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Dr. Mario A. Leone, MD
NPI1578060927PAC ID7810358058
- Medicare services, 2024
- 1,808
- Medicare patients, 2024
- 513
- Part D claims, 2024
- 626
- Publications
- 35
- Hospital affiliations
- 5
- Practice address
- 311 Niles Cortland NE Rd, Warren, OH 44484
- Practice phone
- Call (330) 746-1488
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Kidney Group, Inc
Warren, Ohio
Find Dr. Leone's professional email, personal email and mobile number
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Dr. Mario A. Leone is a nephrologist in Warren, Ohio
Dr. Leone practices at The Kidney Group, Inc in Warren, Ohio.
Dr. Leone's NPI, 1578060927, was assigned on April 11, 2018. Dr. Leone graduated from Northeastern Ohio University College of Medicine in 2018. Dr. Leone holds Ohio license 35.148136.
NPI and contact details
- NPI
- 1578060927NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810358058
- NPI enumeration date
- April 11, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (330) 746-1488
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mario A. Leone practices at The Kidney Group, Inc in Warren, Ohio
Dr. Leone's primary practice is The Kidney Group, Inc, at 311 Niles Cortland NE Rd, Warren, OH 44484 in Trumbull County. The practice phone is (330) 746-1488.
- The Kidney Group, Inc311 Niles Cortland NE Rd, Warren, OH 44484 · Trumbull CountyPhone(330) 746-1488
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mario A. Leone is affiliated with 8 sites of care and 1 medical group
Dr. Leone's primary practice is The Kidney Group, Inc in Warren, Ohio. Dr. Leone is also affiliated with Mercy Health - St. Joseph Warren Hospital. The medical group on file is The Kidney Group. Dmand AI also links Dr. Leone to 4 more hospitals, 1 dialysis center and 1 group practice or clinic, each named with a free account.
The Kidney Group, IncPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mario A. Leone's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leone practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Kidney Group, Inc | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mario A. Leone is one of 407 nephrologists in Ohio
Nephrology is Dr. Leone's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Leone is licensed in Ohio.
Specialties and state licenses
- Nephrology, OhioPrimary
Nephrologists near Dr. Leone
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
407nephrologists in Ohio
3nephrologists in Warren
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mario A. Leone billed Medicare for 1,808 services in 2024
CMS data shows 1,808 Medicare services from Dr. Leone across 9 procedure codes in 2024, for 513 Medicare patients. Medicare paid $114,610 for them.
Medicare services, 20241,808
Medicare patients513
Paid by Medicare$114,610
Procedure codes9
Dr. Leone's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4542024: 1,499230%
- Other services
- 2023: 02024: 158
- Tests and treatments
- 2023: 672024: 151125%
Where Dr. Leone's Medicare services took place, 2024
- In an office33819%
- In a facility1,47081%
Dr. Leone compared with the Ohio median for nephrologists, 2024
- Dr. Leone
- Ohio median
- Medicare services
- 1,808vs 7902.3 times
- Medicare patients
- 513vs 30767% above
- Part D claims
- 538vs 76730% below
Medians across 400 nephrologists in Ohio with Dmand AI profiles that report each measure.
Dr. Leone'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. Leone?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Leone and other nephrologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mario A. Leone treated 513 Medicare patients in 2024, average age 76
CMS counts 513 Medicare patients who saw Dr. Leone in 2024. The largest group is 75 to 84, with 199 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 21% are also on Medicaid. Their average risk score is 3.66, 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. Leone's median patient age at 73, with 49% women.
Medicare patients, 2024513
Average age76
Average risk score3.66
Also on Medicaid21%
Dr. Leone's Medicare patients by age, 2024
Dr. Leone's Medicare patients by sex, 2024
- Women25349%
- Men26051%
Chronic conditions among Dr. Leone's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Diabetes62%
- Heart failure59%
- Ischemic heart disease55%
- COPD47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Leone's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mario A. Leone wrote 626 Medicare Part D claims in 2024
In 2024, Dr. Leone wrote 626 Medicare Part D claims for 131 patients. 94% of them were for generic drugs. CMS names the drug for 538 of them, across 15 drugs with 11 or more claims each, at $18,087 in total drug cost. In 2023, CMS named 158 claims across 7 drugs.
