DR. MARK TERRENCE FAY M.D.
NPI 1972563781
Ophthalmology in Klamath Falls, OR

Active since March 24, 2006PECOS EnrolledAccepts Medicare Assignment
84.2/100
CMS Quality Rating
2640 BIEHN ST, KLAMATH FALLS, OR 97601(541) 884-3148(541) 884-3373 Get Directions Write a Review

NPPES record last updated: February 11, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 11, 2021, Oct 22, 2020 (2 updates tracked since 2020).

About Dr. Mark Terrence Fay M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK TERRENCE FAY M.D. (NPI 1972563781) is an individual ophthalmology provider in Klamath Falls, Oregon, licensed in Oregon (MD16253) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Sky Lakes Medical Center, and maintains a secondary practice location in Alturas.

NPPES Registry Identity

NPI1972563781
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. MARK TERRENCE FAYCredential: M.D.
Location Address2640 BIEHN STKlamath Falls, OR 97601-1181
Mailing Address2640 Biehn StKlamath Falls, OR 97601-1181 · (541) 884-3148 · Fax (541) 884-3373
Fax(541) 884-3373
Sole ProprietorNo
Medical School CMSUniversity Of Washington School Of MedicineGraduated 1976
Enumeration DateMarch 24, 2006
Last NPPES UpdateFebruary 11, 20212 updates tracked since enumeration
NPPES CertifiedFebruary 11, 2021
NPI 1972563781 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
Licenses Licensed in OR · MD16253 Licensed in CA · G58765
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are 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, an ophthalmologist prescribes vision services, including glasses and contact lenses.
2640 BIEHN ST, Klamath Falls, OR 97601

Secondary Practice Location 1

Location 11201 Thomason LnAlturas, CA 96101-3150 · Phone (530) 233-2020

Other Identifiers 6

Medicaid042937OR
OtherF2640501647611OR · Vision Service Plan
Other180011820OR · Railroad Medicare
OtherXPY094350CA · Medi-cal
Other004571003OR · Bcbs
OtherA002OR · Tricare

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark Terrence Fay M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5395636336
PECOS Enrollment IDI20040820000231
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 22

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Imaging of retina 92134
Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.
755 services392 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
581 services544 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
522 services437 patients
Injection, aflibercept, 1 mg J0178
Aflibercept injection is a treatment for certain eye conditions that affect vision. It works by blocking abnormal blood vessel growth and leakage in the eye, which can cause vision loss. The medication is administered directly into the eye by a healthcare professional.
502 services42 patients
Injection of drug into eye 67028
An injection into the eye is a procedure where a medication is delivered directly into your eye to treat various conditions. A local anesthetic is applied to numb the eye, ensuring minimal discomfort. The drug helps manage diseases like macular degeneration or diabetic retinopathy.
369 services80 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
344 services226 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sky Lakes Medical Center

Acute Care Hospitals · Klamath Falls, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380050
Location2865 Daggett AvenueKlamath Falls, OR 97601 · Klamath County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.25 typical visit price
range $54.96 – $166.64
Typical copayment $31.56 (range $13.74 – $41.66)
Most-billed visit code 99204
Established Patient
$68.64 typical visit price
range $17.68 – $136.19
Typical copayment $17.16 (range $4.42 – $34.04)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.2/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality84.94
Improvement Activities40
Cost64.61

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Frames, purchases V2020
Other-Vision, Hearing, and Speech Services · category OC000N
4 suppliers42 claims42 services$39.25 avg. paid by Medicare
Spherocylinder, single vision, plano to plus or minus 4.00d sphere, .12 to 2.00d cylinder, per lens V2103
Other-Vision, Hearing, and Speech Services · category OC000N
2 suppliers17 claims31 services$29.33 avg. paid by Medicare
Spherocylinder, bifocal, plano to plus or minus 4.00d sphere, .12 to 2.00d cylinder, per lens V2203
Other-Vision, Hearing, and Speech Services · category OC000N
2 suppliers19 claims33 services$48.95 avg. paid by Medicare
Spherocylinder, trifocal, plano to plus or minus 4.00d sphere, .12-2.00d cylinder, per lens V2303
Other-Vision, Hearing, and Speech Services · category OC000N
2 suppliers16 claims27 services$59.75 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Specialist
2640 BIEHN ST
KLAMATH FALLS, OR 97601
Clinic/Center (Ambulatory Surgical)
2640 BIEHN ST, SUITE 2
KLAMATH FALLS, OR 97601
Optometrist
2640 BIEHN ST
KLAMATH FALLS, OR 97601
Optometrist
2640 BIEHN ST
KLAMATH FALLS, OR 97601
Nurse Practitioner (Family)
2640 BIEHN ST
KLAMATH FALLS, OR 97601
Obstetrics & Gynecology
2640 BIEHN ST
KLAMATH FALLS, OR 97601
Obstetrics & Gynecology
2640 BIEHN ST, SUITE 1
KLAMATH FALLS, OR 97601
Ophthalmology
2640 BIEHN ST
KLAMATH FALLS, OR 97601

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Fay's NPI number?

The NPI number for Mark Fay is 1972563781. It was assigned to this individual provider in the NPPES registry on March 24, 2006.

Where is Mark Fay located?

Mark Fay practices at 2640 Biehn St, Klamath Falls, OR 97601. The listed phone number is (541) 884-3148.

What is Mark Fay's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Mark Fay enrolled in Medicare?

Yes. Mark Fay is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mark Fay accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Mark Fay as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mark Fay affiliated with any hospitals?

According to CMS data, Mark Fay is affiliated with Sky Lakes Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Fay was last updated on February 11, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.