Active NPI 1699764597 Individual Practitioner Female Practitioner

Dr. Ruth D Williams , MD

Ophthalmology - Glaucoma Specialist • Wheaton, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Ruth Williams, MD is a certified Ophthalmology - Glaucoma Specialist practicing in Wheaton, IL. With approximately 40 years of clinical experience since graduating from Rush Medical College Of Rush University in 1986, Dr. Williams delivers high-quality medical care to the local community at 2015 N MAIN ST.

Dr. Williams is affiliated with Wheaton Eye Clinic Ltd and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, exam of visual field with extended testing, 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

2015 N Main St

Wheaton, IL 601873190

Telephone 6306688250

Fax 6306688916

Associated Practice Facility / Clinic

🏢 Wheaton Eye Clinic Ltd Facility NPI 1801883004

Medicare Profile & Education

Medical School

Rush Medical College Of Rush University

Graduation Year

1986

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology - Glaucoma Specialist in Wheaton, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

40 Yrs +21.3 yrs vs City Avg

City Avg: 18.7 Yrs

State Avg: 14.7 Yrs

Regional Practice Density

6 Specialists

Practicing in Wheaton, IL (13 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

9.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Williams (40 Years) 40 Yrs

Wheaton Specialty Average (18.7 Years) 18.7 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
99213 Established patient office or other outpatient visit, typically 15 minutes	1,955	887	$97.26	$95.92
92083 Exam of visual field with extended testing	851	775	$67.83	$66.57
92133 Imaging of optic nerve	819	790	$39.95	$36.52
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	679	374	$17.70	$17.24
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	362	313	$137.74	$135.22
92020 Examination of cornea and iris using lens device and slit lamp	93	87	$29.45	$28.55
65855 Laser repair to improve eye fluid flow	42	33	$263.60	$214.63
76514 Ultrasound scan of cornea to determine thickness	30	30	$12.63	$11.52
92134 Imaging of retina	28	26	$43.53	$41.11
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$178.93	$177.27
66821 Removal of recurring cataract in lens capsule using a laser	16	14	$357.73	$328.65
65855 Laser repair to improve eye fluid flow	15	12	$263.60	$258.49
92250 Photography of the retina	15	15	$41.77	$37.82
68761 Closure of tear duct opening using plug	14	14	$298.20	$219.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,745	835	$97.28	$95.13
92083 Exam of visual field with extended testing	849	776	$67.98	$65.95
92133 Imaging of optic nerve	835	805	$39.95	$37.14
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	716	555	$137.81	$134.90
92020 Examination of cornea and iris using lens device and slit lamp	113	105	$29.90	$28.94
65855 Laser repair to improve eye fluid flow	93	74	$278.17	$213.74
76514 Ultrasound scan of cornea to determine thickness	46	46	$12.63	$11.62
92134 Imaging of retina	36	36	$43.53	$40.88
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$182.09	$176.43
66821 Removal of recurring cataract in lens capsule using a laser	21	20	$357.73	$327.75
68761 Closure of tear duct opening using plug	20	12	$248.88	$178.08
65855 Laser repair to improve eye fluid flow	19	15	$406.27	$239.93
92014 Established patient complete exam of visual system	13	13	$134.36	$132.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,413	755	$97.29	$96.62
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	942	666	$137.77	$136.44
92083 Exam of visual field with extended testing	880	765	$67.89	$66.84
92133 Imaging of optic nerve	848	815	$39.94	$37.95
92014 Established patient complete exam of visual system	222	217	$134.36	$134.88
92020 Examination of cornea and iris using lens device and slit lamp	114	107	$29.45	$29.55
92134 Imaging of retina	65	60	$43.53	$42.04
76514 Ultrasound scan of cornea to determine thickness	60	60	$12.63	$11.83
65855 Laser repair to improve eye fluid flow	57	46	$263.60	$216.53
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$178.93	$179.33
66821 Removal of recurring cataract in lens capsule using a laser	27	25	$357.73	$331.54
92250 Photography of the retina	21	20	$41.77	$39.05
68761 Closure of tear duct opening using plug	18	14	$303.30	$229.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,540	834	$97.23	$98.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,004	681	$137.77	$139.11
92133 Imaging of optic nerve	878	842	$39.93	$39.09
92083 Exam of visual field with extended testing	705	612	$67.70	$68.22
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	156	154	$59.48	$59.57
92020 Examination of cornea and iris using lens device and slit lamp	144	140	$29.44	$29.76
76514 Ultrasound scan of cornea to determine thickness	67	67	$12.64	$12.04
65855 Laser repair to improve eye fluid flow	59	45	$263.60	$219.77
92134 Imaging of retina	36	35	$43.53	$42.76
66821 Removal of recurring cataract in lens capsule using a laser	26	23	$357.73	$335.60
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$178.93	$180.67
