Dr. Nathaniel Joseph Leonardi, DO
- Part D claims, 2024
- 91
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2020
- Practice address
- 988102 Nebrasks Medical Center, Omaha, NE 68198
- Practice phone
- Call (402) 559-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Leonardi'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. Nathaniel Joseph Leonardi is a nephrologist in Omaha, Nebraska
Dr. Leonardi practices at Nebraska Medical Center in Omaha, Nebraska, part of University of Nebraska System.
Dr. Leonardi's NPI, 1427685445, was assigned on March 27, 2020. Dr. Leonardi graduated from At Still Un of Hlth Sciences, Col of Osteo Med, Mesa in 2020. Dr. Leonardi holds Illinois license 036.179518.
- NPI
- 1427685445NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709200215
- NPI enumeration date
- March 27, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (402) 559-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathaniel Joseph Leonardi practices at 2 locations in Omaha, Nebraska
Dr. Leonardi's primary practice is Nebraska Medical Center, at 988102 Nebrasks Medical Center, Omaha, NE 68198 in Douglas County. The practice phone is (402) 559-4000. Dr. Leonardi also practices at Nebraska Medical Center, 987400 Nebraska Medical Ctr, Omaha, NE 68198.
- Nebraska Medical CenterPrimary988102 Nebrasks Medical Center, Omaha, NE 68198 · Douglas CountyPhone(402) 559-4000
- Nebraska Medical Center987400 Nebraska Medical Ctr, Omaha, NE 68198 · Douglas CountyPhone(402) 552-2040
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Nathaniel Joseph Leonardi is affiliated with 2 sites of care and 2 medical groups
Dr. Leonardi's primary practice is Nebraska Medical Center in Omaha, Nebraska, part of University of Nebraska System. The medical group on file is UNMC Physicians. Dmand AI also links Dr. Leonardi to 1 more group practice or clinic 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. Nathaniel Joseph Leonardi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leonardi practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nebraska Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathaniel Joseph Leonardi is one of 59 nephrologists in Nebraska
Nephrology is Dr. Leonardi's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Leonardi is licensed in Illinois.
Specialties and state licenses
- Nephrology, IllinoisPrimary
Nephrologists near Dr. Leonardi
Counts of nephrologists 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. Nathaniel Joseph Leonardi's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Leonardi's median patient age at 65, with 32% women.
Dr. Leonardi'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
- Women32%
- Men68%
Source: Dmand AI Patient Panel Data
Dr. Nathaniel Joseph Leonardi wrote 91 Medicare Part D claims in 2024
In 2024, Dr. Leonardi wrote 91 Medicare Part D claims for 28 patients. 69% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $17,547 in total drug cost.
Dr. Leonardi's Part D claims by kind of drug, 2024
- Generic63 claims69%
- Brand-name and other28 claims31%
Dr. Leonardi'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.
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. Nathaniel Joseph Leonardi takes part in Medicare
Dr. Leonardi 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. Nathaniel Joseph Leonardi graduated from At Still Un of Hlth Sciences, Col of Osteo Med, Mesa
Dr. Leonardi graduated from At Still Un of Hlth Sciences, Col of Osteo Med, Mesa in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nathaniel Joseph Leonardi'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Nathaniel Joseph Leonardi
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. Nathaniel Joseph Leonardi's NPI number?
Dr. Nathaniel Joseph Leonardi's NPI number is 1427685445. It was assigned on March 27, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathaniel Joseph Leonardi?
Dr. Nathaniel Joseph Leonardi is a nephrologist in Omaha, Nebraska. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Nathaniel Joseph Leonardi practice?
Dr. Leonardi practices at 988102 Nebrasks Medical Center, Omaha, NE 68198. Dr. Leonardi also practices at 987400 Nebraska Medical Ctr, Omaha, NE 68198. Dr. Leonardi's primary practice is Nebraska Medical Center in Omaha, Nebraska, part of University of Nebraska System. Dmand AI also links Dr. Leonardi to 1 group practice or clinic and 1 medical group.
What is Dr. Nathaniel Joseph Leonardi's office phone number?
The practice phone on file for Dr. Leonardi is (402) 559-4000.
What is Dr. Nathaniel Joseph Leonardi's medical license number?
Dr. Leonardi holds Illinois license 036.179518.
Which hospitals is Dr. Nathaniel Joseph Leonardi affiliated with?
Dr. Leonardi practices at Nebraska Medical Center in Omaha, Nebraska.
What medical group is Dr. Nathaniel Joseph Leonardi part of?
Dr. Leonardi is linked to UNMC Physicians. Dmand AI links Dr. Leonardi to 1 more medical group.
Does Dr. Nathaniel Joseph Leonardi accept Medicare?
Yes. CMS lists Dr. Leonardi as accepting Medicare assignment.
Where did Dr. Nathaniel Joseph Leonardi go to medical school?
Dr. Leonardi graduated from At Still Un of Hlth Sciences, Col of Osteo Med, Mesa in 2020.
What drugs does Dr. Nathaniel Joseph Leonardi prescribe most?
In 2024 Medicare Part D data, Dr. Leonardi's most prescribed drugs by claims were Jardiance.
How long has Dr. Nathaniel Joseph Leonardi been practicing?
Dr. Leonardi graduated from medical school in 2020, 6 years ago.
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