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Dr. Preston E. Harrison, MD
NPI1184652141PAC ID2466347208
- Medicare services, 2024
- 997
- Medicare patients, 2024
- 344
- Part D claims, 2024
- 3,081
- Publications
- 5
- Hospital affiliations
- 4
- Practice address
- 1301 Doctors Dr, Tyler, TX 75701-2239
- Practice phone
- Call (903) 597-3787
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
East Texas Neurology, LLC
Physician office · Tyler, Texas
Find Dr. Harrison's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Preston E. Harrison is a neurologist in Tyler, Texas
Dr. Harrison practices at East Texas Neurology, LLC in Tyler, Texas.
Dr. Harrison's NPI, 1184652141, was assigned on June 29, 2006. Dr. Harrison graduated from Baylor College Of Medicine in 1970. Dr. Harrison holds Texas license D7080.
NPI and contact details
- NPI
- 1184652141NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466347208
- NPI enumeration date
- June 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (903) 597-3787
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 82
- Medical school graduation
- 1970
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Preston E. Harrison practices at East Texas Neurology, LLC in Tyler, Texas
Dr. Harrison's primary practice is East Texas Neurology, LLC, at 1301 Doctors Dr, Tyler, TX 75701-2239. The practice phone is (903) 597-3787.
- East Texas Neurology, LLC1301 Doctors Dr, Tyler, TX 75701-2239Phone(903) 597-3787
Source: Dmand AI Affiliation Data
Dr. Preston E. Harrison is affiliated with 6 sites of care
Dr. Harrison's primary practice is East Texas Neurology, LLC in Tyler, Texas. Dr. Harrison is also affiliated with CHRISTUS Mother Frances Hospital - Tyler. Dmand AI also links Dr. Harrison to 3 more hospitals and 1 home health agency, each named with a free account.
East Texas Neurology, LLCPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Preston E. Harrison's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harrison practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| East Texas Neurology, LLC | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Harrison practices
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Dr. Preston E. Harrison is one of 1,226 neurologists in Texas
Neurology is Dr. Harrison's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Harrison is board certified in fellow by the American Academy of Neurology. Dmand AI has Dr. Harrison's licenses on file in 2 states: Texas and Colorado.
Specialties and state licenses
- Neurology, TexasPrimary
- Colorado license
Clinical focus
Dmand AI lists acute mini-stroke (TIA), alzheimer's disease, carpal tunnel syndrome, cerebrovascular disease, epilepsy, fibromyalgia and chronic pain, head injury and hereditary polyneuropathy among the conditions Dr. Harrison treats.
Neurologists near Dr. Harrison
Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Preston E. Harrison billed Medicare for 997 services in 2024
CMS data shows 997 Medicare services from Dr. Harrison across 10 procedure codes in 2024, for 344 Medicare patients. Medicare paid $89,876 for them. Every service was in an office.
Medicare services, 2024997
Medicare patients344
Paid by Medicare$89,876
Procedure codes10
Dr. Harrison's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 5342024: 5252%
- Office and hospital visits
- 2023: 4572024: 4723%
Dr. Harrison compared with the Texas median for neurologists, 2024
- Dr. Harrison
- Texas median
- Medicare services
- 997vs 4592.2 times
- Medicare patients
- 344vs 23248% above
- Part D claims
- 2,712vs 4805.7 times
Medians across 1,116 neurologists in Texas with Dmand AI profiles that report each measure.
Dr. Harrison's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Harrison and other neurologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Preston E. Harrison treated 344 Medicare patients in 2024, average age 73
CMS counts 344 Medicare patients who saw Dr. Harrison in 2024. The largest group is 65 to 74, with 151 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Harrison's median patient age at 72, with 57% women.
Medicare patients, 2024344
Average age73
Average risk score1.31
Also on Medicaid10%
Dr. Harrison's Medicare patients by age, 2024
Dr. Harrison's Medicare patients by sex, 2024
- Women18353%
- Men16147%
Chronic conditions among Dr. Harrison's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Stroke or TIA54%
- Mood disorders35%
- Ischemic heart disease34%
- Anxiety32%
- Depression30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Harrison's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Preston E. Harrison wrote 3,081 Medicare Part D claims in 2024
In 2024, Dr. Harrison wrote 3,081 Medicare Part D claims for 494 patients. 88% of them were for generic drugs. CMS names the drug for 2,712 of them, across 58 drugs with 11 or more claims each, at $1,243,908 in total drug cost. In 2023, CMS named 2,839 claims across 62 drugs.
Part D claims, 20243,081
Drugs named by CMS58
Total drug cost$1.2M
Part D patients494
Dr. Harrison's Part D claims by kind of drug, 2024
- Generic2,697 claims88%
- Brand-name354 claims11%
- Other30 claims1%
Dr. Harrison's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Harrison's Part D claims, 2024
- Opioids1%31 of 3,081 claims
- Antipsychotics, patients 65 and over1%26 of 3,081 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,8392024: 2,7124%
Drugs named by CMS: 58 in 2024, 62 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Preston E. Harrison scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Harrison for performance year 2024, reported individually. Dr. Harrison accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Harrison's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 0of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Preston E. Harrison has 5 publications on record
Dmand AI links 5 papers to Dr. Harrison. The most frequent topics are Gene Expression, Genetic Markers and Genome, Human. Dr. Harrison has published most often in Science.
