Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Marc Erik Leonardo, M.D.

Psychiatry Physician in New York, NY · enumerated 2008.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1609048693

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Registry record

Entity type Individual (Type 1)

Name Marc Erik Leonardo

Credential M.D.

Sex Male

Practice address New York, NY, 10028

Phone (212) 452-0878

Fax (212) 609-5858

Enumeration date Mar 31, 2008

Last updated in NPPES Mar 31, 2008

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 214521 (NY) Primary

2084P0804X Child & Adolescent Psychiatry Physician Allopathic & Osteopathic Physicians · License 214521 (NY) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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.

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Frequently asked questions

Where does Marc Leonardo practice?

The practice location on file with NPPES is in New York, NY. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Marc Leonardo?

The National Provider Identifier (NPI) for Marc Leonardo is 1609048693, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Adrienne Lederer-Freedland Child & Adolescent Psychiatry Physician · New York, NY NPI 1083763619 Wendy Turchin Child & Adolescent Psychiatry Physician · New York, NY NPI 1740463793 Heidi Fuld Speech-Language Pathologist · New York, NY NPI 1760636377 Gajan Sivananthan Vascular & Interventional Radiology Physician · New York, NY NPI 1477887768 Petra Bernard Developmental Therapist · New York, NY NPI 1174814420 Lauren Posner Inc Early Intervention Provider Agency · New York, NY NPI 1447632732 Elizabeth Levy Speech-Language Pathologist · New York, NY NPI 1275994386 Petra Bernard LLC Early Intervention Provider Agency · New York, NY NPI 1275058224

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-31.