Dr Alfred Joseph Cossari Jr, MD - Medicare Ophthalmology in Port Jefferson, NY

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Dr Alfred Joseph Cossari Jr, MD is a medicare enrolled "Ophthalmology" physician in Port Jefferson, New York. He graduated from medical school in 1970 and has 54 years of diverse experience with area of expertise as Ophthalmology. His current practice location is 311 Barnum Avenue, Port Jefferson, New York. You can reach out to his office (for appointments etc.) via phone at (631) 928-6400.

Dr Alfred Joseph Cossari Jr is licensed to practice in New York (license number 119075) 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 1972607000.

Contact Information

Dr Alfred Joseph Cossari Jr, MD
311 Barnum Avenue,
Port Jefferson, NY 11777
(631) 928-6400
(631) 928-2353

Map and Direction




Physician's Profile

Full NameDr Alfred Joseph Cossari Jr
GenderMale
SpecialityOphthalmology
Experience54 Years
Location311 Barnum Avenue, Port Jefferson, 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 Alfred Joseph Cossari Jr graduated from medical school in 1970
  NPI Data:
  • NPI Number: 1972607000
  • Provider Enumeration Date: 09/11/2006
  • Last Update Date: 04/22/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 9638355506
  • Enrollment ID: I20110511000424

Medical Identifiers

Medical identifiers for Dr Alfred Joseph Cossari Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972607000NPI-NPPES
222615MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207WX0110XOphthalmology - Pediatric Ophthalmology And Strabismus Specialist 119075-1 (New York)Secondary
207W00000XOphthalmology 119075 (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. Dr Alfred Joseph Cossari Jr allows following entities to bill medicare on his behalf.
Entity NameAlfred J. Cossari, M.d., P.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1417250135
PECOS PAC ID: 2567648439
Enrollment ID: O20110511000399

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 Alfred Joseph Cossari Jr 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 Alfred Joseph Cossari Jr, MD
311 Barnum Avenue,
Port Jefferson, NY 11777

Ph: (631) 928-6400		Dr Alfred Joseph Cossari Jr, MD
311 Barnum Avenue,
Port Jefferson, NY 11777

Ph: (631) 928-6400

Reviews and Comments


Ophthalmology Doctors in Port Jefferson, NY

Dr. Richard E Koty, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 60 N Country Rd, Suite 301, Port Jefferson, NY 11777
Phone: 631-474-4200    Fax: 631-474-4202
Dr. Anzhelika Vaccaro, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 125 Oakland Ave, Suite 101, Port Jefferson, NY 11777
Phone: 631-828-7100    Fax: 631-828-7171
Dr. Michelle Levi, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 60 N Country Rd, Port Jefferson, NY 11777
Phone: 631-474-4200    
Dr. Donna Lynn Geiger, M.D.
Ophthalmology
Medicare: Medicare Enrolled
Practice Location: 251 E Oakland Ave, Suite 204, Port Jefferson, NY 11777
Phone: 631-473-5329    Fax: 631-473-5371

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.