Active NPI 1659374205 Individual Practitioner Male Practitioner

Dr. Christopher D Knight , MD

Ophthalmology • Warsaw, IN

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Christopher Knight, MD is a certified Ophthalmology practicing in Warsaw, IN. With approximately 33 years of clinical experience since graduating from University Of Michigan Medical School in 1993, Dr. Knight delivers high-quality medical care to the local community at 2251 DUBOIS DR.

Dr. Knight is affiliated with Grossnickle Eye Center Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, faricimab-svoa, 0.1 mg, injection of drug into eye, injection, aflibercept, 1 mg. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2251 Dubois Dr

Warsaw, IN 465803212

Telephone 5742692777

Fax 5743714697

Associated Practice Facility / Clinic

🏢 Grossnickle Eye Center, Inc. Facility NPI 1265436125

Medicare Profile & Education

Medical School

University Of Michigan Medical School

Graduation Year

1993

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Warsaw, IN

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

33 Yrs +10.3 yrs vs City Avg

City Avg: 22.7 Yrs

State Avg: 27.7 Yrs

Regional Practice Density

8 Specialists

Practicing in Warsaw, IN (339 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

64.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Knight (33 Years) 33 Yrs

Warsaw Specialty Average (22.7 Years) 22.7 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	4,140	30	$50.00	$34.66
67028 Injection of drug into eye	462	242	$614.72	$119.39
J0178 Injection, aflibercept, 1 mg	456	113	$1734.65	$816.59
92134 Imaging of retina	419	177	$107.14	$35.26
99213 Established patient office or other outpatient visit, typically 15 minutes	411	244	$100.00	$86.71
66984 Removal of cataract with insertion of lens	378	250	$1947.51	$449.38
J0177 Injection, aflibercept hd, 1 mg	296	22	$450.00	$330.07
92136 Measurement of corneal curvature and depth of eye	233	233	$150.00	$45.01
J3590 Unclassified biologics	209	117	$120.00	$91.03
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	203	173	$150.00	$121.63
92136 Measurement of corneal curvature and depth of eye	185	185	$75.00	$28.84
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	176	176	$200.00	$158.60
92025 Ct scan of cornea	172	169	$84.01	$33.91
92083 Exam of visual field with extended testing	155	138	$145.29	$58.21
92133 Imaging of optic nerve	153	148	$112.03	$32.76
66821 Removal of recurring cataract in lens capsule using a laser	96	88	$755.00	$273.86
76514 Ultrasound scan of cornea to determine thickness	45	40	$50.00	$10.17
92020 Examination of cornea and iris using lens device and slit lamp	39	35	$50.00	$26.29
66991 Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye	35	24	$2002.57	$581.08
65855 Laser repair to improve eye fluid flow	25	22	$930.80	$188.80
66183 Insertion of eye fluid drainage device	20	17	$2600.00	$963.99
66174 Dilation of fluid outflow drainage within eye	20	15	$2000.00	$529.22
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$150.00	$105.75
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$55.00	$53.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J2777 Injection, faricimab-svoa, 0.1 mg	3,060	26	$50.00	$36.35
67028 Injection of drug into eye	484	254	$597.11	$115.61
J0178 Injection, aflibercept, 1 mg	460	114	$1734.78	$861.86
66984 Removal of cataract with insertion of lens	428	262	$1932.99	$446.83
92134 Imaging of retina	418	196	$103.80	$33.82
99213 Established patient office or other outpatient visit, typically 15 minutes	376	231	$100.00	$85.09
92136 Measurement of corneal curvature and depth of eye	278	276	$149.46	$44.16
J3590 Unclassified biologics	254	134	$120.00	$90.59
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	247	205	$150.00	$120.60
92025 Ct scan of cornea	220	208	$80.96	$32.40
J0179 Injection, brolucizumab-dbll, 1 mg	216	17	$585.00	$312.07
92136 Measurement of corneal curvature and depth of eye	212	212	$75.00	$28.82
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	183	183	$200.00	$156.64
92083 Exam of visual field with extended testing	154	128	$136.79	$53.41
92133 Imaging of optic nerve	137	121	$101.90	$29.93
66821 Removal of recurring cataract in lens capsule using a laser	114	103	$739.65	$265.82
68841 Insertion of drug delivery implant into tear duct of eye	109	60	$50.00	$15.24
66991 Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye	51	31	$2006.67	$303.26
65820 Incision to improve eye fluid flow	51	31	$1700.00	$769.63
92020 Examination of cornea and iris using lens device and slit lamp	36	34	$50.00	$26.25
66982 Complex removal of cataract with insertion of prosthetic lens	27	19	$2238.70	$601.89
76514 Ultrasound scan of cornea to determine thickness	25	24	$50.00	$10.09
65855 Laser repair to improve eye fluid flow	24	21	$932.29	$195.88
66183 Insertion of eye fluid drainage device	21	19	$2600.00	$958.53
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$150.00	$105.01
65400 Removal of growth of cornea	12	11	$850.00	$561.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	469	214	$101.67	$33.58
99213 Established patient office or other outpatient visit, typically 15 minutes	442	274	$100.00	$85.71
66984 Removal of cataract with insertion of lens	438	286	$1890.82	$438.37
