Active NPI 1215993530 Individual Practitioner Male Practitioner

Dr. Mark A Kornaus , OD

Optometrist • Madison, WI

✓ Accepts Medicare Assignment

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Dr. Mark Kornaus, OD is a registered Optometrist practitioner in Madison, WI. With approximately 42 years of clinical practice since completing medical education in 1984, Dr. Kornaus provides healthcare services at the registered practice location at 1821 S STOUGHTON RD.

Dr. Kornaus maintains professional affiliations with Southwestern Eye Center Ltd, Dean Health Systems Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include removal of cataract with insertion of lens, established patient outpatient office visit, imaging of retina. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1821 S Stoughton Rd

Madison, WI 537162257

Telephone 6082606000

Fax 6082606716

Associated Practice Facility / Clinic

🏢 Dean Health Systems, Inc Facility NPI 1578570974

Medicare Profile & Education

Medical School

Other

Graduation Year

1984

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Madison, WI

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

42 Yrs +22.8 yrs vs City Avg

City Avg: 19.2 Yrs

State Avg: 21.0 Yrs

Regional Practice Density

78 Specialists

Practicing in Madison, WI (1196 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

75.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Kornaus (42 Years) 42 Yrs

Madison Specialty Average (19.2 Years) 19.2 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
66984 Removal of cataract with insertion of lens	2,700	21	$84.70	$1.12
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	413	397	$361.00	$120.54
99213 Established patient office or other outpatient visit, typically 15 minutes	62	56	$228.32	$86.44
92134 Imaging of retina	37	36	$217.57	$37.97
92133 Imaging of optic nerve	32	32	$210.00	$32.90
92083 Exam of visual field with extended testing	21	21	$394.00	$59.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$336.53	$104.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
66984 Removal of cataract with insertion of lens	4,319	34	$78.26	$1.17
66821 Removal of recurring cataract in lens capsule using a laser	1,530	16	$47.65	$8.97
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	676	632	$335.46	$121.80
92134 Imaging of retina	62	57	$186.00	$38.61
92133 Imaging of optic nerve	57	56	$175.00	$33.60
99213 Established patient office or other outpatient visit, typically 15 minutes	48	43	$234.44	$86.31
92083 Exam of visual field with extended testing	48	46	$336.00	$60.29
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$336.00	$106.25
92012 Established patient problem focused exam of visual system	14	14	$239.43	$86.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
66984 Removal of cataract with insertion of lens	4,140	33	$67.86	$1.14
66821 Removal of recurring cataract in lens capsule using a laser	1,080	12	$42.83	$0.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	637	608	$314.00	$123.21
99213 Established patient office or other outpatient visit, typically 15 minutes	96	76	$212.00	$86.42
92133 Imaging of optic nerve	55	55	$173.00	$33.67
92083 Exam of visual field with extended testing	53	49	$308.00	$60.52
92134 Imaging of retina	51	47	$175.00	$38.76
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	23	23	$308.00	$106.73

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
66984 Removal of cataract with insertion of lens	4,499	33	$64.25	$1.17
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	731	698	$295.00	$125.03
99213 Established patient office or other outpatient visit, typically 15 minutes	147	110	$201.00	$88.27
92133 Imaging of optic nerve	62	62	$166.00	$34.24
92134 Imaging of retina	59	50	$158.00	$39.47
92083 Exam of visual field with extended testing	58	57	$279.00	$61.54
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	29	29	$296.00	$108.00
92012 Established patient problem focused exam of visual system	11	11	$220.00	$81.54

