Dr Mark A Grandas, OD - Medicare Optometrist in York, PA

Dr Mark A Grandas, OD is a medicare enrolled "Optometrist" provider in York, Pennsylvania. He went to Pennsylvania College Of Optometry and graduated in 2000 and has 24 years of diverse experience with area of expertise as Optometry. He is a member of the group practice Elmwood Eye, P.c. and his current practice location is 1018 N George St, York, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (717) 848-1316.

Dr Mark A Grandas is licensed to practice in Pennsylvania (license number OEG000064) 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 1881675270.

Contact Information

Dr Mark A Grandas, OD
1018 N George St,
York, PA 17404-2026
(717) 848-1316
(717) 846-5440

Map and Direction




Healthcare Provider's Profile

Full NameDr Mark A Grandas
GenderMale
SpecialityOptometry
Experience24 Years
Location1018 N George St, York, Pennsylvania
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 Mark A Grandas attended and graduated from Pennsylvania College Of Optometry in 2000
  NPI Data:
  • NPI Number: 1881675270
  • Provider Enumeration Date: 11/11/2005
  • Last Update Date: 04/02/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 2062450968
  • Enrollment ID: I20050421000238

Medical Identifiers

Medical identifiers for Dr Mark A Grandas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1881675270NPI-NPPES
01974483MedicaidPA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist OEG000064 (Pennsylvania)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Elmwood Eye, P.c.55971926255

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 Mark A Grandas allows following entities to bill medicare on his behalf.
Provider NameBrian L Vitz
Provider TypePractitioner - Ophthalmology
Provider IdentifiersNPI Number: 1174604417
PECOS PAC ID: 8224031869
Enrollment ID: I20080428000463
Provider NameElmwood Eye, P.c.
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1104384130
PECOS PAC ID: 5597192625
Enrollment ID: O20200302000012

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 Mark A Grandas 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 Mark A Grandas, OD
1018 N George St,
York, PA 17404-2026

Ph: (717) 848-1316
Dr Mark A Grandas, OD
1018 N George St,
York, PA 17404-2026

Ph: (717) 848-1316

Reviews and Comments


Optometrist in York, PA

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Dr. Erika Elizabeth Mabus, O.D.
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Phone: 717-741-6732    

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).

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