67028 Injection of drug into eye	423	249	$599.29	$116.82
J0178 Injection, aflibercept, 1 mg	412	105	$1733.01	$892.13
92136 Measurement of corneal curvature and depth of eye	286	273	$143.97	$45.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	270	228	$150.00	$122.03
J3590 Unclassified biologics	256	141	$120.00	$90.51
J0179 Injection, brolucizumab-dbll, 1 mg	228	19	$492.63	$259.93
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	196	196	$200.00	$158.38
92136 Measurement of corneal curvature and depth of eye	195	185	$75.00	$29.29
92083 Exam of visual field with extended testing	166	143	$137.59	$54.05
92025 Ct scan of cornea	155	151	$83.90	$31.69
92133 Imaging of optic nerve	145	131	$102.34	$30.33
66821 Removal of recurring cataract in lens capsule using a laser	99	93	$728.89	$261.31
65820 Incision to improve eye fluid flow	42	28	$1700.00	$778.26
76514 Ultrasound scan of cornea to determine thickness	39	39	$50.00	$10.19
66991 Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye	38	23	$1935.00	$399.63
66982 Complex removal of cataract with insertion of prosthetic lens	31	24	$2232.26	$591.12
65855 Laser repair to improve eye fluid flow	25	22	$930.80	$196.24
92020 Examination of cornea and iris using lens device and slit lamp	21	19	$50.00	$26.78
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$150.00	$105.73
66183 Insertion of eye fluid drainage device	17	17	$2600.00	$962.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
67028 Injection of drug into eye	574	303	$597.56	$118.08
J0178 Injection, aflibercept, 1 mg	558	126	$1718.64	$892.52
92134 Imaging of retina	537	238	$100.02	$33.62
66984 Removal of cataract with insertion of lens	492	316	$1938.50	$453.32
99213 Established patient office or other outpatient visit, typically 15 minutes	474	309	$100.00	$86.98
J3590 Unclassified biologics	347	183	$120.35	$92.27
92136 Measurement of corneal curvature and depth of eye	332	252	$124.92	$44.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	318	259	$150.00	$122.93
J0179 Injection, brolucizumab-dbll, 1 mg	276	23	$559.57	$299.42
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	176	176	$200.00	$159.50
92083 Exam of visual field with extended testing	175	158	$142.63	$56.72
92133 Imaging of optic nerve	167	159	$107.28	$31.90
92136 Measurement of corneal curvature and depth of eye	143	124	$75.00	$29.59
92025 Ct scan of cornea	114	112	$85.00	$32.02
66821 Removal of recurring cataract in lens capsule using a laser	53	50	$760.75	$275.56
92020 Examination of cornea and iris using lens device and slit lamp	46	42	$50.00	$25.99
76514 Ultrasound scan of cornea to determine thickness	41	40	$50.00	$10.20
0376T Insertion of eye drainage device	37	25	$500.00	$319.71
0191T Internal insertion of eye fluid drainage device	37	25	$2500.00	$639.43
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$150.00	$106.72
66982 Complex removal of cataract with insertion of prosthetic lens	24	22	$2344.38	$612.16
76519 Ultrasound of eye for determination of lens power	18	13	$125.00	$52.82
65855 Laser repair to improve eye fluid flow	17	17	$895.00	$195.89
65820 Incision to improve eye fluid flow	17	13	$1700.00	$762.60
66183 Insertion of eye fluid drainage device	11	11	$2600.00	$957.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	667	383	$100.00	$71.59
67028 Injection of drug into eye	634	298	$587.54	$105.50
J0178 Injection, aflibercept, 1 mg	590	120	$1739.83	$926.76
J0179 Injection, brolucizumab-dbll, 1 mg	480	32	$585.00	$314.66
92134 Imaging of retina	464	202	$98.71	$33.47
J3590 Unclassified biologics	356	172	$119.33	$90.98
92136 Measurement of corneal curvature and depth of eye	310	200	$111.29	$44.65
66984 Removal of cataract with insertion of lens	300	194	$1965.10	$473.77
92083 Exam of visual field with extended testing	159	139	$138.81	$55.81
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	146	138	$150.00	$104.47
92133 Imaging of optic nerve	133	116	$102.07	$30.81
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	103	103	$200.00	$157.36
92025 Ct scan of cornea	84	81	$81.96	$31.21
66821 Removal of recurring cataract in lens capsule using a laser	64	60	$735.00	$269.23
0191T Internal insertion of eye fluid drainage device	45	30	$2500.00	$613.67
0376T Insertion of eye drainage device	45	30	$500.00	$306.84
76514 Ultrasound scan of cornea to determine thickness	43	41	$48.84	$10.53
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$150.00	$102.54
92020 Examination of cornea and iris using lens device and slit lamp	30	26	$50.00	$26.90
66183 Insertion of eye fluid drainage device	28	25	$2600.00	$991.92
92136 Measurement of corneal curvature and depth of eye	26	22	$75.00	$30.83
92250 Photography of the retina	26	22	$114.62	$35.36
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	24	23	$55.00	$43.11
99202 New patient office or other outpatient visit, typically 20 minutes	15	15	$100.00	$72.18
92201 Extended exam of the back part of the eye with retinal drawing	15	13	$50.00	$24.44
66982 Complex removal of cataract with insertion of prosthetic lens	14	12	$2292.50	$626.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	730	389	$100.00	$70.42
67028 Injection of drug into eye	467	258	$585.65	$105.68
J0178 Injection, aflibercept, 1 mg	460	107	$1000.00	$941.42
