Wave Activity (eeg), Awake and Asleep95819 | 115 | $376 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 288 | 107 |
| Memantine Hcl | 201 | 62 |
| Levetiracetam | 179 | 41 |
| Topiramate | 176 | 38 |
| Gabapentin | 170 | 48 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 98 | 35 |
| Lamotrigine | 84 | 22 |
| Pregabalin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,073 across 138 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-29
- Last updated
- 2023-03-07
Frequently asked questions
- What is Preston Harrison's NPI number?
- Preston Harrison's National Provider Identifier (NPI) is 1184652141, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Preston Harrison's specialty?
- Preston Harrison is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Preston Harrison located?
- Preston Harrison's practice location on file with NPPES is 1301 Doctors Dr, Tyler, TX 75701-2239.
- What is Preston Harrison's phone number?
- The practice phone number listed in the NPPES registry for Preston Harrison is (903) 597-3787.
- Does Preston Harrison accept Medicare?
- Preston Harrison is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Preston Harrison's NPI active?
- Yes — Preston Harrison's NPI (1184652141) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.