Part D claims, 2024626
Drugs named by CMS15
Total drug cost$18,087
Part D patients131
Dr. Leone's Part D claims by kind of drug, 2024
- Generic591 claims94%
- Brand-name35 claims6%
Dr. Leone'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: 1582024: 538241%
Drugs named by CMS: 15 in 2024, 7 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. Mario A. Leone takes part in Medicare
Dr. Leone 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)
For MedTech and pharma teams
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Dr. Mario A. Leone has 35 publications on record
Dmand AI links 35 papers to Dr. Leone, published from 2013 to 2025. 2016 was the busiest year, with 6. The most frequent topics are Exercise Therapy, Exercise Test and Body Mass Index. Dr. Leone has published most often in Clin Physiol Funct Imaging. Dr. Leone's most frequent co-author is Chad R. Heatwole, MD.
Papers35
Years published2013 to 2025
Dr. Leone's papers by year, 2015 to 2025
Topics Dr. Leone writes about most
- Exercise Therapy
- Exercise Test
- Body Mass Index
- Motor Skills
- Cardiorespiratory Fitness
- Heart Rate
- Immersion
- Myotonic Dystrophy
Dr. Leone's most frequent co-authors
Recent publications by Dr. Leone
Int J Environ Res Public Health
Body ImageBody Mass IndexCardiorespiratory Fitness
Int J Environ Res Public Health
AnthropometryAutism Spectrum DisorderBody Mass Index
Int J Environ Res Public Health
AnthropometryBody Mass IndexCanada
See who Dr. Leone researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Leone works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mario A. Leone received $3,225 in industry payments from 2020 to 2025
CMS Open Payments shows 131 general payments to Dr. Leone from 18 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 99% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $545.
General payments to Dr. Leone by program year, 2020 to 2025
General payments to Dr. Leone by kind, 2020 to 2025
$3.2Kin total
- Food and beverage$3,20699%
- Education$181%
Companies that paid Dr. Leone the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mario A. Leone graduated from Northeastern Ohio University College of Medicine
Dr. Leone graduated from Northeastern Ohio University College of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mario A. Leone'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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) |
| 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. Mario A. Leone
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. Mario A. Leone's NPI number?
Dr. Mario A. Leone's NPI number is 1578060927. It was assigned on April 11, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Mario A. Leone?
Dr. Mario A. Leone is a nephrologist in Warren, Ohio. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Mario A. Leone practice?
Dr. Leone practices at 311 Niles Cortland NE Rd, Warren, OH 44484. Dr. Leone's primary practice is The Kidney Group, Inc in Warren, Ohio. Dmand AI also links Dr. Leone to 4 hospitals, 1 dialysis center and 1 group practice or clinic.
What is Dr. Mario A. Leone's office phone number?
The practice phone on file for Dr. Leone is (330) 746-1488.
What is Dr. Mario A. Leone's medical license number?
Dr. Leone holds Ohio license 35.148136.
Which hospitals is Dr. Mario A. Leone affiliated with?
Dr. Leone is affiliated with Mercy Health - St. Joseph Warren Hospital. Dmand AI links Dr. Leone to 4 more hospitals.
What medical group is Dr. Mario A. Leone part of?
Dr. Leone is linked to The Kidney Group.
Does Dr. Mario A. Leone accept Medicare?
Yes. CMS data shows Dr. Leone billed Medicare for 1,808 services in 2024, and Dr. Leone accepts Medicare assignment.
How many Medicare patients does Dr. Mario A. Leone see?
CMS counts 513 Medicare patients who saw Dr. Leone in 2024, with an average age of 76.
What services does Dr. Mario A. Leone bill to Medicare?
In 2024, Dr. Leone's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and medicare service (G2211).
Show 6 more questionsShow fewer questions
Where did Dr. Mario A. Leone go to medical school?
Dr. Leone graduated from Northeastern Ohio University College of Medicine in 2018.
What drugs does Dr. Mario A. Leone prescribe most?
In 2024 Medicare Part D data, Dr. Leone's most prescribed drugs by claims were Amlodipine Besylate, Furosemide and Lisinopril.
Has Dr. Mario A. Leone received payments from drug or device companies?
CMS Open Payments shows $3,225 in general payments to Dr. Leone from 18 companies from 2020 to 2025. The largest total came from Bayer HealthCare Pharmaceuticals Inc.
How long has Dr. Mario A. Leone been practicing?
Dr. Leone graduated from medical school in 2018, 8 years ago.
Does Dr. Mario A. Leone do research?
Dmand AI links 35 publications to Dr. Leone, published from 2013 to 2025.
Who does Dr. Mario A. Leone publish with?
Dr. Leone's most frequent co-authors are Chad R. Heatwole, MD (2 shared papers).
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