Active NPI 1518162247 Individual Practitioner Male Practitioner

Dr. Benjamin John Ernst , MD

Ophthalmology - Retina Specialist • Appleton, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Benjamin Ernst, MD is a certified Ophthalmology - Retina Specialist practicing in Appleton, WI. With approximately 20 years of clinical experience since graduating from Saint Louis University School Of Medicine in 2006, Dr. Ernst delivers high-quality medical care to the local community at 442 N WESTHILL BLVD STE A.

Dr. Ernst is affiliated with Northeast Wisconsin Retina Associates Sc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, faricimab-svoa, 0.1 mg, imaging of retina, 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

442 N Westhill Blvd Ste A

Appleton, WI 549145830

Telephone 9207518666

Associated Practice Facility / Clinic

🏢 Northeast Wisconsin Retina Associates Sc Facility NPI 1437164175

Medicare Profile & Education

Medical School

Saint Louis University School Of Medicine

Graduation Year

2006

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology - Retina Specialist in Appleton, WI

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

20 Yrs +1.7 yrs vs City Avg

City Avg: 18.3 Yrs

State Avg: 21.2 Yrs

Regional Practice Density

3 Specialists

Practicing in Appleton, WI (27 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

85.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ernst (20 Years) 20 Yrs

Appleton Specialty Average (18.3 Years) 18.3 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
J2777 Injection, faricimab-svoa, 0.1 mg	6,000	24	$95.76	$34.35
92134 Imaging of retina	1,400	392	$295.00	$37.94
67028 Injection of drug into eye	1,152	227	$4327.04	$116.28
J0178 Injection, aflibercept, 1 mg	956	80	$2205.00	$827.18
J9035 Injection, bevacizumab, 10 mg	764	156	$170.00	$72.17
92012 Established patient problem focused exam of visual system	334	188	$416.00	$83.85
99213 Established patient office or other outpatient visit, typically 15 minutes	70	68	$420.00	$85.35
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	68	68	$796.00	$156.03
92004 New patient complete exam of visual system	52	52	$701.00	$141.33
92014 Established patient complete exam of visual system	46	45	$589.00	$119.34
92235 Exam of retinal blood vessels using a special camera after injection of a dye	17	17	$647.00	$153.22
67145 Photocoagulation treatment to prevent detachment of retina	16	14	$3953.00	$227.19
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$527.00	$103.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,404	376	$224.49	$38.28
67028 Injection of drug into eye	1,148	223	$3018.71	$117.34
J0178 Injection, aflibercept, 1 mg	906	76	$1787.33	$869.51
J9035 Injection, bevacizumab, 10 mg	813	158	$159.26	$71.03
92012 Established patient problem focused exam of visual system	375	192	$331.16	$85.40
J2778 Injection, ranibizumab, 0.1 mg	325	13	$890.94	$227.32
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	75	75	$634.02	$156.23
92014 Established patient complete exam of visual system	55	54	$496.78	$120.52
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$418.14	$104.81
92004 New patient complete exam of visual system	20	20	$677.64	$143.18
76512 Ultrasound of eye disease, growth, or structure	19	17	$628.72	$45.81
92250 Photography of the retina	17	17	$268.58	$34.32
67145 Photocoagulation treatment to prevent detachment of retina	15	15	$3459.76	$228.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,539	434	$88.52	$38.73
67028 Injection of drug into eye	1,268	257	$441.57	$119.37
J0178 Injection, aflibercept, 1 mg	1,020	96	$982.27	$901.32
J9035 Injection, bevacizumab, 10 mg	934	180	$150.09	$68.12
92012 Established patient problem focused exam of visual system	449	246	$182.59	$85.52
J2778 Injection, ranibizumab, 0.1 mg	415	15	$396.89	$277.10
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	90	90	$359.86	$157.34
92014 Established patient complete exam of visual system	35	35	$264.18	$121.53
92004 New patient complete exam of visual system	34	34	$318.38	$144.51
76512 Ultrasound of eye disease, growth, or structure	19	18	$198.88	$46.11
92235 Exam of retinal blood vessels using a special camera after injection of a dye	15	15	$183.24	$120.19
67145 Photocoagulation treatment to prevent detachment of retina	13	11	$1320.55	$229.40
92250 Photography of the retina	13	13	$158.61	$33.48
67041 Removal of membrane from the retina	11	11	$2458.58	$1075.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,658	472	$89.04	$39.47
67028 Injection of drug into eye	1,326	274	$425.82	$120.81
J0178 Injection, aflibercept, 1 mg	1,042	98	$980.14	$918.65
J9035 Injection, bevacizumab, 10 mg	970	200	$150.03	$72.25
92012 Established patient problem focused exam of visual system	583	288	$182.96	$86.75
