CAY MICHAEL MIERISCH MD
NPI 1083688931
Orthopaedic Surgery in Corvallis, OR

Active since February 16, 2006PECOS EnrolledAccepts Medicare Assignment
98.71/100
CMS Quality Rating
3620 NW SAMARITAN DR STE 201, CORVALLIS, OR 97330(541) 768-6300 Get Directions Write a Review

NPPES record last updated: August 13, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Cay Michael Mierisch Md NPPES

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

CAY MICHAEL MIERISCH MD (NPI 1083688931) is an individual orthopaedic surgery provider in Corvallis, Oregon, licensed in Oregon (MD205645) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Good Samaritan Regional Medical Center, and maintains a secondary practice location in Roanoke.

NPPES Registry Identity

NPI1083688931
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameCAY MICHAEL MIERISCHCredential: MD
Location Address3620 NW SAMARITAN DR STE 201Corvallis, OR 97330-3785
Mailing AddressPo Box 1189Corvallis, OR 97339-1189
Sole ProprietorNo
Medical School CMSOtherGraduated 1994
Enumeration DateFebruary 16, 2006
Last NPPES UpdateAugust 13, 2021
NPPES CertifiedAugust 13, 2021
NPI 1083688931 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses Licensed in OR · MD205645 Licensed in VA · 0101-237955
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Also ListedOrthopaedic Surgery · Hand SurgeryTaxonomy 207XS0106X · License 0101237955 (VA)
3620 NW SAMARITAN DR STE 201, Corvallis, OR 97330

Secondary Practice Location 1

Location 12331 Franklin Rd SWRoanoke, VA 24014-1111 · Phone (540) 725-1226 · Fax (540) 857-5306

Other Identifiers 20

Other1083688931VA · Va Premier
Other1083688931VA · Cigna
Other1083688931VA · Medicaid Of North Carolina
Other371194700VA · Black Lung
Other1083688931VA · Gateway
Other1083688931VA · Humana Medicare
Other1083688931VA · Umwa
Other1083688931VA · Healthkeepers
Other3810010052VA · Medicaid Of West Virginia
Other540506332004VA · Tricare/champus
Other1083688931VA · Anthem
OtherP00239901VA · Railroad Medicare
Other1083688931VA · Optima Health Plan
Other1083688931VA · Intotal
Other1083688931VA · Healthkeepers Plus
Other1083688931VA · United Healthcare
Other1083688931VA · Southern Health/carenet/carelink/coventry
Other1083688931VA · Aetna
Other1083688931VA · Virginia Health Network
Medicaid1083688931VA

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

Cay Michael Mierisch Md 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 ID2264407576
PECOS Enrollment IDI20210806001469
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 8

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.

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.
204 services150 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
123 services62 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.
108 services81 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
95 services95 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
49 services37 patients
Prosthetic repair of shoulder joint, total shoulder 23472
Total shoulder prosthetic repair is a surgical procedure to replace a damaged shoulder joint with artificial components. It aims to relieve pain and restore mobility. The procedure involves replacing the ball (humeral head) and socket (glenoid) of the shoulder joint.
23 services21 patients

Hospital Affiliations CMS Care Compare 5

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

Good Samaritan Regional Medical Center

Acute Care Hospitals · Corvallis, OR
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380014
Location3600 NW Samaritan DriveCorvallis, OR 97330 · Benton County
Emergency services Birthing friendly

Samaritan Albany General Hospital

Acute Care Hospitals · Albany, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number380022
Location1046 6th Avenue SWAlbany, OR 97321 · Linn County
Emergency services Birthing friendly

Samaritan North Lincoln Hospital

Critical Access Hospitals · Lincoln City, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number381302
Location3043 NE 28th StreetLincoln City, OR 97367 · Lincoln County
Emergency services Birthing friendly

Samaritan Pacific Community Hospital

Critical Access Hospitals · Newport, OR
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number381314
Location930 SW Abbey StreetNewport, OR 97365 · Lincoln County
Emergency services Birthing friendly

Samaritan Lebanon Community Hospital

Critical Access Hospitals · Lebanon, OR
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number381323
Location525 N Santiam HighwayLebanon, OR 97355 · Linn County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97330 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
$84.82 typical visit price
range $54.96 – $166.64
Typical copayment $21.20 (range $13.74 – $41.66)
Most-billed visit code 99203
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.

98.71/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality87.18
Promoting Interoperability100
Improvement Activities40
Cost91.87

Referred Medical Equipment & Supplies CMS DME claims 2

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

Wrist hand orthosis, wrist extension control cock-up, non molded, prefabricated, off-the-shelf L3908
DME-Orthotic Devices · category DF000N
1 supplier21 claims23 services$60.67 avg. paid by Medicare
Hand finger orthosis, without joints, may include soft interface, straps, prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise L3923
DME-Orthotic Devices · category DF000N
1 supplier11 claims15 services$69.83 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 11

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

Physical Therapist (Hand)
3620 NW SAMARITAN DR STE 201
CORVALLIS, OR 97330
Physician Assistant
3620 NW SAMARITAN DR STE 201
CORVALLIS, OR 97330
Physician Assistant
3620 NW SAMARITAN DR STE 201
CORVALLIS, OR 97330
Physician Assistant
3620 NW SAMARITAN DR STE 201
CORVALLIS, OR 97330
Physician Assistant
3620 NW SAMARITAN DR STE 201
CORVALLIS, OR 97330
Occupational Therapist
3620 NW SAMARITAN DR STE 201
CORVALLIS, OR 97330
Physical Therapist (Sports)
3620 NW SAMARITAN DR STE 201
CORVALLIS, OR 97330
Physician Assistant
3620 NW SAMARITAN DR STE 201
CORVALLIS, OR 97330

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 Cay Mierisch's NPI number?

The NPI number for Cay Mierisch is 1083688931. It was assigned to this individual provider in the NPPES registry on February 16, 2006.

Where is Cay Mierisch located?

Cay Mierisch practices at 3620 NW Samaritan Dr Ste 201, Corvallis, OR 97330. The listed phone number is (541) 768-6300.

What is Cay Mierisch's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Cay Mierisch enrolled in Medicare?

Yes. Cay Mierisch 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 Cay Mierisch accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and Regence BlueCross BlueShield of Oregon list Cay Mierisch 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 Cay Mierisch affiliated with any hospitals?

According to CMS data, Cay Mierisch is affiliated with Good Samaritan Regional Medical Center, Samaritan Albany General Hospital, Samaritan North Lincoln Hospital, Samaritan Pacific Community Hospital and Samaritan Lebanon Community Hospital.

When was this NPI record last updated?

The NPPES record for Cay Mierisch was last updated on August 13, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.