Active NPI
Klamath Ophthalmology PC
Doing business as Benson Eye Center
- Ophthalmology Physician
- Klamath Falls, OR
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Ophthalmology Physician
- Legal business name
- KLAMATH OPHTHALMOLOGY PC
- Doing business as
- Benson Eye Center
- Practice address
- 2615 Almond St
Klamath Falls, OR 97601-1176 - Phone
- (541) 883-3688
- Fax
- (541) 883-3687
- NPI assigned
- Apr 3, 2013
- Last updated
- Sep 23, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Mr. Mark Terrence Fay, MD
- Title
- Owner
- Phone
- (541) 884-3148
Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Optometrist | 152W00000X | |||
| Ophthalmology Physician | 207W00000X | Primary |
Addresses
Primary practice location
2615 Almond St
Klamath Falls, OR 97601-1176
Mailing address
2640 Biehn St Ste 3
Klamath Falls, OR 97601-1181
Phone (541) 884-3148
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 057232 | Medicaid | OR |
Other names 1
- Benson Eye Center
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in OR
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| O20040426000217 | OR | Part B Supplier - Clinic/Group Practice | 4284620006 |
Receives reassigned benefits from 10 practitioners 4 other NPIs on this enrollment This NPI is an additional NPI on the enrollment Practice locations: Klamath Falls, OR; Lakeview, OR |
Other NPIs on the same Medicare enrollment 3
NPIs listed together on one Medicare enrollment, typically parts of the same organization.
-
dba Klamath Eye Center
- Ophthalmology Physician
- Klamath Falls, OR
- NPI 1730148271
O20040426000217
-
dba Downtown Optical
- Optometrist
- Klamath Falls, OR
- NPI 1902041676
O20040426000217
-
dba Lakeview Eye Center
- Optometrist
- Lakeview, OR
- NPI 1730586918
O20040426000217
National Provider Directory
National Provider DirectoryPractitioners & affiliated clinicians
Practitioners 4
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Ophthalmology Physician
- Klamath Falls, OR
- NPI 1972563781
-
- Ophthalmology Physician
- Klamath Falls, OR
- NPI 1306055413
-
- Optometrist
- Klamath Falls, OR
- NPI 1447219977
-
- Optometrist
- Hixson, TN
- NPI 1023530151
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1364947200000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1790121600000",
"number": "1962745414",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2640 BIEHN ST STE 3",
"city": "KLAMATH FALLS",
"state": "OR",
"postal_code": "976011181",
"telephone_number": "541-884-3148",
"fax_number": "541-884-3373"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2615 ALMOND ST",
"city": "KLAMATH FALLS",
"state": "OR",
"postal_code": "976011176",
"telephone_number": "541-883-3688",
"fax_number": "541-883-3687"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "KLAMATH OPHTHALMOLOGY PC",
"organizational_subpart": "NO",
"enumeration_date": "2013-04-03",
"last_updated": "2026-09-23",
"certification_date": "2026-09-23",
"status": "A",
"authorized_official_last_name": "FAY",
"authorized_official_first_name": "MARK",
"authorized_official_middle_name": "TERRENCE",
"authorized_official_title_or_position": "OWNER",
"authorized_official_telephone_number": "541-884-3148",
"authorized_official_name_prefix": "Mr.",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": null,
"license": null,
"primary": false
},
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "057232",
"state": "OR"
}
],
"endpoints": [],
"other_names": [
{
"organization_name": "Benson Eye Center",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in Klamath Falls, OR
- Klamath Health Partnership, Inc.
- Klamath Hospice, Inc.
- Klamath Medical Clinic PC
- Klamath Ophthalmology PC (Klamath Eye Center)
- Klamath Ophthalmology PC (Downtown Optical)
- Klamath Orthopedic Clinic PC
- Klamath Pain Clinic PC
- Klamath Pathology Associates, PC
- Klamath Pediatric Clinic, PC
- Klamath Physician Assistants LLC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.