Leonard Leven, M.D
Quick Facts
NPI Validation Status: Verified
Provider Overview
LEONARD LEVEN, M.D is a Psychiatry provider based in Old Greenwich, CT who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.
Provider Details
Practice Location
Specialties & Licenses
Mailing Address
How to Use This NPI
For Insurance Billing
Use NPI 1821098245 in Box 33 of the CMS-1500 claim form. This number is required by all major insurance carriers to identify the billing provider and process electronic medical claims.
For Credentialing
Reference NPI 1821098245for provider credential verification. Hospital systems, state licensing boards, and CAQH directories query this number to verify the provider's active clinical status.
For Patients
Share NPI 1821098245 with your insurance company. If you need to verify out-of-network benefits or file a reimbursement claim, your insurance provider will require this number to process it.
About Psychiatry
Psychiatrists are medical doctors who specialize in the diagnosis, treatment, and prevention of mental, emotional, and behavioral disorders, with the authority to prescribe medications.
Similar Providers in Old Greenwich
Laurence Lorefice, M.D
📍 Old Greenwich, CT 06870-2332
Greenwich Avenue Psychiatry, Pc
📍 Old Greenwich, CT 06870-1640
Other Healthcare Providers in Old Greenwich
Burton Rubin, M.D
Internal MedicineLisa Kurian, M.D
Internal MedicinePeter Silver, O.D
OptometryChesson Clement, PT, MPT
Physical TherapyWilliam Brown, M.D
Specialty not listedFranklynn Inc
Specialty not listedOther Psychiatry Providers in Connecticut
People Also Ask
What is Leonard Leven's NPI number?
Is Leonard Leven's NPI currently active?
What does Leonard Leven specialize in?
2084P0800X.