Active NPI 1083688931 Individual Practitioner Male Practitioner

Dr. Cay Michael Mierisch , MD

Orthopaedic Surgery • Corvallis, OR

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Cay Mierisch, MD is a certified Orthopaedic Surgery practicing in Corvallis, OR. With approximately 32 years of clinical experience since completing medical education in 1994, Dr. Mierisch delivers high-quality medical care to the local community at 3620 NW SAMARITAN DR STE 201.

Dr. Mierisch maintains professional affiliations with Good Samaritan Hospital Corvallis, Albany General Hospital and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, injection, triamcinolone acetonide, not otherwise specified, 10 mg, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3620 Nw Samaritan Dr Ste 201

Corvallis, OR 973303785

Telephone 5417686300

Associated Practice Facility / Clinic

🏢 Good Samaritan Hospital Corvallis Facility NPI 1598476954

Medicare Profile & Education

Medical School

Other

Graduation Year

1994

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Corvallis, OR

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

32 Yrs +9.6 yrs vs City Avg

City Avg: 22.4 Yrs

State Avg: 26.4 Yrs

Regional Practice Density

37 Specialists

Practicing in Corvallis, OR (360 Statewide)

Telehealth Adoption Rate

2.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

78.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mierisch (32 Years) 32 Yrs

Corvallis Specialty Average (22.4 Years) 22.4 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	204	150	$350.00	$123.49
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	123	62	$5.00	$0.96
99213 Established patient office or other outpatient visit, typically 15 minutes	108	81	$240.00	$87.36
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	95	95	$441.00	$159.04
20610 Aspiration and/or injection of fluid from large joint	49	37	$279.98	$65.09
23472 Prosthetic repair of shoulder joint, total shoulder	23	21	$5946.00	$1370.17
23405 Incision of shoulder tendon	21	20	$2570.00	$296.93
20550 Injection into tendon or ligament	18	16	$247.69	$54.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	184	79	$5.00	$1.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	167	121	$318.00	$120.26
99213 Established patient office or other outpatient visit, typically 15 minutes	104	79	$224.00	$84.32
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	101	101	$470.00	$157.64
20610 Aspiration and/or injection of fluid from large joint	71	47	$293.92	$57.12
20550 Injection into tendon or ligament	29	20	$250.00	$46.74
23472 Prosthetic repair of shoulder joint, total shoulder	26	26	$6217.00	$1362.85
64721 Release and/or relocation of hand nerve	21	19	$1927.00	$416.68
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$308.00	$107.44
29823 Removal of extensive shoulder joint tissue using an endoscope	12	12	$2567.00	$191.61
20600 Aspiration and/or injection of fluid from small joint	12	12	$269.50	$57.03
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	11	11	$738.00	$160.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	139	86	$5.00	$1.14
99213 Established patient office or other outpatient visit, typically 15 minutes	133	94	$257.00	$87.28
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	96	87	$365.00	$120.19
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	77	77	$471.00	$158.50
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	59	59	$315.00	$106.17
20610 Aspiration and/or injection of fluid from large joint	42	40	$249.94	$62.03
20600 Aspiration and/or injection of fluid from small joint	30	19	$201.00	$42.36
20550 Injection into tendon or ligament	28	25	$217.00	$52.15
20605 Aspiration and/or injection of medium joint or joint capsule	15	12	$236.87	$56.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	147	130	$131.54	$72.51
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	112	112	$207.89	$93.43
20610 Aspiration and/or injection of fluid from large joint	93	82	$91.13	$52.32
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	82	72	$166.32	$105.28
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	69	45	$5.00	$1.32
99441 Telephone medical discussion with physician, 5-10 minutes	54	52	$68.76	$37.76
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	50	50	$349.50	$149.44
20550 Injection into tendon or ligament	33	31	$100.42	$42.81
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	29	27	$46.90	$36.69
20605 Aspiration and/or injection of medium joint or joint capsule	24	21	$79.63	$40.19
20600 Aspiration and/or injection of fluid from small joint	19	16	$130.00	$42.09
23472 Prosthetic repair of shoulder joint, total shoulder	17	17	$3607.71	$1456.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	164	132	$69.58	$51.56
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	159	130	$101.74	$79.24
20610 Aspiration and/or injection of fluid from large joint	123	101	$69.98	$49.55
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	76	76	$103.16	$75.75
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	51	51	$156.24	$129.09
23472 Prosthetic repair of shoulder joint, total shoulder	36	36	$3136.00	$1487.41
20550 Injection into tendon or ligament	34	24	$50.00	$36.04
99441 Telephone medical discussion with physician, 5-10 minutes	17	17	$51.59	$25.91
29848 Release of wrist ligament using an endoscope	17	16	$1020.71	$497.47
29823 Removal of extensive shoulder joint tissue using an endoscope	16	16	$1346.00	$220.31
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	14	14	$1447.00	$177.93
23600 Closed treatment of broken top of upper arm bone	12	12	$287.92	$259.73
29828 Release of shoulder biceps tendon using an endoscope	11	11	$1817.00	$630.96

