Dr. Mark Terrence Fay is a Klamath Falls, Oregon based male Ophthalmologist with 50 years of experience in Ophthalmology. He completed his graduation from University Of Washington School Of Medicine in 1976. He is also affiliated with hospitals like Modoc Medical Center and Sky Lakes Medical Center. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Mark Terrence Fay is MD16253 for Ophthalmology in Oregon.
Dr. Mark Terrence Fay is medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, patients can be prescribed vision services, including glasses and contact lenses.
Complete Profile:
Dr. Mark Terrence Fay speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
| Specialization: | Ophthalmology |
| Credentials: | M.D. |
| Experience: | 50+ years |
| Medical School Attended: | University Of Washington School Of Medicine |
| Graduation Year: | 1976 |
| Gender: | Male |
| Accepts Medicare Assignment: | Yes |
| Practice Address: | 2640 Biehn St, Klamath Falls,
Oregon, 97601-1181 |
| Phone: | 541-884-3148 |
| Fax: | 541-884-3373 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| PAC ID: | 5395636336 |
| Enrollment ID: | I20040820000231 |
| NPI Number: | 1972563781 |
| NPI Enumeration Date: | 24 Mar, 2006 |
| NPI Last Update On: | 11 Feb, 2021 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Mark Terrence Fay are as mentioned below.
| License Number | Specialization | State | Status | |
| MD16253 | Ophthalmology | Oregon | Primary | |
| G58765 | Ophthalmology | California | Secondary | |
Hospital Affiliation:
Surgeons are affiliated to many hospitals whom they worked with in the past or are presently working with. One surgeon can be affiliated to four to five hospitals at a time.
| Hospital Name (CCN) | State | Hospital Type |
| Modoc Medical Center (051330) | Alturas, CA | Critical Access Hospital |
| Sky Lakes Medical Center (380050) | Klamath falls, OR | Acute Care Hospital |
Group Practice:
Group practices are run by a group of physicians who share their premises and other resources. Following list states all the group name
with which Dr. Mark Terrence Fay has association with along with the number of members in that group.
| Organization Name (Group PAC ID) | Members |
| Klamath Ophthalmology Pc (4284620006) | 7 |
| Fay, Fay And Stevens Inc. (6002236148) | 3 |
| Klamath Ophthalmology Pc (4284620006) | 7 |
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. Mark Terrence Fay such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| F2640501647611 | Other | Oregon | VISION SERVICE PLAN |
| A002 | Other | Oregon | TRICARE |
| XPY094350 | Other | California | MEDI-CAL |
| 004571003 | Other | Oregon | BCBS |
| 042937 | Medicaid | Oregon | |
| 180011820 | Other | Oregon | RAILROAD MEDICARE |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 2640 Biehn St,
Klamath Falls, Oregon |
| Zip: | 97601-1181 |
| Phone Number: | 541-884-3148 |
| Fax Number: | 541-884-3373 |
Patients can reach Dr. Mark Terrence Fay at
2640 Biehn St, Klamath Falls, Oregon or can
call to book an appointment on 541-884-3148.
Comments/ Reviews:
Patients can read all the reviews posted for Dr. Mark Terrence Fay below. You may also share your own experience like the quality of treatment, behavior, and overall care provided by Dr. Mark Terrence Fay. It will help others make informed decisions.
** Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.