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Dr. Lonnie E. Harrison, MD
NPI1003048943PAC ID2163310251
- Medicare services, 2024
- 1,291
- Medicare patients, 2024
- 199
- Part D claims, 2024
- 31
- Clinical trials
- 10
- Hospital affiliations
- 2
- Practice address
- 1001 Schneider Drive, Malvern, AR 72104
- Practice phone
- Call (501) 332-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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. Lonnie E. Harrison is a cardiologist in Malvern, Arkansas
Dr. Harrison practices at Baptist Health Medical Center-Hot Spring County in Malvern, Arkansas, part of Baptist Health.
Dr. Harrison's NPI, 1003048943, was assigned on August 11, 2009. Dr. Harrison graduated from University of Arkansas College of Medicine in 1988. Dr. Harrison holds Arkansas license C7481.
NPI and contact details
- NPI
- 1003048943NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163310251
- NPI enumeration date
- August 11, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (501) 332-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lonnie E. Harrison practices at Baptist Health Medical Center-Hot Spring County in Malvern, Arkansas
Dr. Harrison's primary practice is Baptist Health Medical Center-Hot Spring County, at 1001 Schneider Drive, Malvern, AR 72104 in Hot Spring County. The practice phone is (501) 332-1000.
- Baptist Health Medical Center-Hot Spring County1001 Schneider Drive, Malvern, AR 72104 · Hot Spring CountyPhone(501) 332-1000
Source: Dmand AI Affiliation Data
Dr. Lonnie E. Harrison is affiliated with 5 sites of care and 3 medical groups
Dr. Harrison's primary practice is Baptist Health Medical Center-Hot Spring County in Malvern, Arkansas, part of Baptist Health. Dr. Harrison is also affiliated with Saline Memorial Hospital. The medical group on file is South Arkansas Cardiology (SARC). Dmand AI also links Dr. Harrison to 2 more group practices and clinics, 2 medical groups and 1 therapy and rehab clinic, each named with a free account.
Saline Memorial HospitalSouth Arkansas Cardiology (SARC)2 group practices and clinicsNames with a free account2 medical groupsNames with a free account1 therapy and rehab clinicName with a free account
See all 8 affiliations for Dr. HarrisonSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lonnie E. Harrison's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harrison practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baptist Health Medical Center-Hot Spring County | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lonnie E. Harrison is one of 126 cardiologists in Arkansas
Cardiovascular disease is Dr. Harrison's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Harrison is licensed in Arkansas.
Specialties and state licenses
- Cardiovascular disease, ArkansasPrimary
Cardiologists near Dr. Harrison
Counts of cardiologists 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. Lonnie E. Harrison billed Medicare for 1,291 services in 2024
CMS data shows 1,291 Medicare services from Dr. Harrison across 8 procedure codes in 2024, for 199 Medicare patients. Medicare paid $452,558 for them. Every service was in an office.
Medicare services, 20241,291
Medicare patients199
Paid by Medicare$452,558
Procedure codes8
Dr. Harrison's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 6562024: 6028%
- Surgery
- 2023: 4682024: 4416%
- Office and hospital visits
- 2023: 3092024: 24820%
Dr. Harrison compared with the Arkansas median for cardiologists, 2024
- Dr. Harrison
- Arkansas median
- Medicare services
- 1,291vs 3,18259% below
- Medicare patients
- 199vs 1,20183% below
- Part D claims
- 12vs 3,980100% below
Medians across 128 cardiologists in Arkansas 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 cardiologists in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lonnie E. Harrison treated 199 Medicare patients in 2024, average age 73
CMS counts 199 Medicare patients who saw Dr. Harrison in 2024. The largest group is 65 to 74, with 85 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.37, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Harrison's median patient age at 70, with 55% women.
Medicare patients, 2024199
Average age73
Average risk score1.37
Also on Medicaid10%
Dr. Harrison's Medicare patients by age, 2024
Dr. Harrison's Medicare patients by sex, 2024
- Women12663%
- Men7337%
Chronic conditions among Dr. Harrison's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis55%
- Ischemic heart disease38%
- Diabetes34%
- Anxiety27%
- Mood disorders27%
- Depression25%
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 70
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lonnie E. Harrison wrote 31 Medicare Part D claims in 2024
In 2024, Dr. Harrison wrote 31 Medicare Part D claims for 13 patients. 52% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $8,608 in total drug cost. In 2023, CMS named 108 claims across 5 drugs.