92136 Measurement of corneal curvature and depth of eye	456	291	$110.20	$47.77
66984 Removal of cataract with insertion of lens	443	288	$1941.31	$535.28
92134 Imaging of retina	341	170	$101.61	$34.17
J3590 Unclassified biologics	302	167	$223.84	$136.83
92083 Exam of visual field with extended testing	176	158	$145.48	$58.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	166	157	$150.00	$102.99
92133 Imaging of optic nerve	153	138	$106.80	$31.94
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	143	143	$200.00	$155.42
92025 Ct scan of cornea	129	126	$83.68	$32.35
76514 Ultrasound scan of cornea to determine thickness	61	58	$50.00	$11.26
66821 Removal of recurring cataract in lens capsule using a laser	56	54	$745.71	$264.54
0191T Internal insertion of eye fluid drainage device	51	35	$2500.00	$607.38
0376T Insertion of eye drainage device	51	35	$500.00	$307.52
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	48	48	$150.00	$102.32
92020 Examination of cornea and iris using lens device and slit lamp	29	28	$50.00	$26.68
92136 Measurement of corneal curvature and depth of eye	26	19	$75.00	$30.82
66982 Complex removal of cataract with insertion of prosthetic lens	24	19	$2378.96	$702.77
66183 Insertion of eye fluid drainage device	18	17	$2600.00	$988.68
65820 Incision to improve eye fluid flow	18	16	$1700.00	$665.36
92250 Photography of the retina	18	15	$111.11	$38.30
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	12	$55.00	$42.64
65855 Laser repair to improve eye fluid flow	12	11	$969.58	$208.30
92225 Examination of eye by ophthalmoscope with retinal drawing	12	12	$54.17	$27.96
99202 New patient office or other outpatient visit, typically 20 minutes	11	11	$100.00	$72.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,010	527	$100.00	$68.63
66984 Removal of cataract with insertion of lens	541	348	$1952.74	$535.37
92136 Measurement of corneal curvature and depth of eye	484	314	$107.23	$49.68
67028 Injection of drug into eye	379	231	$571.24	$103.00
J0178 Injection, aflibercept, 1 mg	328	80	$1000.00	$953.27
92134 Imaging of retina	308	171	$107.42	$36.19
92083 Exam of visual field with extended testing	305	276	$147.54	$58.82
J3590 Unclassified biologics	259	153	$98.46	$50.93
92133 Imaging of optic nerve	182	170	$109.95	$33.16
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	145	143	$150.00	$101.63
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	144	144	$200.00	$152.09
92025 Ct scan of cornea	133	132	$85.00	$32.53
76514 Ultrasound scan of cornea to determine thickness	66	62	$50.00	$13.47
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	61	61	$150.00	$100.92
0191T Internal insertion of eye fluid drainage device	57	42	$2500.00	$589.08
66821 Removal of recurring cataract in lens capsule using a laser	44	43	$752.73	$272.82
92136 Measurement of corneal curvature and depth of eye	43	35	$75.00	$30.33
92020 Examination of cornea and iris using lens device and slit lamp	42	36	$50.00	$25.17
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	25	22	$55.00	$41.09
0376T Insertion of eye drainage device	22	17	$500.00	$307.26
65820 Incision to improve eye fluid flow	21	13	$1700.00	$657.76
66982 Complex removal of cataract with insertion of prosthetic lens	20	17	$2437.75	$699.10
66183 Insertion of eye fluid drainage device	20	17	$2600.00	$975.50
65855 Laser repair to improve eye fluid flow	19	18	$989.21	$207.94
76519 Ultrasound of eye for determination of lens power	18	15	$104.17	$46.21
99202 New patient office or other outpatient visit, typically 20 minutes	13	13	$100.00	$70.33
92250 Photography of the retina	13	12	$126.15	$47.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	972	520	$100.00	$68.70
66984 Removal of cataract with insertion of lens	575	364	$1944.35	$532.62
92136 Measurement of corneal curvature and depth of eye	465	307	$109.52	$55.98
92083 Exam of visual field with extended testing	299	279	$146.14	$58.48
92134 Imaging of retina	271	152	$105.94	$35.16
67028 Injection of drug into eye	232	166	$547.41	$100.71
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	170	166	$150.00	$101.40
92133 Imaging of optic nerve	164	157	$110.55	$33.11
J3590 Unclassified biologics	162	115	$100.00	$50.47
J0178 Injection, aflibercept, 1 mg	162	50	$1000.00	$962.87
92025 Ct scan of cornea	110	110	$85.00	$32.42
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	103	103	$200.00	$153.27
92136 Measurement of corneal curvature and depth of eye	91	72	$75.00	$29.76
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	74	74	$150.00	$99.63
0191T Internal insertion of eye fluid drainage device	51	35	$2500.00	$679.48
76514 Ultrasound scan of cornea to determine thickness	46	46	$50.00	$13.39
92020 Examination of cornea and iris using lens device and slit lamp	34	33	$50.00	$25.61
99202 New patient office or other outpatient visit, typically 20 minutes	24	24	$100.00	$70.19
66821 Removal of recurring cataract in lens capsule using a laser	20	20	$744.00	$271.72
66183 Insertion of eye fluid drainage device	18	16	$2600.00	$960.38
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	17	$55.00	$40.76
76519 Ultrasound of eye for determination of lens power	17	14	$123.53	$63.91
92225 Examination of eye by ophthalmoscope with retinal drawing	13	13	$57.69	$29.65

