Active NPI 1790880714 Individual Practitioner Male Practitioner

Dr. John M Williams , OD

Optometrist • Champaign, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Williams, OD is a certified Optometrist practicing in Champaign, IL. With approximately 39 years of clinical experience since graduating from Illinois College Of Optometry At Chicago in 1987, Dr. Williams delivers high-quality medical care to the local community at 3105 FIELDS SOUTH DR.

Dr. Williams is affiliated with Carle Health Care Incorporated and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, established patient complete exam of visual system, imaging of optic nerve. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3105 Fields South Dr

Champaign, IL 618223743

Telephone 2179023937

Fax 2179027751

Associated Practice Facility / Clinic

🏢 Carle Health Care Incorporated Facility NPI 1235452996

Medicare Profile & Education

Medical School

Illinois College Of Optometry At Chicago

Graduation Year

1987

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Champaign, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

39 Yrs +16.6 yrs vs City Avg

City Avg: 22.4 Yrs

State Avg: 22.8 Yrs

Regional Practice Density

24 Specialists

Practicing in Champaign, IL (2783 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

74.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Williams (39 Years) 39 Yrs

Champaign 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	266	243	$233.20	$92.99
92014 Established patient complete exam of visual system	148	148	$200.00	$70.21
92133 Imaging of optic nerve	108	92	$270.00	$20.02
99213 Established patient office or other outpatient visit, typically 15 minutes	105	96	$153.86	$63.81
92083 Exam of visual field with extended testing	55	52	$250.00	$25.19
92134 Imaging of retina	54	53	$270.00	$23.02
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	35	35	$366.43	$126.76
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	29	27	$93.76	$34.29
92004 New patient complete exam of visual system	26	26	$275.00	$88.93

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	240	224	$225.00	$96.05
92014 Established patient complete exam of visual system	200	200	$190.00	$73.73
99213 Established patient office or other outpatient visit, typically 15 minutes	115	94	$145.00	$65.30
92133 Imaging of optic nerve	98	87	$255.00	$20.79
92083 Exam of visual field with extended testing	70	64	$240.00	$25.85
92134 Imaging of retina	60	58	$255.00	$24.08
92004 New patient complete exam of visual system	36	36	$260.00	$90.16
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	34	30	$90.00	$34.58
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$355.00	$132.66

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	228	209	$215.04	$97.17
92014 Established patient complete exam of visual system	186	185	$185.03	$74.46
99213 Established patient office or other outpatient visit, typically 15 minutes	154	122	$140.06	$66.43
92133 Imaging of optic nerve	108	99	$245.00	$21.25
92083 Exam of visual field with extended testing	90	88	$230.00	$26.29
92134 Imaging of retina	47	45	$245.00	$24.52
92004 New patient complete exam of visual system	42	42	$250.00	$93.67
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	27	26	$87.00	$36.37
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$345.00	$135.24
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$235.00	$83.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	217	216	$175.00	$75.71
99213 Established patient office or other outpatient visit, typically 15 minutes	194	169	$130.00	$66.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	179	164	$205.00	$99.85
92133 Imaging of optic nerve	111	102	$230.00	$21.46
92083 Exam of visual field with extended testing	75	73	$220.00	$26.67
92134 Imaging of retina	43	42	$230.00	$24.99
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	41	37	$83.00	$36.04
92004 New patient complete exam of visual system	31	31	$240.00	$94.95
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$225.00	$84.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	175	149	$125.00	$52.14
92014 Established patient complete exam of visual system	174	174	$170.00	$78.04
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	158	153	$195.00	$79.84
92133 Imaging of optic nerve	90	86	$220.00	$22.18
92083 Exam of visual field with extended testing	78	76	$210.00	$27.67
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	52	44	$80.00	$26.33
92134 Imaging of retina	45	45	$220.00	$25.53
92004 New patient complete exam of visual system	34	34	$230.00	$97.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$320.00	$131.66
99441 Telephone medical discussion with physician, 5-10 minutes	12	12	$115.00	$26.07
76514 Ultrasound scan of cornea to determine thickness	11	11	$99.00	$7.82

