Gregory Cowan, MD - Medicare Ophthalmology in Bethpage, NY

Gregory Cowan, MD is a medicare enrolled "Ophthalmology" physician in Bethpage, New York. He went to George Washington University School Of Medicine and graduated in 1988 and has 36 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 4277 Hempstead Tpke, 109, Bethpage, New York. You can reach out to his office (for appointments etc.) via phone at (516) 796-4030.

Gregory Cowan is licensed to practice in New York (license number 178691) 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 1275640716.

Contact Information

Gregory Cowan, MD
4277 Hempstead Tpke, 109,
Bethpage, NY 11714
(516) 796-4030
(516) 796-5134



Physician's Profile

Full NameGregory Cowan
GenderMale
SpecialityOphthalmology
Experience36 Years
Location4277 Hempstead Tpke, Bethpage, 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:
  • Gregory Cowan attended and graduated from George Washington University School Of Medicine in 1988
  NPI Data:
  • NPI Number: 1275640716
  • Provider Enumeration Date: 08/23/2006
  • Last Update Date: 05/01/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 2769588169
  • Enrollment ID: I20080404000255

Medical Identifiers

Medical identifiers for Gregory Cowan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1275640716NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology 178691 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Sight Medical Doctors Pllc599193517390

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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. Gregory Cowan 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

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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. Gregory Cowan 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
Gregory Cowan, MD
4277 Hempstead Tpke, 109,
Bethpage, NY 11714

Ph: (516) 796-4030
Gregory Cowan, MD
4277 Hempstead Tpke, 109,
Bethpage, NY 11714

Ph: (516) 796-4030

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Ophthalmology Doctors in Bethpage, NY

Joseph Weinstein, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 4212 Hempstead Tpke, Bethpage, NY 11714
Phone: 516-731-4800    Fax: 516-731-4805
Arnold S Prywes, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 4212 Hempstead Tpke, Bethpage, NY 11714
Phone: 516-731-4800    Fax: 516-731-4805
Ted Allan Karl, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 4277 Hempstead Tpke, #109, Bethpage, NY 11714
Phone: 516-796-4030    Fax: 516-796-5134
Karen Hendler-goldberg, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 4300 Hempstead Tpke, Bethpage, NY 11714
Phone: 516-210-8200    
Jordan Marc Garelick, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 4277 Hempstead Tpke, 109, Bethpage, NY 11714
Phone: 516-796-4030    Fax: 516-796-5134
Daniel D Hayes,
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 4212 Hempstead Tpke, Bethpage, NY 11714
Phone: 516-731-4800    Fax: 517-731-4823

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