Papers5
Topics Dr. Harrison writes about most
- Gene Expression
- Genetic Markers
- Genome, Human
- Human Genome Project
- Sequence Tagged Sites
Recent publications by Dr. Harrison
J Neurol Neurosurg Psychiatry
Adenosine DiphosphateArachidonic AcidArachidonic Acids
Antibodies, ViralAntigens, ViralAntilymphocyte Serum
Amino Acid SequenceBase SequenceCell Line
Chromosomes, HumanExpressed Sequence TagsGene Expression
See who Dr. Harrison researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Harrison works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Preston E. Harrison received $27,780 in industry payments from 2016 to 2025
CMS Open Payments shows 1,468 general payments to Dr. Harrison from 69 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Neurocrine BioSciences, Inc. paid the most, $2,873.
General payments to Dr. Harrison by program year, 2016 to 2025
General payments to Dr. Harrison by kind, 2016 to 2025
$27.8Kin total
- Food and beverage$26,75996%
- Speaker and faculty fees$5322%
- Education$3381%
- Consulting fees$1501%
Companies that paid Dr. Harrison the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Preston E. Harrison has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Harrison, most recently Best Doctors in America in 2019.
Awards and honors for Dr. Harrison
- 2019
- Best Doctors in America
- Undated
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. Preston E. Harrison graduated from Baylor College Of Medicine
Dr. Harrison graduated from Baylor College Of Medicine in 1970.
- Medical school
- Board certified in fellow
- Board certified in board certified
- Board certified in board certified
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. Preston E. Harrison accepts plans from 9 insurance carriers
Dr. Harrison is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Humana
- Alliant Health Plans
- HCSC
- United Healthcare
- Blue Cross Blue Shield of Arizona
- +1 more carriersWith a free account
Plan types Dr. Harrison accepts, by number of carriers
- PPO8
- HMO6
- Medicare5
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Preston E. Harrison's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Preston E. Harrison
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Preston E. Harrison's NPI number?
Dr. Preston E. Harrison's NPI number is 1184652141. It was assigned on June 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Preston E. Harrison?
Dr. Preston E. Harrison is a neurologist in Tyler, Texas. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Preston E. Harrison practice?
Dr. Harrison practices at 1301 Doctors Dr, Tyler, TX 75701-2239. Dr. Harrison's primary practice is East Texas Neurology, LLC in Tyler, Texas. Dmand AI also links Dr. Harrison to 3 hospitals and 1 home health agency.
What is Dr. Preston E. Harrison's office phone number?
The practice phone on file for Dr. Harrison is (903) 597-3787.
What is Dr. Preston E. Harrison's medical license number?
Dr. Harrison holds Texas license D7080, one of the licenses on file in 2 states.
Which states has Dr. Preston E. Harrison been licensed in?
Dmand AI has state licenses on file for Dr. Harrison in Texas (1970 to 2026) and Colorado (2013 to 2025).
Which hospitals is Dr. Preston E. Harrison affiliated with?
Dr. Harrison is affiliated with CHRISTUS Mother Frances Hospital - Tyler. Dmand AI links Dr. Harrison to 3 more hospitals.
Does Dr. Preston E. Harrison accept Medicare?
Yes. CMS data shows Dr. Harrison billed Medicare for 997 services in 2024, and Dr. Harrison accepts Medicare assignment.
What is Dr. Preston E. Harrison's MIPS score?
Dr. Harrison's MIPS final score for performance year 2024 is 0 out of 100, reported individually.
How many Medicare patients does Dr. Preston E. Harrison see?
CMS counts 344 Medicare patients who saw Dr. Harrison in 2024, with an average age of 73.
Show 8 more questionsShow fewer questions
Is Dr. Preston E. Harrison board certified?
Yes. Dr. Harrison is board certified in fellow by the American Academy of Neurology.
What services does Dr. Preston E. Harrison bill to Medicare?
In 2024, Dr. Harrison's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and blood vessel study (93880).
Where did Dr. Preston E. Harrison go to medical school?
Dr. Harrison graduated from Baylor College Of Medicine in 1970.
What drugs does Dr. Preston E. Harrison prescribe most?
In 2024 Medicare Part D data, Dr. Harrison's most prescribed drugs by claims were Donepezil HCl, Memantine HCl and Levetiracetam.
Has Dr. Preston E. Harrison received payments from drug or device companies?
CMS Open Payments shows $27,780 in general payments to Dr. Harrison from 69 companies from 2016 to 2025. The largest total came from Neurocrine BioSciences, Inc.
How long has Dr. Preston E. Harrison been practicing?
Dr. Harrison graduated from medical school in 1970, 56 years ago.
Does Dr. Preston E. Harrison do research?
Dmand AI links 5 publications to Dr. Harrison.
What insurance does Dr. Preston E. Harrison accept?
Dr. Harrison is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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