Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Brad Douglas Lerner, MD
Urology Physician in Baltimore, MD · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1558346809
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Registry record
Entity type Individual (Type 1)
Name Dr. Brad Douglas Lerner
Credential MD
Sex Male
Practice address 3333 N Calvert St, Suite 600, Baltimore, MD, 21218
Phone (410) 467-7665
Fax (410) 467-7746
Enumeration date Dec 9, 2005
Last updated in NPPES May 29, 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 |
|---|---|---|---|
| 091341300 | 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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Brad Lerner?
Brad Lerner is registered in NPPES with the primary taxonomy of Urology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → Dawn Kershner Cardiovascular Disease Physician · Baltimore, MD NPI 1851394142 David Goldscher Cardiovascular Disease Physician · Baltimore, MD NPI 1952304370 John Laschinger Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Baltimore, MD NPI 1699778969 Marc Mugmon Cardiovascular Disease Physician · Baltimore, MD NPI 1861486060 David Schamp Clinical Cardiac Electrophysiology Physician · Baltimore, MD NPI 1417941444 John Bielawski Athletic Trainer · Baltimore, MD NPI 1780665380 Shawn Dhillon, M.D., P.C. Internal Medicine Physician · Baltimore, MD NPI 1932186764 Monika Dhillon Nephrology Physician · Baltimore, MD NPI 1487632600
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-29.