J2778 Injection, ranibizumab, 0.1 mg	405	13	$396.89	$315.81
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	67	67	$348.68	$160.15
92004 New patient complete exam of visual system	54	54	$327.69	$146.20
92014 Established patient complete exam of visual system	48	45	$264.18	$122.71
92235 Exam of retinal blood vessels using a special camera after injection of a dye	22	22	$183.24	$113.48
76512 Ultrasound of eye disease, growth, or structure	17	15	$198.88	$47.69
67228 Laser destruction of leaking retinal blood vessels, 1 or more sessions	15	11	$726.06	$326.19
92250 Photography of the retina	13	13	$140.04	$36.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,448	414	$89.40	$39.44
67028 Injection of drug into eye	1,217	271	$416.41	$105.94
J9035 Injection, bevacizumab, 10 mg	877	199	$150.00	$77.88
J0178 Injection, aflibercept, 1 mg	848	80	$980.14	$930.67
92012 Established patient problem focused exam of visual system	603	275	$182.84	$85.88
J2778 Injection, ranibizumab, 0.1 mg	389	13	$396.89	$333.98
92250 Photography of the retina	122	121	$142.77	$42.76
92014 Established patient complete exam of visual system	82	80	$266.11	$122.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	70	70	$346.86	$157.76
92004 New patient complete exam of visual system	35	35	$318.38	$146.37
76512 Ultrasound of eye disease, growth, or structure	26	16	$198.88	$50.88
92235 Exam of retinal blood vessels using a special camera after injection of a dye	22	22	$183.24	$100.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3300 Injection, triamcinolone acetonide, preservative free, 1 mg	1,680	19	$4.12	$3.79
92134 Imaging of retina	1,620	425	$88.85	$39.52
67028 Injection of drug into eye	1,322	269	$385.84	$104.12
J9035 Injection, bevacizumab, 10 mg	932	188	$100.02	$79.80
J0178 Injection, aflibercept, 1 mg	806	76	$980.14	$943.16
92012 Established patient problem focused exam of visual system	784	323	$182.40	$84.98
J2778 Injection, ranibizumab, 0.1 mg	423	14	$396.89	$353.62
92250 Photography of the retina	141	137	$142.19	$47.77
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	87	87	$348.96	$155.37
92014 Established patient complete exam of visual system	53	52	$265.06	$122.28
76512 Ultrasound of eye disease, growth, or structure	47	26	$206.83	$58.00
92004 New patient complete exam of visual system	46	46	$320.65	$146.11
92235 Exam of retinal blood vessels using a special camera after injection of a dye	25	25	$189.79	$88.61
67228 Laser destruction of leaking retinal blood vessels, 1 or more sessions	14	11	$992.92	$310.61
67041 Removal of membrane from the retina	14	14	$3388.17	$1091.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3300 Injection, triamcinolone acetonide, preservative free, 1 mg	1,800	13	$3.98	$3.75
92134 Imaging of retina	1,691	488	$88.10	$40.23
67028 Injection of drug into eye	1,351	296	$378.43	$103.27
J9035 Injection, bevacizumab, 10 mg	1,012	230	$79.85	$76.67
92012 Established patient problem focused exam of visual system	769	378	$182.29	$84.57
J0178 Injection, aflibercept, 1 mg	712	73	$980.14	$953.24
J2778 Injection, ranibizumab, 0.1 mg	350	14	$395.95	$370.58
92250 Photography of the retina	134	132	$141.44	$53.13
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	88	88	$347.52	$155.68
92004 New patient complete exam of visual system	70	70	$319.69	$146.24
92014 Established patient complete exam of visual system	57	55	$264.28	$119.46
76512 Ultrasound of eye disease, growth, or structure	32	22	$198.88	$71.88
92235 Exam of retinal blood vessels using a special camera after injection of a dye	29	29	$188.54	$81.30
67228 Laser destruction of leaking retinal blood vessels, 1 or more sessions	17	13	$726.06	$330.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	1,731	524	$88.25	$39.43
J3300 Injection, triamcinolone acetonide, preservative free, 1 mg	1,520	13	$3.73	$3.67
67028 Injection of drug into eye	1,355	310	$400.04	$103.95
J9035 Injection, bevacizumab, 10 mg	1,004	242	$76.95	$73.09
J0178 Injection, aflibercept, 1 mg	718	82	$1001.21	$960.66
92012 Established patient problem focused exam of visual system	695	349	$179.83	$82.07
J2778 Injection, ranibizumab, 0.1 mg	510	20	$382.72	$372.44
92004 New patient complete exam of visual system	93	93	$319.25	$143.50
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	88	88	$347.06	$156.32
92250 Photography of the retina	82	82	$142.79	$63.19
92014 Established patient complete exam of visual system	31	31	$259.85	$119.08
76512 Ultrasound of eye disease, growth, or structure	26	22	$225.10	$88.73
92235 Exam of retinal blood vessels using a special camera after injection of a dye	23	23	$208.26	$75.29
67228 Laser destruction of leaking retinal blood vessels, 1 or more sessions	20	16	$845.60	$327.73

