Dr Leonard I Leven, MD - Psychiatry & Neurology in Old Greenwich, CT

Dr Leonard I Leven, MD is a Psychiatry & Neurology - Child & Adolescent Psychiatry physician based in Old Greenwich, Connecticut. Dr Leonard I Leven is licensed to practice in New York (license number 167310) and his current practice location is 3 W End Ave, Old Greenwich, Connecticut. He can be reached at his office (for appointments etc.) via phone at (203) 637-1486.

NPI number for Dr Leonard I Leven is 1821098245 and his current mailing address is 3 Bayberry Rd, Elmsford, New York. He does not participate in medicare program and thus does not accept medicare assignments. His NPI Number is 1821098245.

Contact Information

Dr Leonard I Leven, MD
3 W End Ave,
Old Greenwich, CT 06870-1640
(203) 637-1486
(203) 637-1486

Map and Direction




Physician's Profile

Full NameDr Leonard I Leven
GenderMale
SpecialityPsychiatry & Neurology - Child & Adolescent Psychiatry
Location3 W End Ave, Old Greenwich, Connecticut
Accepts Medicare AssignmentsDoes not participate in Medicare Program. He may not accept medicare assignment.
  NPI Data:
  • NPI Number: 1821098245
  • Provider Enumeration Date: 07/28/2005
  • Last Update Date: 07/08/2007

Medical Identifiers

Medical identifiers for Dr Leonard I Leven such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1821098245NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry 026744 (Connecticut)Primary
2084P0800XPsychiatry & Neurology - Psychiatry 167310 (New York)Primary
2084P0804XPsychiatry & Neurology - Child & Adolescent Psychiatry 026744 (Connecticut)Primary
2084P0804XPsychiatry & Neurology - Child & Adolescent Psychiatry 167310 (New York)Primary

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Leonard I Leven is NOT enrolled with medicare and thus cannot prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Leonard I Leven, MD
3 Bayberry Rd,
Elmsford, NY 10523-1701

Ph: (914) 347-4510
Dr Leonard I Leven, MD
3 W End Ave,
Old Greenwich, CT 06870-1640

Ph: (203) 637-1486

Reviews and Comments


Psychiatry & Neurology Doctors in Old Greenwich, CT

Dr. Laurence Santo Lorefice, M.D.
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 39 Ballwood Rd, Old Greenwich, CT 06870
Phone: 203-637-4006    Fax: 203-637-8052

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.