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	260	190	$94.73	$78.17
99213 Established patient office or other outpatient visit, typically 15 minutes	167	137	$66.84	$50.43
20610 Aspiration and/or injection of fluid from large joint	133	112	$70.58	$49.33
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	83	83	$99.35	$74.79
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	68	68	$149.24	$127.34
23472 Prosthetic repair of shoulder joint, total shoulder	45	45	$3094.18	$1434.10
29823 Removal of extensive shoulder joint tissue using an endoscope	29	28	$1346.00	$209.56
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	27	26	$1447.00	$177.16
29848 Release of wrist ligament using an endoscope	21	20	$964.00	$477.66
29827 Repair of shoulder rotator cuff using an endoscope	20	19	$2366.00	$1022.61
20550 Injection into tendon or ligament	19	16	$53.95	$35.50
29824 Partial removal of collar bone at shoulder using an endoscope	17	16	$1378.00	$299.00
20600 Aspiration and/or injection of fluid from small joint	17	11	$47.65	$30.85
29828 Release of shoulder biceps tendon using an endoscope	16	15	$1817.00	$479.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	237	175	$96.66	$77.23
99213 Established patient office or other outpatient visit, typically 15 minutes	185	151	$66.43	$50.66
20610 Aspiration and/or injection of fluid from large joint	121	107	$70.64	$49.82
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	80	80	$97.81	$76.18
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	76	76	$147.53	$127.61
23472 Prosthetic repair of shoulder joint, total shoulder	37	37	$3136.00	$1412.12
20550 Injection into tendon or ligament	27	19	$55.56	$35.96
29823 Removal of extensive shoulder joint tissue using an endoscope	24	24	$1346.00	$190.85
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	21	21	$1447.00	$162.67
29827 Repair of shoulder rotator cuff using an endoscope	18	18	$2366.00	$1002.70
29848 Release of wrist ligament using an endoscope	18	16	$964.00	$452.97
20605 Aspiration and/or injection of medium joint or joint capsule	17	15	$57.71	$33.30
29828 Release of shoulder biceps tendon using an endoscope	15	15	$1817.00	$443.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	380	253	$95.16	$77.23
20610 Aspiration and/or injection of fluid from large joint	182	145	$70.03	$48.73
99213 Established patient office or other outpatient visit, typically 15 minutes	169	132	$67.08	$50.11
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	129	129	$147.23	$127.53
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	56	56	$97.00	$75.69
23472 Prosthetic repair of shoulder joint, total shoulder	46	44	$3136.00	$1454.16
29823 Removal of extensive shoulder joint tissue using an endoscope	24	24	$1346.00	$225.25
20550 Injection into tendon or ligament	24	22	$50.00	$36.93
20600 Aspiration and/or injection of fluid from small joint	22	15	$56.18	$30.39
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	21	21	$1447.00	$176.51
20605 Aspiration and/or injection of medium joint or joint capsule	21	17	$57.19	$36.03
29848 Release of wrist ligament using an endoscope	16	14	$964.00	$493.07
29827 Repair of shoulder rotator cuff using an endoscope	13	13	$2366.00	$1054.06
29828 Release of shoulder biceps tendon using an endoscope	13	13	$1817.00	$692.15

Medical Specialties & State Licenses

CMS Verified: 2021-08-13

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License OR MD205645

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.