Medical Specialties & State Licenses

CMS Verified: 2023-09-21

Ophthalmology - Retina Specialist Primary Specialty

NUCC Taxonomy Code: 207WX0107X

State License WI 57459020

An ophthalmologist who specializes in the diagnosis and treatment of vitreoretinal diseases.

Ophthalmology

NUCC Taxonomy Code: 207W00000X

State License CO 48790

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.

Hospital & Practice Group Affiliations

Northeast Wisconsin Retina Associates Sc

515 S Washburn St, Oshkosh, WI 549047951

Phone: 9202328060

Northeast Wisconsin Retina Associates Sc

723 Park Ridge Ln, North Fond Du Lac, WI 549371385

Phone: 9203228688

Northeast Wisconsin Retina Associates Sc

480 Pilgrim Way, Green Bay, WI 543045279

Phone: 9205920111

Practice Associates & Co-Workers

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

7 Associated Practitioners

Dr. Anthony Parendo , MD

Ophthalmology - Retina Specialist

NPI 1043690233

Doctor of Medicine (M.D.)

Dr. Martin Viebahn , MD

Ophthalmology

NPI 1164437802

Doctor of Medicine (M.D.)

Dr. Khalid Kahook , MD

Ophthalmology - Retina Specialist

NPI 1356640726

Doctor of Medicine (M.D.)

Dr. John Rosculet , MD

Ophthalmology - Retina Specialist

NPI 1679580070

Doctor of Medicine (M.D.)

Dr. Rajeev Buddi , MD

Ophthalmology - Retina Specialist

NPI 1700819281

Doctor of Medicine (M.D.)

Dr. Michael Possin , MD

Ophthalmology - Retina Specialist

NPI 1811253289

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

13 Historical Events

📍

Updated Practice Location September 21, 2023

Registered at 442 N WESTHILL BLVD STE A, APPLETON, WI 549145830 (Tel: 9207518666)

📍

Updated Business Mailing Address September 21, 2023

Registered at 442 N WESTHILL BLVD STE A, APPLETON, WI 549145830 (Tel: 9207518666)

✅

NPI Profile Active December 11, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location December 11, 2017

Registered at 200 THEDA CLARK MEDICAL PLZ, SUITE 110, NEENAH, WI 549562721 (Tel: 9207518666)

📍

Updated Business Mailing Address December 11, 2017

Registered at 200 THEDA CLARK MEDICAL PLZ, SUITE 110, NEENAH, WI 549562721 (Tel: 9207518666)

👤

Provider Name / Credentials Updated December 11, 2017

Recorded as BENJAMIN ERNST, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 11, 2017

Ophthalmology (License #48790 in CO)

✅

NPI Profile Active June 03, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location June 03, 2013

Registered at 200 THEDA CLARK MEDICAL PLZ, SUITE 110, NEENAH, WI 549562721 (Tel: 9207518666)

📍

Updated Business Mailing Address June 03, 2013

Registered at 200 THEDA CLARK MEDICAL PLZ, SUITE 110, NEENAH, WI 549562721 (Tel: 9207518666)

👤

Provider Name / Credentials Updated June 03, 2013

Recorded as BENJAMIN ERNST, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 03, 2013

Ophthalmology (License #48790 in CO)

🟢

Initial NPI Registration & Enumeration June 21, 2007

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: 1518162247

Entity Type:

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

Enumeration Date: June 21, 2007

Last Update: September 21, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

442 N Westhill Blvd Ste A

Appleton, WI 549145830

Phone: 9207518666

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.