William O'leary, LCSW - Medicare Clinical Social Worker in South Setauket, NY

William O'leary, LCSW is a medicare enrolled "Social Worker - Clinical" provider in South Setauket, New York. He graduated from medical school in 2013 and has 11 years of diverse experience with area of expertise as Clinical Social Worker. His current practice location is 3771 Nesconset Hwy, Suite 208b, South Setauket, New York. You can reach out to his office (for appointments etc.) via phone at (631) 921-9138.

William O'leary is licensed to practice in New York (license number 072250) 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 1649481912.

Contact Information

William O'leary, LCSW
3771 Nesconset Hwy, Suite 208b,
South Setauket, NY 11720-1163
(631) 921-9138
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameWilliam O'leary
GenderMale
SpecialityClinical Social Worker
Experience11 Years
Location3771 Nesconset Hwy, South Setauket, New York
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:
  • William O'leary graduated from medical school in 2013
  NPI Data:
  • NPI Number: 1649481912
  • Provider Enumeration Date: 05/25/2007
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 6305980855
  • Enrollment ID: I20100222000315

Medical Identifiers

Medical identifiers for William O'leary such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1649481912NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
1041C0700XSocial Worker - Clinical 072250 (New York)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. William O'leary allows following entities to bill medicare on his behalf.
Entity NamePeople Talk, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1154653616
PECOS PAC ID: 3577607027
Enrollment ID: O20100222000319

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. William O'leary 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
William O'leary, LCSW
22 Parsons Dr,
Stony Brook, NY 11790-2615

Ph: () -
William O'leary, LCSW
3771 Nesconset Hwy, Suite 208b,
South Setauket, NY 11720-1163

Ph: (631) 921-9138

Reviews and Comments


Social Worker in South Setauket, NY

Mr. Alan P Felice, MSW, LCSW
Clinical Social Worker
Medicare: Accepting Medicare Assignments
Practice Location: 3771 Nesconset Hwy, Suite 208a, South Setauket, NY 11720
Phone: 631-751-7222    Fax: 631-751-7222
Rosemarie Bruno, LCSW
Clinical Social Worker
Medicare: May Accept Medicare Assignments
Practice Location: 3771 Nesconset Hwy Ste 102a, South Setauket, NY 11720
Phone: 631-961-8836    Fax: 631-961-8805
Mr. John Michael Donoghue, LCSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: Suite 208a 3771 Nesconset Hwy., South Setauket, NY 11720
Phone: 631-751-9600    Fax: 631-369-5433
Ms. Sara J Levinbook, LCSW
Clinical Social Worker
Medicare: Accepting Medicare Assignments
Practice Location: 3771 Nesconset Highway, Suite 101b, South Setauket, NY 11720
Phone: 631-689-1854    Fax: 631-689-1854
Alicia Mae Italiano, LCSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 6 Oneida Ave, South Setauket, NY 11720
Phone: 631-291-1186    
Aviv Winer, LCSW
Clinical Social Worker
Medicare: Accepting Medicare Assignments
Practice Location: 10 Tyburn Ln, South Setauket, NY 11720
Phone: 516-698-5511    Fax: 516-418-5377
Anne Piette, LMSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 10 Lynhaven Pl, South Setauket, NY 11720
Phone: 631-846-1880    

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.