Dr Ellvin John Mar, OD - Medicare Optometrist in Northport, NY

Dr Ellvin John Mar, OD is a medicare enrolled "Optometrist" provider in Northport, New York. He went to State University Of New York - State College Optometry and graduated in 2007 and has 17 years of diverse experience with area of expertise as Optometry. He is a member of the group practice Tan And Mar Optometry and his current practice location is 834 Fort Salonga Rd Ste D, Northport, New York. You can reach out to his office (for appointments etc.) via phone at (631) 757-4440.

Dr Ellvin John Mar is licensed to practice in New York (license number 007221) 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 1790965101.

Contact Information

Dr Ellvin John Mar, OD
834 Fort Salonga Rd Ste D,
Northport, NY 11768-3157
(631) 757-4440
(631) 757-4593

Map and Direction




Healthcare Provider's Profile

Full NameDr Ellvin John Mar
GenderMale
SpecialityOptometry
Experience17 Years
Location834 Fort Salonga Rd Ste D, Northport, 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 Ellvin John Mar attended and graduated from State University Of New York - State College Optometry in 2007
  NPI Data:
  • NPI Number: 1790965101
  • Provider Enumeration Date: 11/14/2007
  • Last Update Date: 07/05/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 1355415035
  • Enrollment ID: I20140728001695

Medical Identifiers

Medical identifiers for Dr Ellvin John Mar such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1790965101NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 007221 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Tan And Mar Optometry15576896352

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 Ellvin John Mar allows following entities to bill medicare on his behalf.
Provider NameTan & Mar Optometry
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1770973968
PECOS PAC ID: 1557689635
Enrollment ID: O20150422000447

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 Ellvin John Mar 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 Ellvin John Mar, OD
834 Fort Salonga Rd Ste D,
Northport, NY 11768-3157

Ph: (631) 757-4440
Dr Ellvin John Mar, OD
834 Fort Salonga Rd Ste D,
Northport, NY 11768-3157

Ph: (631) 757-4440

Reviews and Comments


Optometrist in Northport, NY

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Phone: 631-261-4400    

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.

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