Active NPI 1346403961 Individual Practitioner Male Practitioner

Dr. Jonathan S Chang , MD

Ophthalmology • Middleton, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Jonathan Chang, MD is a certified Ophthalmology practicing in Middleton, WI. With approximately 18 years of clinical experience since graduating from Columbia University College Of Physicians And Surgeons in 2008, Dr. Chang delivers high-quality medical care to the local community at 2349 DEMING WAY.

Dr. Chang is affiliated with University Of Wisconsin Medical Foundation Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include imaging of retina, established patient outpatient office visit, injection of drug into eye. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2349 Deming Way

Middleton, WI 535625530

Telephone 6088243937

Fax 6088333326

Associated Practice Facility / Clinic

🏢 Transformations Surgery Center, Inc. Facility NPI 1497859540

Medicare Profile & Education

Medical School

Columbia University College Of Physicians And Surgeons

Graduation Year

2008

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Middleton, WI

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

18 Yrs -3.8 yrs vs City Avg

City Avg: 21.8 Yrs

State Avg: 25.3 Yrs

Regional Practice Density

7 Specialists

Practicing in Middleton, WI (464 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

90.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chang (18 Years) 18 Yrs

Middleton Specialty Average (21.8 Years) 21.8 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
92134 Imaging of retina	1,128	484	$164.29	$29.12
99213 Established patient office or other outpatient visit, typically 15 minutes	842	428	$234.00	$71.40
67028 Injection of drug into eye	589	158	$1732.70	$105.31
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	387	284	$35.00	$15.61
J0178 Injection, aflibercept, 1 mg	378	41	$2759.32	$814.74
92201 Extended exam of the back part of the eye with retinal drawing	159	157	$172.00	$22.26
J9035 Injection, bevacizumab, 10 mg	101	33	$132.00	$68.96
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	61	56	$343.00	$100.37
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	34	34	$535.00	$136.71
67113 Complex repair of detached retina and drainage of eye fluid between lens and retina	17	11	$18738.41	$1079.49
67108 Repair of detached retina and drainage of eye fluid between lens and retina	14	12	$12135.00	$1073.30