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	215	204	$225.37	$78.85
92014 Established patient complete exam of visual system	175	175	$199.29	$77.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	95	93	$190.00	$78.89
99213 Established patient office or other outpatient visit, typically 15 minutes	80	73	$151.63	$51.18
92014 Established patient complete exam of visual system	73	73	$165.00	$78.29
92133 Imaging of optic nerve	71	68	$210.00	$22.11
92083 Exam of visual field with extended testing	55	55	$200.00	$27.70
99213 Established patient office or other outpatient visit, typically 15 minutes	52	49	$120.00	$51.22
92134 Imaging of retina	34	34	$210.00	$25.57
92133 Imaging of optic nerve	31	31	$210.00	$22.12
92083 Exam of visual field with extended testing	28	28	$200.00	$27.72
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	21	19	$97.19	$25.63
92004 New patient complete exam of visual system	20	20	$262.00	$96.05
92134 Imaging of retina	14	14	$210.00	$25.58
76514 Ultrasound scan of cornea to determine thickness	13	13	$96.00	$8.12
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$361.92	$121.63

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	271	259	$180.00	$77.23
92014 Established patient complete exam of visual system	224	224	$160.00	$77.95
99213 Established patient office or other outpatient visit, typically 15 minutes	183	140	$115.00	$50.31
92133 Imaging of optic nerve	86	84	$200.00	$22.13
92083 Exam of visual field with extended testing	64	59	$190.00	$27.30
92134 Imaging of retina	51	49	$200.00	$24.91
92004 New patient complete exam of visual system	44	44	$210.00	$97.95
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	26	18	$74.00	$25.22
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$300.00	$122.93
76514 Ultrasound scan of cornea to determine thickness	15	15	$93.00	$9.71

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	257	238	$170.00	$77.54
92014 Established patient complete exam of visual system	196	196	$150.00	$77.40
99213 Established patient office or other outpatient visit, typically 15 minutes	190	133	$110.00	$50.34
92133 Imaging of optic nerve	83	80	$189.00	$21.95
92083 Exam of visual field with extended testing	63	61	$178.00	$27.23
92134 Imaging of retina	62	60	$189.00	$25.11
92004 New patient complete exam of visual system	47	47	$200.00	$98.04
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$285.00	$126.28
76514 Ultrasound scan of cornea to determine thickness	19	19	$89.00	$9.72
92020 Examination of cornea and iris using lens device and slit lamp	12	12	$115.00	$20.71
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	11	$71.00	$25.14

Medical Specialties & State Licenses

CMS Verified: 2026-04-27

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License IL 046008016

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

Commercial Insurance / Payer ID Railroad

410021596 (IL)

Hospital & Practice Group Affiliations

Carle Health Care Incorporated

3103 Fields S Dr, Champaign, IL 618223743

Phone: 2179022300

Carle Health Care Incorporated

611 W Park St, Urbana, IL 618012501

Carle Health Care Incorporated

611 W Park St, Urbana, IL 618012501

Phone: 8887122753

Practice Associates & Co-Workers

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

8 Associated Practitioners

Peter Shireman

Audiologist

NPI 1134817646

Dr. Saad Al-Kadhi , MD

Ophthalmology

NPI 1154852473

Doctor of Medicine (M.D.)

Dr. Abu-Bakar Zafar , MD

Ophthalmology

NPI 1194015016

Doctor of Medicine (M.D.)

Dr. Fatima Ahmed , MD

Ophthalmology - Retina Specialist

NPI 1497046619

Doctor of Medicine (M.D.)

Dr. Greigham Hopkins , OD

Optometrist

NPI 1699268813

Doctor of Optometry

Dr. Ruidi Wang , MD

Ophthalmology

NPI 1710321310

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location April 27, 2026

Registered at 3105 FIELDS SOUTH DR, CHAMPAIGN, IL 618223743 (Tel: 2179023937)

📍

Updated Business Mailing Address April 27, 2026

Registered at 611 W PARK ST, URBANA, IL 618012501 (Tel: 2173836792)

✅

NPI Profile Active May 16, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location May 16, 2014

Registered at 611 W. PARK ST., OPHTHALMOLOGY/OPTOMETRY, URBANA, IL 61801 (Tel: 2173833150)

📍

Updated Business Mailing Address May 16, 2014

Registered at 611 W. PARK ST., BWPC, URBANA, IL 618012500 (Tel: 2173836792)

👤

Provider Name / Credentials Updated May 16, 2014

Recorded as JOHN WILLIAMS, OD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 16, 2014

Optometrist (License #046008016 in IL)

🟢

Initial NPI Registration & Enumeration September 14, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. John Williams. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1790880714

Entity Type:

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

Enumeration Date: September 14, 2006

Last Update: April 27, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

611 W Park St

Urbana, IL 618012501

Phone: 2173836792

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.