Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ernest B Leibov, MD
Psychiatry Physician in Sparta, NJ · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1619964996
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Registry record
Entity type Individual (Type 1)
Name Ernest B Leibov
Credential MD
Sex Male
Practice address 350 Sparta Ave, #A-5, Sparta, NJ, 07871
Phone (973) 729-0224
Fax (973) 729-0234
Enumeration date Oct 3, 2005
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 25 MA 4350600 (NM) Primary
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 |
|---|---|---|---|
| 223115510 | Other | NJ | TAX ID |
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
What is the NPI number for Ernest Leibov?
The National Provider Identifier (NPI) for Ernest Leibov is 1619964996, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ernest Leibov practice?
The practice location on file with NPPES is in Sparta, NJ. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Gerald Nathan Psychologist · Sparta, NJ NPI 1417955238 Kavitha Selvaraj Internal Medicine Physician · Sparta, NJ NPI 1023080181 Marie Czaplicki-Margiotti Orthopaedic Surgery Physician · Sparta, NJ NPI 1528094927 Peter Davanzo Anesthesiology Physician · Sparta, NJ NPI 1750497160 Peter A Davanzo MD PC Anesthesiology Physician · Sparta, NJ NPI 1922114230 Michele Buchbauer Psychologist · Sparta, NJ NPI 1164522926 Kristin Russo Optometrist · Sparta, NJ NPI 1770683559 Jeffrey Liegner Ophthalmology Physician · Sparta, NJ NPI 1730280314
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.