Orthopaedic Surgery

NUCC Taxonomy Code: 207X00000X

State License VA 0101-237955

Orthopaedic Surgery - Hand Surgery

NUCC Taxonomy Code: 207XS0106X

State License VA 0101237955

An orthopaedic surgeon trained in the investigation, preservation and restoration by medical, surgical and rehabilitative means of all structures of the upper extremity directly affecting the form and function of the hand and wrist.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

1083688931 (VA)

Commercial Insurance / Payer ID Cigna

1083688931 (VA)

Commercial Insurance / Payer ID Medicaid Of North Carolina

1083688931 (VA)

Commercial Insurance / Payer ID Umwa

1083688931 (VA)

Commercial Insurance / Payer ID Healthkeepers

1083688931 (VA)

Commercial Insurance / Payer ID Va Premier

1083688931 (VA)

Commercial Insurance / Payer ID United Healthcare

1083688931 (VA)

Commercial Insurance / Payer ID Medicaid Of West Virginia

3810010052 (VA)

Commercial Insurance / Payer ID Railroad Medicare

P00239901 (VA)

Commercial Insurance / Payer ID Healthkeepers Plus

1083688931 (VA)

Hospital & Practice Group Affiliations

Albany General Hospital

400 Hickory St Nw, Albany, OR 973211700

Albany General Hospital

534 Pleasant View Way Nw, Albany, OR 973211700

Good Samaritan Hospital Corvallis

3620 Nw Samaritan Dr, Corvallis, OR 973304714

Albany General Hospital

705 Elm St Sw, Albany, OR 973211957

Phone: 5418124850

Good Samaritan Hospital Corvallis

3600 Nw Samaritan Dr, Corvallis, OR 973303737

Phone: 5417681261

Good Samaritan Hospital Corvallis

3600 Nw Samaritan Dr, Corvallis, OR 973303737

Secondary Practice Locations

2331 Franklin Rd Sw

Roanoke, VA 240141111

Phone: 5407251226

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

11 Associated Practitioners

Dr. Leon Malkin , MD

Orthopaedic Surgery

NPI 1134142649

Doctor of Medicine (M.D.)

Jonathan Barthel , OTR, CHT

Physical Therapist - Hand

NPI 1174566293

Occupational Therapist Registered, Certified Hand Therapist

Donovan Williams , PA-C

Physician Assistant

NPI 1265948046

Physician Assistant (Certified)

Carlie Falk

Physician Assistant

NPI 1336867878

Sydney Johnstone , PA-C

Physician Assistant

NPI 1447576541

Physician Assistant (Certified)

Kerri Vela , PA-C

Physician Assistant

NPI 1487839544

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events

📍

Updated Practice Location August 13, 2021

Registered at 3620 NW SAMARITAN DR STE 201, CORVALLIS, OR 973303785 (Tel: 5417686300)

📍

Updated Business Mailing Address August 13, 2021

Registered at PO BOX 1189, CORVALLIS, OR 973391189

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 13, 2021

Orthopaedic Surgery (License #MD205645 in OR)

✅

NPI Profile Active June 09, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location June 09, 2016

Registered at 2331 FRANKLIN RD SW, ROANOKE, VA 240141111 (Tel: 5407251226)

📍

Updated Business Mailing Address June 09, 2016

Registered at 2331 FRANKLIN RD SW, ROANOKE, VA 240141111 (Tel: 5407251226)

👤

Provider Name / Credentials Updated June 09, 2016

Recorded as CAY MIERISCH, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 09, 2016

Orthopaedic Surgery (License #0101-237955 in VA)

🟢

Initial NPI Registration & Enumeration February 16, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1083688931

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: February 16, 2006

Last Update: August 13, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 1189

Corvallis, OR 973391189

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.