Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Nicholas Thomas Leone, MD
Urology Physician in Baltimore, MD · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1386700789
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Registry record
Entity type Individual (Type 1)
Name Nicholas Thomas Leone
Credential MD
Sex Male
Practice address 1838 Greene Tree Rd, Suite 460, Baltimore, MD, 21208
Phone (410) 581-1600
Fax (410) 581-1603
Enumeration date Dec 29, 2006
Last updated in NPPES Jun 25, 2025
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 022369700 | Medicaid | MD | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Nicholas Leone practice?
The practice location on file with NPPES is in Baltimore, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Nicholas Leone?
The National Provider Identifier (NPI) for Nicholas Leone is 1386700789, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Benjamin Dubois Cardiovascular Disease Physician · Baltimore, MD NPI 1457354805 Warren Israel Cardiovascular Disease Physician · Baltimore, MD NPI 1962405274 Andrew Barnstein Cardiovascular Disease Physician · Baltimore, MD NPI 1316940794 Steven Brooks Cardiovascular Disease Physician · Baltimore, MD NPI 1518960970 Charles Cummings Cardiovascular Disease Physician · Baltimore, MD NPI 1881697233 Ambereen Quraishi Cardiovascular Disease Physician · Baltimore, MD NPI 1629070842 Stuart Gordon Orthopaedic Surgery Physician · Pikesville, MD NPI 1164428306 Mark Coleman Interventional Pain Medicine Physician · Pikesville, MD NPI 1821095431
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-25.