Dr Mark Terrence Fay, MD - Medicare Ophthalmology in Klamath Falls, OR

Dr Mark Terrence Fay, MD is a medicare enrolled "Ophthalmology" physician in Klamath Falls, Oregon. He went to University Of Washington School Of Medicine and graduated in 1976 and has 48 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Klamath Ophthalmology Pc, Klamath Ophthalmology Pc and his current practice location is 2640 Biehn St, Klamath Falls, Oregon. You can reach out to his office (for appointments etc.) via phone at (541) 884-3148.

Dr Mark Terrence Fay is licensed to practice in Oregon (license number MD16253) 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 1972563781.

Contact Information

Dr Mark Terrence Fay, MD
2640 Biehn St,
Klamath Falls, OR 97601-1181
(541) 884-3148
(541) 884-3373

Map and Direction




Physician's Profile

Full NameDr Mark Terrence Fay
GenderMale
SpecialityOphthalmology
Experience48 Years
Location2640 Biehn St, Klamath Falls, Oregon
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 Terrence Fay attended and graduated from University Of Washington School Of Medicine in 1976
  NPI Data:
  • NPI Number: 1972563781
  • Provider Enumeration Date: 03/24/2006
  • Last Update Date: 02/11/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 5395636336
  • Enrollment ID: I20040820000231

Medical Identifiers

Medical identifiers for Dr Mark Terrence Fay such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972563781NPI-NPPES
F2640501647611OtherORVISION SERVICE PLAN
A002OtherORTRICARE
XPY094350OtherCAMEDI-CAL
004571003OtherORBCBS
042937MedicaidOR
180011820OtherORRAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology G58765 (California)Secondary
207W00000XOphthalmology MD16253 (Oregon)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sky Lakes Medical CenterKlamath falls, ORHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Klamath Ophthalmology Pc42846200066
Klamath Ophthalmology Pc42846200066

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 Terrence Fay allows following entities to bill medicare on his behalf.
Entity NameKlamath Ophthalmology Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1730148271
PECOS PAC ID: 4284620006
Enrollment ID: O20040426000217

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 Terrence Fay 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 Terrence Fay, MD
2640 Biehn St,
Klamath Falls, OR 97601-1181

Ph: (541) 884-3148
Dr Mark Terrence Fay, MD
2640 Biehn St,
Klamath Falls, OR 97601-1181

Ph: (541) 884-3148

Reviews and Comments


Ophthalmology Doctors in Klamath Falls, OR

Dr. Jonathan Dean Fay, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 2640 Biehn St Ste 3, Klamath Falls, OR 97601
Phone: 541-884-3148    Fax: 541-884-3373
Dr. Scott Kenneth Stevens, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 2640 Biehn St., Suite 3, Klamath Ophthalmology, Pc Dba Klamath Eye Center, Klamath Falls, OR 97601
Phone: 541-884-3148    
Teresa Roleen Graham, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 1000 Pine St, Klamath Falls, OR 97601
Phone: 541-883-1998    Fax: 541-850-5226
Dr. Daniel Orville Benson, M.D.
Ophthalmology
Medicare: Not Enrolled in Medicare
Practice Location: 2615 Almond St, Klamath Falls, OR 97601
Phone: 541-883-3688    Fax: 541-883-3687

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.