Dr. Leonidas N. Vieron, MD
- Medicare services, 2024
- 1,094
- Medicare patients, 2024
- 272
- Part D claims, 2024
- 377
- Hospital affiliations
- 1
- Industry payments
- $1,027
- Practice address
- 6019 Walnut Grove Road, Memphis, TN 38120
- Practice phone
- Call (901) 226-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Vieron'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. Leonidas N. Vieron is an internist in Memphis, Tennessee
Dr. Vieron practices at Baptist Memorial Hospital-Memphis in Memphis, Tennessee, part of Baptist Memorial Health Care.
Dr. Vieron's NPI, 1245387737, was assigned on January 5, 2007. Dr. Vieron graduated from University of Tennessee, Hsc, College of Medicine in 1975. Dr. Vieron holds Tennessee license 9440.
- NPI
- 1245387737NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042376691
- NPI enumeration date
- January 5, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (901) 226-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leonidas N. Vieron practices at Baptist Memorial Hospital-Memphis in Memphis, Tennessee
Dr. Vieron's primary practice is Baptist Memorial Hospital-Memphis, at 6019 Walnut Grove Road, Memphis, TN 38120 in Shelby County. The practice phone is (901) 226-5000.
- Baptist Memorial Hospital-Memphis6019 Walnut Grove Road, Memphis, TN 38120 · Shelby CountyPhone(901) 226-5000
Source: Dmand AI Affiliation Data
Dr. Leonidas N. Vieron is affiliated with 2 sites of care and 2 medical groups
Dr. Vieron's primary practice is Baptist Memorial Hospital-Memphis in Memphis, Tennessee, part of Baptist Memorial Health Care. The medical group on file is Southeastern Physician Services PC. Dmand AI also links Dr. Vieron to 1 more physician office and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Leonidas N. Vieron's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vieron practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baptist Memorial Hospital-Memphis | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Baptist Memorial Health Care and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Leonidas N. Vieron is one of 2,427 internists in Tennessee
Internal medicine is Dr. Vieron's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Vieron's licenses on file in 3 states: Tennessee, Arkansas and Mississippi.
Specialties and state licenses
- Internal medicine, TennesseePrimary
- Arkansas license
- Mississippi license
Internists near Dr. Vieron
Counts of internists 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. Leonidas N. Vieron billed Medicare for 1,094 services in 2024
CMS data shows 1,094 Medicare services from Dr. Vieron across 5 procedure codes in 2024, for 272 Medicare patients. Medicare paid $75,351 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Vieron's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0292024: 1,0946%
Dr. Vieron compared with the Tennessee median for internists, 2024
- Dr. Vieron
- Tennessee median
- Medicare services
- 1,094vs 67163% above
- Medicare patients
- 272vs 22223% above
- Part D claims
- 129vs 33461% below
Medians across 2,462 internists in Tennessee with Dmand AI profiles that report each measure.
Dr. Vieron'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.
Need commercial claims for Dr. Vieron?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Vieron and other internists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leonidas N. Vieron treated 272 Medicare patients in 2024, average age 76
CMS counts 272 Medicare patients who saw Dr. Vieron in 2024. The largest group is 75 to 84, with 111 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.52, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Vieron's median patient age at 65, with 56% women.
Dr. Vieron's Medicare patients by age, 2024
Dr. Vieron's Medicare patients by sex, 2024
- Women15858%
- Men11442%
Chronic conditions among Dr. Vieron's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis67%
- Ischemic heart disease61%
- Chronic kidney disease54%
- Heart failure54%
- Diabetes52%
- Atrial fibrillation44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Vieron's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leonidas N. Vieron wrote 377 Medicare Part D claims in 2024
In 2024, Dr. Vieron wrote 377 Medicare Part D claims for 161 patients. 92% of them were for generic drugs. CMS names the drug for 129 of them, across 9 drugs with 11 or more claims each, at $6,836 in total drug cost. In 2023, CMS named 14 claims across 1 drug.
Dr. Vieron's Part D claims by kind of drug, 2024
- Generic345 claims92%
- Brand-name32 claims8%
Dr. Vieron'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. Vieron's Part D claims, 2024
- Opioids11%42 of 377 claims
- Antibiotics16%61 of 377 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: 142024: 129821%
Drugs named by CMS: 9 in 2024, 1 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
How Dr. Leonidas N. Vieron takes part in Medicare
Dr. Vieron accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Leonidas N. Vieron received $1,027 in industry payments from 2016 to 2025
CMS Open Payments shows 28 general payments to Dr. Vieron from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $171.
General payments to Dr. Vieron by program year, 2016 to 2025
Companies that paid Dr. Vieron 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. Leonidas N. Vieron graduated from University of Tennessee, Hsc, College of Medicine
Dr. Vieron graduated from University of Tennessee, Hsc, College of Medicine in 1975.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leonidas N. Vieron'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) |
| 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. Leonidas N. Vieron
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. Leonidas N. Vieron's NPI number?
Dr. Leonidas N. Vieron's NPI number is 1245387737. It was assigned on January 5, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Leonidas N. Vieron?
Dr. Leonidas N. Vieron is an internist in Memphis, Tennessee. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Leonidas N. Vieron practice?
Dr. Vieron practices at 6019 Walnut Grove Road, Memphis, TN 38120. Dr. Vieron's primary practice is Baptist Memorial Hospital-Memphis in Memphis, Tennessee, part of Baptist Memorial Health Care. Dmand AI also links Dr. Vieron to 1 physician office and 1 medical group.
What is Dr. Leonidas N. Vieron's office phone number?
The practice phone on file for Dr. Vieron is (901) 226-5000.
What is Dr. Leonidas N. Vieron's medical license number?
Dr. Vieron holds Tennessee license 9440, one of the licenses on file in 3 states.
Which states has Dr. Leonidas N. Vieron been licensed in?
Dmand AI has state licenses on file for Dr. Vieron in Tennessee, Arkansas and Mississippi.
Which hospitals is Dr. Leonidas N. Vieron affiliated with?
Dr. Vieron practices at Baptist Memorial Hospital-Memphis in Memphis, Tennessee.
What medical group is Dr. Leonidas N. Vieron part of?
Dr. Vieron is linked to Southeastern Physician Services PC. Dmand AI links Dr. Vieron to 1 more medical group.
Does Dr. Leonidas N. Vieron accept Medicare?
Yes. CMS data shows Dr. Vieron billed Medicare for 1,094 services in 2024, and Dr. Vieron accepts Medicare assignment.
How many Medicare patients does Dr. Leonidas N. Vieron see?
CMS counts 272 Medicare patients who saw Dr. Vieron in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Leonidas N. Vieron bill to Medicare?
In 2024, Dr. Vieron's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Dr. Leonidas N. Vieron go to medical school?
Dr. Vieron graduated from University of Tennessee, Hsc, College of Medicine in 1975.
What drugs does Dr. Leonidas N. Vieron prescribe most?
In 2024 Medicare Part D data, Dr. Vieron's most prescribed drugs by claims were Atorvastatin Calcium, Hydrocodone-Acetaminophen and Levofloxacin.
Has Dr. Leonidas N. Vieron received payments from drug or device companies?
CMS Open Payments shows $1,027 in general payments to Dr. Vieron from 15 companies from 2016 to 2025. The largest total came from Bausch Health Americas, Inc.
How long has Dr. Leonidas N. Vieron been practicing?
Dr. Vieron graduated from medical school in 1975, 51 years ago.
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