Dr William S Kasper, MD - Medicare Ophthalmology in Garden City, NY

Dr William S Kasper, MD is a medicare enrolled "Ophthalmology" physician in Garden City, New York. He graduated from medical school in 1967 and has 57 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Sight Medical Doctors Pllc and his current practice location is 520 Franklin Ave, Suite L9, Garden City, New York. You can reach out to his office (for appointments etc.) via phone at (631) 265-8780.

Dr William S Kasper is licensed to practice in New York (license number 105422) 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 1851307987.

Contact Information

Dr William S Kasper, MD
520 Franklin Ave, Suite L9,
Garden City, NY 11530-5813
(631) 265-8780
(631) 265-8521

Map and Direction




Physician's Profile

Full NameDr William S Kasper
GenderMale
SpecialityOphthalmology
Experience57 Years
Location520 Franklin Ave, Garden City, 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:
  • Dr William S Kasper graduated from medical school in 1967
  NPI Data:
  • NPI Number: 1851307987
  • Provider Enumeration Date: 07/31/2006
  • Last Update Date: 02/09/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 9830184811
  • Enrollment ID: I20040419000810

Medical Identifiers

Medical identifiers for Dr William S Kasper such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1851307987NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology 105422 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Sight Medical Doctors Pllc599193517397

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. Dr William S Kasper allows following entities to bill medicare on his behalf.
Entity NameSight Medical Doctors Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1487077483
PECOS PAC ID: 5991935173
Enrollment ID: O20140310000579

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 William S Kasper 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
Dr William S Kasper, MD
260 E Middle Country Rd, Suite 201,
Smithtown, NY 11787-2982

Ph: (631) 265-8780
Dr William S Kasper, MD
520 Franklin Ave, Suite L9,
Garden City, NY 11530-5813

Ph: (631) 265-8780

Reviews and Comments


Ophthalmology Doctors in Garden City, NY

Di Zhou, MD
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Practice Location: 450 Endo Blvd, Garden City, NY 11530
Phone: 516-832-8000    Fax: 516-683-3386
Dr. Marilyn Ogrady, M.D.
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Medicare: Medicare Enrolled
Practice Location: 111 7th St, Garden City, NY 11530
Phone: 516-747-3349    Fax: 516-747-6003
Dr. Mark Fleckner, M.D.,P.C.
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Practice Location: 520 Franklin Ave, Suite L6, Garden City, NY 11530
Phone: 516-739-5905    Fax: 516-739-6876
Thierry John Hufnagel, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 450 Endo Blvd, Garden City, NY 11530
Phone: 516-832-8000    Fax: 516-832-8379
Dr. Antonio Vinals, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 157 Meadow St, Garden City, NY 11530
Phone: 646-736-7324    Fax: 516-742-8364
Rebecca Stein, MD
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Practice Location: 711 Stewart Ave Ste 160, Garden City, NY 11530
Phone: 516-500-4200    
Joseph Younger, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 520 Franklin Ave, Ste 101, Garden City, NY 11530
Phone: 516-741-4488    Fax: 516-741-2437

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.