Dr. Nathaniel Jack Leavitt, DO
- Part D claims, 2024
- 123
- Hospital affiliations
- 2
- Industry payments
- $143
- Medical groups
- 4
- State license
- 1
- Practice address
- 1500 Sw 1st Ave, Ocala, FL 34471
- Practice phone
- Call (352) 351-7282
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
AdventHealth Ocala
Mobile Lab · Ocala, Florida
Find Dr. Leavitt'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 Jack Leavitt is an internist in Ocala, Florida
Dr. Leavitt practices at AdventHealth Ocala in Ocala, Florida.
Dr. Leavitt's NPI, 1083233928, was assigned on April 10, 2020. Dr. Leavitt holds Florida license OS22195.
- NPI
- 1083233928NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739569831
- NPI enumeration date
- April 10, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (352) 351-7282
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathaniel Jack Leavitt practices at AdventHealth Ocala in Ocala, Florida
Dr. Leavitt's primary practice is AdventHealth Ocala, at 1500 Sw 1st Ave, Ocala, FL 34471. The practice phone is (352) 351-7282.
- AdventHealth Ocala1500 Sw 1st Ave, Ocala, FL 34471Phone(352) 351-7282
Source: Dmand AI Affiliation Data
Dr. Nathaniel Jack Leavitt is affiliated with 6 sites of care and 4 medical groups
Dr. Leavitt's primary practice is AdventHealth Ocala in Ocala, Florida. Dr. Leavitt is also affiliated with AdventHealth Ocala. The medical group on file is Central Florida Inpatient Medicine. Dmand AI also links Dr. Leavitt to 1 more hospital, 3 group practices and clinics and 3 medical groups, 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 Jack Leavitt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leavitt practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| AdventHealth Ocala | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathaniel Jack Leavitt is one of 9,009 internists in Florida
Internal medicine is Dr. Leavitt's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Leavitt is licensed in Florida.
Specialties and state licenses
- Internal medicine, FloridaPrimary
Internists near Dr. Leavitt
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. Nathaniel Jack Leavitt's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Leavitt's median patient age at 72, with 59% women.
Dr. Leavitt'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
- Women59%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. Nathaniel Jack Leavitt wrote 123 Medicare Part D claims in 2024
In 2024, Dr. Leavitt wrote 123 Medicare Part D claims for 56 patients. 85% of them were for generic drugs.
Dr. Leavitt's Part D claims by kind of drug, 2024
- Generic105 claims85%
- Brand-name18 claims15%
Drug classes CMS tracks in Dr. Leavitt's Part D claims, 2024
- Antibiotics9%11 of 123 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Nathaniel Jack Leavitt takes part in Medicare
Dr. Leavitt 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 Jack Leavitt received $143 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Leavitt from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $143.
Companies that paid Dr. Leavitt the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Nathaniel Jack Leavitt'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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) |
| 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 Jack Leavitt
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What is Dr. Nathaniel Jack Leavitt's NPI number?
Dr. Nathaniel Jack Leavitt's NPI number is 1083233928. It was assigned on April 10, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathaniel Jack Leavitt?
Dr. Nathaniel Jack Leavitt is an internist in Ocala, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Nathaniel Jack Leavitt practice?
Dr. Leavitt practices at 1500 Sw 1st Ave, Ocala, FL 34471. Dr. Leavitt's primary practice is AdventHealth Ocala in Ocala, Florida. Dmand AI also links Dr. Leavitt to 1 hospital, 3 group practices and clinics and 3 medical groups.
What is Dr. Nathaniel Jack Leavitt's office phone number?
The practice phone on file for Dr. Leavitt is (352) 351-7282.
What is Dr. Nathaniel Jack Leavitt's medical license number?
Dr. Leavitt holds Florida license OS22195.
Which hospitals is Dr. Nathaniel Jack Leavitt affiliated with?
Dr. Leavitt is affiliated with AdventHealth Ocala. Dmand AI links Dr. Leavitt to 1 more hospital.
What medical group is Dr. Nathaniel Jack Leavitt part of?
Dr. Leavitt is linked to Central Florida Inpatient Medicine. Dmand AI links Dr. Leavitt to 3 more medical groups.
Does Dr. Nathaniel Jack Leavitt accept Medicare?
Yes. CMS lists Dr. Leavitt as accepting Medicare assignment.
Has Dr. Nathaniel Jack Leavitt received payments from drug or device companies?
CMS Open Payments shows $143 in general payments to Dr. Leavitt from 1 company from 2025 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Nathaniel Jack Leavitt been practicing?
Dr. Leavitt graduated from medical school in 2022, 4 years ago.
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