Part D claims, 202431
Drugs named by CMS1
Total drug cost$8,608
Part D patients13
Dr. Harrison's Part D claims by kind of drug, 2024
- Generic16 claims52%
- Brand-name15 claims48%
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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1082024: 1289%
Drugs named by CMS: 1 in 2024, 5 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. Lonnie E. Harrison ranks in the 99th percentile for varicose vein removal in Medicare
Dr. Harrison accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 849 procedures of varicose vein removal by Dr. Harrison, more than 99% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Harrison ranks in Medicare procedure volume
- Varicose vein removal
- 99th percentile849 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Lonnie E. Harrison has worked on 10 clinical trials
Dmand AI links Dr. Harrison to 10 clinical trials, 4 of them phase 2 studies. 9 are still active or recruiting. Conditions studied include Adenocarcinoma of Lung, Biliary Atresia and Low Back Pain.
Clinical trials with Dr. Harrison by phase
- NonePhase 1: no trials
- 4Phase 2: 4 trials
- 1Phase 2/3: 1 trial
- NonePhase 3: no trials
- NonePhase 4: no trials
Trials with no phase (devices, behavioral studies) are left out.
Conditions in Dr. Harrison's trials
- Adenocarcinoma of Lung
- Biliary Atresia
- Low Back Pain
- Malocclusion
- Muscular Atrophy
Investigators on the most trials with Dr. Harrison
- Kader Tawfiq Abdelerahman, MD10 shared trials
- Randa Abdelmasih, MD10 shared trials
- Marjorie E. Affel, MD10 shared trials
Recent clinical trials with Dr. Harrison
Adenocarcinoma of LungAdenocarcinoma
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lonnie E. Harrison received $3,493 in industry payments from 2016 to 2025
CMS Open Payments shows 143 general payments to Dr. Harrison from 29 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 74% of the total. Cardiovascular Systems Inc. paid the most, $1,532.
General payments to Dr. Harrison by program year, 2016 to 2025
General payments to Dr. Harrison by kind, 2016 to 2025
$3.5Kin total
- Food and beverage$2,59274%
- Travel and lodging$82124%
- Gifts$742%
- Education$60%
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. Lonnie E. Harrison graduated from University of Arkansas College of Medicine
Dr. Harrison graduated from University of Arkansas College of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lonnie 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 DataDmand AI Org Hierarchy 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Lonnie 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. Lonnie E. Harrison's NPI number?
Dr. Lonnie E. Harrison's NPI number is 1003048943. It was assigned on August 11, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Lonnie E. Harrison?
Dr. Lonnie E. Harrison is a cardiologist in Malvern, Arkansas. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Lonnie E. Harrison practice?
Dr. Harrison practices at 1001 Schneider Drive, Malvern, AR 72104. Dr. Harrison's primary practice is Baptist Health Medical Center-Hot Spring County in Malvern, Arkansas, part of Baptist Health. Dmand AI also links Dr. Harrison to 2 group practices and clinics, 2 medical groups and 1 therapy and rehab clinic.
What is Dr. Lonnie E. Harrison's office phone number?
The practice phone on file for Dr. Harrison is (501) 332-1000.
What is Dr. Lonnie E. Harrison's medical license number?
Dr. Harrison holds Arkansas license C7481.
Which hospitals is Dr. Lonnie E. Harrison affiliated with?
Dr. Harrison practices at Baptist Health Medical Center-Hot Spring County in Malvern, Arkansas. Dr. Harrison is also affiliated with Saline Memorial Hospital.
What medical group is Dr. Lonnie E. Harrison part of?
Dr. Harrison is linked to South Arkansas Cardiology (SARC). Dmand AI links Dr. Harrison to 2 more medical groups.
Does Dr. Lonnie E. Harrison accept Medicare?
Yes. CMS data shows Dr. Harrison billed Medicare for 1,291 services in 2024, and Dr. Harrison accepts Medicare assignment.
How many Medicare patients does Dr. Lonnie E. Harrison see?
CMS counts 199 Medicare patients who saw Dr. Harrison in 2024, with an average age of 73.
What services does Dr. Lonnie E. Harrison bill to Medicare?
In 2024, Dr. Harrison's most billed Medicare services were surgery: heart and blood vessels (36465), blood vessel study (93971) and blood vessel study (93970).
Show 5 more questionsShow fewer questions
Where did Dr. Lonnie E. Harrison go to medical school?
Dr. Harrison graduated from University of Arkansas College of Medicine in 1988.
What drugs does Dr. Lonnie E. Harrison prescribe most?
In 2024 Medicare Part D data, Dr. Harrison's most prescribed drugs by claims were Xarelto.
Has Dr. Lonnie E. Harrison received payments from drug or device companies?
CMS Open Payments shows $3,493 in general payments to Dr. Harrison from 29 companies from 2016 to 2025. The largest total came from Cardiovascular Systems Inc.
How long has Dr. Lonnie E. Harrison been practicing?
Dr. Harrison graduated from medical school in 1988, 38 years ago.
Does Dr. Lonnie E. Harrison do research?
Dr. Harrison has worked on 10 clinical trials.
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