Mr Mark Leslie Gaynor, LCSW - Medicare Clinical Social Worker in New Haven, CT

Mr Mark Leslie Gaynor, LCSW is a medicare enrolled "Social Worker - Clinical" provider in New Haven, Connecticut. He graduated from medical school in 1975 and has 49 years of diverse experience with area of expertise as Clinical Social Worker. His current practice location is 100 Whitney Ave, New Haven, Connecticut. You can reach out to his office (for appointments etc.) via phone at (203) 865-0865.

Mr Mark Leslie Gaynor is licensed to practice in Connecticut (license number 000930) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1275515009.

Contact Information

Mr Mark Leslie Gaynor, LCSW
100 Whitney Ave,
New Haven, CT 06510
(203) 865-0865
(203) 865-0093

Map and Direction




Healthcare Provider's Profile

Full NameMr Mark Leslie Gaynor
GenderMale
SpecialityClinical Social Worker
Experience49 Years
Location100 Whitney Ave, New Haven, Connecticut
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mr Mark Leslie Gaynor graduated from medical school in 1975
  NPI Data:
  • NPI Number: 1275515009
  • Provider Enumeration Date: 11/17/2005
  • Last Update Date: 06/27/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 9638119902
  • Enrollment ID: I20050505000641

Medical Identifiers

Medical identifiers for Mr Mark Leslie Gaynor such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1275515009NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
1041C0700XSocial Worker - Clinical 000930 (Connecticut)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. Mr Mark Leslie Gaynor is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mr Mark Leslie Gaynor, LCSW
100 Whitney Ave,
New Haven, CT 06510-1283

Ph: (203) 865-0865
Mr Mark Leslie Gaynor, LCSW
100 Whitney Ave,
New Haven, CT 06510

Ph: (203) 865-0865

Reviews and Comments


Social Worker in New Haven, CT

Ms. Marie J. Morris, LCSW
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Phone: 203-584-0323    
Erica Crawford Holahan, LCSW
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Phone: 203-687-5971    
Bernadette Bimonte-hackett, LCSW
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Medicare: Not Enrolled in Medicare
Practice Location: 20 York St, Social Work Ep10-635, New Haven, CT 06510
Phone: 203-785-5161    Fax: 203-688-2395
Jessica Pena Pardo, LCSW
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Medicare: Accepting Medicare Assignments
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Phone: 203-503-3075    Fax: 203-503-3296
Amy Catherine Page, LCSW
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Practice Location: 12 Fountain St, New Haven, CT 06515
Phone: 203-651-5031    
Christopher Lodi, LCSW
Clinical Social Worker
Medicare: Medicare Enrolled
Practice Location: 330 Orchard St, New Haven, CT 06511
Phone: 203-208-5368    Fax: 410-861-6262

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.