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License IN 01046433A

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

Grossnickle Eye Center Inc

2251 Dubois Dr, Warsaw, IN 465803212

Phone: 5742692777

Practice Associates & Co-Workers

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

17 Associated Practitioners

Dr. Dennis Miller , OD

Optometrist

NPI 1003819442

Doctor of Optometry

Dr. Paul Grossnickle , OD

Optometrist

NPI 1023011426

Doctor of Optometry

Dr. Matthew Ralstin , MD

Ophthalmology

NPI 1104088731

Doctor of Medicine (M.D.)

Dr. Ann Madden , OD

Optometrist

NPI 1285660902

Doctor of Optometry

Dr. Steven Grossnickle , MD

Ophthalmology

NPI 1437152097

Doctor of Medicine (M.D.)

Dr. Colin Ridenour , MD

Ophthalmology

NPI 1457888430

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 July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 2251 DUBOIS DR, WARSAW, IN 465803212 (Tel: 5742692777)

📍

Updated Business Mailing Address July 08, 2007

Registered at 2251 DUBOIS DR, WARSAW, IN 465803212 (Tel: 5742692777)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as CHRISTOPHER KNIGHT, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Ophthalmology (License #01046433A in IN)

🟢

Initial NPI Registration & Enumeration May 27, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1659374205

Entity Type:

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

Enumeration Date: May 27, 2005

Last Update: July 08, 2007

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2251 Dubois Dr

Warsaw, IN 465803212

Phone: 5742692777

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.