Dr Timothy J O'brien, MD - Medicare Ophthalmology in Jamestown, NY

Dr Timothy J O'brien, MD is a medicare enrolled "Ophthalmology" physician in Jamestown, New York. He went to Jefferson Medical College Of Thomas Jefferson University and graduated in 1990 and has 34 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Gateway Ophthalmology Pllc, Gateway Ophthalmology Pllc and his current practice location is 27 Porter Ave, Jamestown, New York. You can reach out to his office (for appointments etc.) via phone at (716) 483-2020.

Dr Timothy J O'brien is licensed to practice in New York (license number 195904) 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 1912995184.

Contact Information

Dr Timothy J O'brien, MD
27 Porter Ave,
Jamestown, NY 14701-6221
(716) 483-2020
(716) 488-9295

Map and Direction




Physician's Profile

Full NameDr Timothy J O'brien
GenderMale
SpecialityOphthalmology
Experience34 Years
Location27 Porter Ave, Jamestown, 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 Timothy J O'brien attended and graduated from Jefferson Medical College Of Thomas Jefferson University in 1990
  NPI Data:
  • NPI Number: 1912995184
  • Provider Enumeration Date: 10/11/2005
  • Last Update Date: 09/08/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 0446247217
  • Enrollment ID: I20110127000749

Medical Identifiers

Medical identifiers for Dr Timothy J O'brien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1912995184NPI-NPPES
001304520MedicaidPA
01507753MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology 195904 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Upmc Chautauqua At WcaJamestown, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Gateway Ophthalmology Pllc14566546983
Gateway Ophthalmology Pllc14566546983

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 Timothy J O'brien allows following entities to bill medicare on his behalf.
Entity NameGateway Ophthalmology Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538524798
PECOS PAC ID: 1456654698
Enrollment ID: O20160222002187

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 Timothy J O'brien 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 Timothy J O'brien, MD
27 Porter Ave,
Jamestown, NY 14701-6221

Ph: (716) 483-2020
Dr Timothy J O'brien, MD
27 Porter Ave,
Jamestown, NY 14701-6221

Ph: (716) 483-2020

Reviews and Comments


Ophthalmology Doctors in Jamestown, NY

Dr. Vincent A Derosa, M.D.
Ophthalmology
Medicare: Medicare Enrolled
Practice Location: 2652 Widdy Bostwick Lane, Jamestown, NY 14701
Phone: 716-483-0355    
Dr. Samuel T Wong, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 27 Porter Ave, Jamestown, NY 14701
Phone: 716-483-2020    

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.