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
66984 Removal of cataract with insertion of lens	2,522	20	$66.76	$1.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	631	598	$281.00	$105.80
99213 Established patient office or other outpatient visit, typically 15 minutes	92	79	$191.00	$71.35
92134 Imaging of retina	63	56	$144.00	$39.41
92133 Imaging of optic nerve	56	56	$151.00	$34.69
92083 Exam of visual field with extended testing	52	50	$276.00	$62.01
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	36	36	$282.00	$104.08
92014 Established patient complete exam of visual system	33	33	$312.00	$123.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
66984 Removal of cataract with insertion of lens	3,384	28	$70.74	$1.39
66821 Removal of recurring cataract in lens capsule using a laser	934	11	$28.71	$0.72
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	572	549	$275.59	$105.18
92014 Established patient complete exam of visual system	140	140	$187.54	$123.21
99213 Established patient office or other outpatient visit, typically 15 minutes	115	98	$187.00	$70.99
92133 Imaging of optic nerve	69	68	$167.08	$34.95
92134 Imaging of retina	62	54	$159.05	$39.90
92083 Exam of visual field with extended testing	48	47	$310.00	$62.69
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$273.00	$104.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
66984 Removal of cataract with insertion of lens	4,391	33	$71.44	$1.45
92014 Established patient complete exam of visual system	391	391	$184.00	$126.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	348	327	$273.00	$108.02
99213 Established patient office or other outpatient visit, typically 15 minutes	156	126	$184.00	$73.03
92134 Imaging of retina	74	64	$161.00	$41.88
92133 Imaging of optic nerve	66	65	$161.00	$36.37
92083 Exam of visual field with extended testing	45	44	$300.00	$65.11
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$267.00	$106.94
92004 New patient complete exam of visual system	23	23	$255.00	$151.43
92012 Established patient problem focused exam of visual system	18	18	$150.00	$88.83
99202 New patient office or other outpatient visit, typically 20 minutes	14	14	$199.00	$74.45
92002 New patient problem focused exam of visual system	13	13	$194.00	$83.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
66984 Removal of cataract with insertion of lens	6,295	47	$71.91	$1.37
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	430	410	$267.00	$103.42
92014 Established patient complete exam of visual system	270	270	$180.00	$119.15
99213 Established patient office or other outpatient visit, typically 15 minutes	159	123	$180.00	$70.01
92134 Imaging of retina	79	71	$161.00	$39.19
92133 Imaging of optic nerve	64	62	$156.13	$33.47
92083 Exam of visual field with extended testing	55	50	$292.47	$61.00
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	39	39	$261.00	$103.15
99202 New patient office or other outpatient visit, typically 20 minutes	16	16	$199.00	$69.23
92004 New patient complete exam of visual system	12	12	$250.00	$143.53

Medical Specialties & State Licenses

CMS Verified: 2020-12-03

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License WI 2011-035

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

1215993530 (WI)

Hospital & Practice Group Affiliations

Dean Health Systems Inc

515 22nd Ave, Monroe, WI 535661569

Phone: 6083242000

Dean Health Systems Inc

3200 E Racine St, Janesville, WI 535462343

Phone: 6083718000

Southwestern Eye Center Ltd

4760 E Falcon Dr, Mesa, AZ 852152528

Phone: 4809857400

Southwestern Eye Center Ltd

1121 S Gilbert Rd, Mesa, AZ 852045235

Phone: 4808543310

Dean Health Systems Inc

752 N High Point Rd, Madison, WI 537172236

Phone: 6088244000

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Nathan Jung , MD

Urology

NPI 1003229055

Doctor of Medicine (M.D.)

Dr. Yingyu Gao , MD

Allergy & Immunology

NPI 1003435058

Doctor of Medicine (M.D.)

Dr. Maria Din , DO

Family Medicine

NPI 1013351055

Doctor of Osteopathic Medicine (D.O.)

Jessica Poirier

Family Medicine

NPI 1013655448

Dr. Rosa Gilestra , MD

Family Medicine

NPI 1013952894

Doctor of Medicine (M.D.)

Tracy Todorovic , SLP

Speech-Language Pathologist

NPI 1023685542

Speech-Language Pathologist

Career & Practice History Timeline

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

11 Historical Events

✅

NPI Profile Active January 17, 2018

NPI status registered as active in NPPES database

📍

Updated Practice Location January 17, 2018

Registered at 1821 S STOUGHTON RD, MADISON, WI 537162257 (Tel: 6082606000)

📍

Updated Business Mailing Address January 17, 2018

Registered at 1821 S STOUGHTON RD, DEAN MEDICAL CENTER, MADISON, WI 537162257 (Tel: 6082606000)

👤

Provider Name / Credentials Updated January 17, 2018

Recorded as MARK KORNAUS, OD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 17, 2018

Optometrist (License #2011-035 in WI)

✅

NPI Profile Active May 09, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location May 09, 2008

Registered at 1821 S STOUGHTON RD, DEAN MEDICAL CENTER, MADISON, WI 537162257 (Tel: 6082606000)

📍

Updated Business Mailing Address May 09, 2008

Registered at 1821 S STOUGHTON RD, DEAN MEDICAL CENTER, MADISON, WI 537162257 (Tel: 6082606000)

👤

Provider Name / Credentials Updated May 09, 2008

Recorded as MARK KORNAUS, OD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 09, 2008

Optometrist (License #2011-035 in WI)

🟢

Initial NPI Registration & Enumeration April 25, 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: 1215993530

Entity Type:

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

Enumeration Date: April 25, 2006

Last Update: December 03, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1821 S Stoughton Rd, Dean Medical Center

Madison, WI 537162257

Phone: 6082606000

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.