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,232	490	$162.72	$29.26
99213 Established patient office or other outpatient visit, typically 15 minutes	803	426	$218.30	$70.46
67028 Injection of drug into eye	666	158	$1673.37	$104.13
J0178 Injection, aflibercept, 1 mg	428	42	$2774.00	$870.87
92201 Extended exam of the back part of the eye with retinal drawing	111	110	$172.00	$22.47
J9035 Injection, bevacizumab, 10 mg	96	30	$132.00	$70.21
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	73	70	$314.60	$97.63
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$494.30	$142.63
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$346.70	$96.68
67108 Repair of detached retina and drainage of eye fluid between lens and retina	13	12	$12135.00	$1105.40
67041 Removal of membrane from the retina	13	13	$10960.00	$1062.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,253	508	$159.66	$30.27
99213 Established patient office or other outpatient visit, typically 15 minutes	757	410	$204.00	$71.93
67028 Injection of drug into eye	688	169	$1710.19	$108.94
J0178 Injection, aflibercept, 1 mg	604	42	$2774.00	$901.97
J9035 Injection, bevacizumab, 10 mg	138	41	$132.00	$68.18
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	107	98	$294.00	$102.67
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	38	38	$462.00	$137.77
92201 Extended exam of the back part of the eye with retinal drawing	17	17	$172.00	$22.88
67108 Repair of detached retina and drainage of eye fluid between lens and retina	16	15	$12135.00	$1072.67
92250 Photography of the retina	13	12	$110.55	$19.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,234	457	$158.12	$30.46
99213 Established patient office or other outpatient visit, typically 15 minutes	758	399	$194.00	$73.01
67028 Injection of drug into eye	701	148	$1708.03	$110.22
J0178 Injection, aflibercept, 1 mg	620	42	$2341.81	$918.56
J9035 Injection, bevacizumab, 10 mg	107	26	$132.00	$71.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	82	76	$280.00	$103.56
92201 Extended exam of the back part of the eye with retinal drawing	25	25	$172.00	$23.24
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$440.00	$133.24
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$308.00	$99.25
67041 Removal of membrane from the retina	12	12	$10537.00	$1036.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,111	457	$131.87	$30.70
67028 Injection of drug into eye	745	161	$1636.81	$105.39
99213 Established patient office or other outpatient visit, typically 15 minutes	732	396	$185.00	$57.58
J0178 Injection, aflibercept, 1 mg	596	41	$1850.00	$930.87
J9035 Injection, bevacizumab, 10 mg	120	27	$132.00	$78.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	88	79	$266.00	$86.09
92201 Extended exam of the back part of the eye with retinal drawing	61	60	$119.00	$23.31
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	57	57	$293.00	$81.34
92202 Extended exam of the back part of the eye with optic nerve drawing	24	24	$76.00	$15.06
67113 Complex repair of detached retina and drainage of eye fluid between lens and retina	16	12	$18023.00	$1196.63
67108 Repair of detached retina and drainage of eye fluid between lens and retina	14	13	$12135.00	$1134.12
76512 Ultrasound of eye disease, growth, or structure	12	12	$457.33	$34.44
67041 Removal of membrane from the retina	11	11	$10035.00	$1112.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,518	519	$124.03	$31.44
67028 Injection of drug into eye	846	191	$1642.18	$108.44
99213 Established patient office or other outpatient visit, typically 15 minutes	739	377	$176.00	$57.57
J0178 Injection, aflibercept, 1 mg	673	49	$1850.00	$943.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	283	232	$254.00	$84.71
J9035 Injection, bevacizumab, 10 mg	190	45	$132.00	$79.94
92226 Examination of eye by ophthalmoscope with retinal drawing	95	51	$118.00	$20.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	74	74	$280.00	$85.35
92225 Examination of eye by ophthalmoscope with retinal drawing	58	33	$134.00	$23.42
92250 Photography of the retina	27	16	$92.45	$19.70
67042 Removal of membrane of retina with removal of internal limiting membrane of retina	15	13	$11680.00	$1127.27
67041 Removal of membrane from the retina	13	13	$10035.00	$1127.27
67108 Repair of detached retina and drainage of eye fluid between lens and retina	11	11	$12135.00	$1088.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,495	524	$119.80	$31.02
67028 Injection of drug into eye	939	224	$1642.79	$104.48
99213 Established patient office or other outpatient visit, typically 15 minutes	646	376	$171.00	$55.15
J0178 Injection, aflibercept, 1 mg	624	45	$1850.00	$953.16
J9035 Injection, bevacizumab, 10 mg	298	60	$131.63	$76.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	268	221	$246.00	$81.73
92226 Examination of eye by ophthalmoscope with retinal drawing	94	55	$112.00	$19.37
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	84	84	$273.00	$80.50
92250 Photography of the retina	31	23	$106.47	$20.18
76512 Ultrasound of eye disease, growth, or structure	22	15	$541.95	$51.59
92225 Examination of eye by ophthalmoscope with retinal drawing	20	15	$140.70	$23.26
67108 Repair of detached retina and drainage of eye fluid between lens and retina	20	19	$12135.00	$1073.97
92235 Exam of retinal blood vessels using a special camera after injection of a dye	15	15	$278.13	$46.69
67036 Removal of eye fluid (vitreous) between the lens and retina	13	11	$8848.00	$597.62
92136 Measurement of corneal curvature and depth of eye	13	13	$93.00	$29.85
67145 Photocoagulation treatment to prevent detachment of retina	13	13	$3565.00	$471.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,044	383	$121.14	$30.77
99213 Established patient office or other outpatient visit, typically 15 minutes	631	336	$165.00	$56.45
67028 Injection of drug into eye	591	155	$1612.34	$102.79
J0178 Injection, aflibercept, 1 mg	350	39	$1850.00	$962.30
92226 Examination of eye by ophthalmoscope with retinal drawing	220	111	$112.51	$20.08
J9035 Injection, bevacizumab, 10 mg	189	58	$130.92	$72.76
92225 Examination of eye by ophthalmoscope with retinal drawing	128	74	$135.05	$22.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	98	98	$263.00	$85.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	42	40	$237.00	$82.20
67108 Repair of detached retina and drainage of eye fluid between lens and retina	23	23	$12135.00	$1092.39
92250 Photography of the retina	19	16	$169.27	$42.10
92235 Exam of retinal blood vessels using a special camera after injection of a dye	15	15	$341.33	$51.64
67041 Removal of membrane from the retina	15	15	$9557.00	$1073.99
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$376.00	$142.00

Medical Specialties & State Licenses

CMS Verified: 2021-02-01

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License WI 66356

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.

Ophthalmology

NUCC Taxonomy Code: 207W00000X

State License NY 275254

Ophthalmology

NUCC Taxonomy Code: 207W00000X

State License FL ME112267

Hospital & Practice Group Affiliations

University Of Wisconsin Medical Foundation Inc

7019 Rote Rd, Rockford, IL 611072611

Phone: 8153991141

University Of Wisconsin Medical Foundation Inc

1040 Division St, Mauston, WI 539481931

Phone: 6088477355

Practice Associates & Co-Workers

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

6 Associated Practitioners

Dr. Sanbrita Mondal , OD

Optometrist

NPI 1093022584

Doctor of Optometry

Dr. Tracy Klein , OD

Optometrist

NPI 1184630360

Doctor of Optometry

Dr. John Temprano , MD

Ophthalmology

NPI 1497722482

Doctor of Medicine (M.D.)

Dr. Travis Rumery , DO

Ophthalmology

NPI 1639389141

Doctor of Osteopathic Medicine (D.O.)

Dr. Norbert Toussaint , MD

Ophthalmology

NPI 1811966138

Doctor of Medicine (M.D.)

Dr. Jennifer Larson , MD

Ophthalmology

NPI 1962820027

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active November 07, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location November 07, 2016

Registered at 2349 DEMING WAY, MIDDLETON, WI 535625530 (Tel: 6088243937)

📍

Updated Business Mailing Address November 07, 2016

Registered at 7974 UW HEALTH CT, MIDDLETON, WI 535625531

👤

Provider Name / Credentials Updated November 07, 2016

Recorded as JONATHAN CHANG, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 07, 2016

Ophthalmology (License #66356 in WI)

🟢

Initial NPI Registration & Enumeration July 03, 2008

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: 1346403961

Entity Type:

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

Enumeration Date: July 03, 2008

Last Update: February 01, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

7974 Uw Health Ct

Middleton, WI 535625531

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.