92004 New patient complete exam of visual system	12	12	$159.14	$160.39
92250 Photography of the retina	11	11	$41.77	$41.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	1,876	805	$93.91	$94.73
92133 Imaging of optic nerve	794	773	$40.52	$39.40
92014 Established patient complete exam of visual system	610	561	$133.86	$134.96
92083 Exam of visual field with extended testing	602	530	$67.80	$67.81
92020 Examination of cornea and iris using lens device and slit lamp	154	145	$30.11	$29.08
76514 Ultrasound scan of cornea to determine thickness	84	84	$14.04	$12.42
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	78	60	$55.41	$43.66
65855 Laser repair to improve eye fluid flow	68	51	$265.31	$224.43
92250 Photography of the retina	44	44	$48.08	$47.81
92134 Imaging of retina	34	33	$43.42	$42.83
92004 New patient complete exam of visual system	34	34	$159.00	$160.17
99213 Established patient office or other outpatient visit, typically 15 minutes	27	27	$83.02	$77.65
66821 Removal of recurring cataract in lens capsule using a laser	11	11	$357.02	$325.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	1,777	826	$93.77	$93.57
92133 Imaging of optic nerve	827	803	$39.98	$38.90
92014 Established patient complete exam of visual system	823	758	$134.36	$134.05
92083 Exam of visual field with extended testing	527	488	$68.51	$67.98
92250 Photography of the retina	351	346	$54.52	$53.58
92020 Examination of cornea and iris using lens device and slit lamp	167	157	$29.51	$28.95
76514 Ultrasound scan of cornea to determine thickness	115	115	$14.51	$12.75
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	92	70	$52.19	$45.42
65855 Laser repair to improve eye fluid flow	48	41	$265.33	$223.03
92004 New patient complete exam of visual system	41	41	$160.07	$159.72
99213 Established patient office or other outpatient visit, typically 15 minutes	29	29	$82.78	$73.30
66821 Removal of recurring cataract in lens capsule using a laser	26	20	$356.67	$334.23
92134 Imaging of retina	18	18	$43.68	$42.49
65855 Laser repair to improve eye fluid flow	14	13	$265.33	$259.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	1,723	741	$93.07	$91.75
92133 Imaging of optic nerve	737	722	$40.86	$38.79
92083 Exam of visual field with extended testing	630	554	$68.97	$67.63
92014 Established patient complete exam of visual system	599	566	$133.96	$132.02
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	191	157	$48.59	$45.49
92020 Examination of cornea and iris using lens device and slit lamp	169	154	$28.41	$27.98
76514 Ultrasound scan of cornea to determine thickness	95	95	$16.72	$15.60
99213 Established patient office or other outpatient visit, typically 15 minutes	80	78	$79.25	$75.14
92250 Photography of the retina	73	72	$62.63	$58.02
65855 Laser repair to improve eye fluid flow	55	46	$264.21	$219.42
92004 New patient complete exam of visual system	33	33	$160.19	$157.97
66821 Removal of recurring cataract in lens capsule using a laser	23	22	$355.52	$326.05
92134 Imaging of retina	22	20	$44.35	$42.54
65855 Laser repair to improve eye fluid flow	18	18	$264.15	$260.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92012 Established patient problem focused exam of visual system	1,451	714	$90.59	$89.26
92083 Exam of visual field with extended testing	749	641	$68.89	$67.38
92133 Imaging of optic nerve	673	647	$41.00	$37.93
92014 Established patient complete exam of visual system	562	518	$131.36	$129.31
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	226	200	$47.03	$45.69
92020 Examination of cornea and iris using lens device and slit lamp	161	148	$28.66	$27.78
76514 Ultrasound scan of cornea to determine thickness	97	97	$17.18	$15.05
99213 Established patient office or other outpatient visit, typically 15 minutes	78	74	$80.34	$74.98
65855 Laser repair to improve eye fluid flow	63	55	$283.13	$219.44
92004 New patient complete exam of visual system	45	45	$157.39	$155.43
65855 Laser repair to improve eye fluid flow	25	24	$273.83	$257.62
92134 Imaging of retina	17	15	$43.84	$41.68
92250 Photography of the retina	15	14	$72.89	$69.28
66821 Removal of recurring cataract in lens capsule using a laser	14	13	$352.76	$318.53

Medical Specialties & State Licenses

CMS Verified: 2024-08-27

Ophthalmology - Glaucoma Specialist Primary Specialty

NUCC Taxonomy Code: 207WX0009X

State License IL 036-075904

An ophthalmologist who specializes in the treatment of glaucoma and other disorders related to increased intraocular pressure and optic nerve damage. This specialty involves the medical and surgical treatment of these conditions.

Ophthalmology

NUCC Taxonomy Code: 207W00000X

State License IL 036-075904

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

036075904 (IL)

Commercial Insurance / Payer ID Rr Medicare

180014630 (IL)

Hospital & Practice Group Affiliations

Wheaton Eye Clinic Ltd

2015 N Main St, Wheaton, IL 601873152

Phone: 6306688250

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Susan Anderson-Nelson , MD

Ophthalmology - Retina Specialist

NPI 1013904986

Doctor of Medicine (M.D.)

Dr. Ann Clark , OD

Optometrist

NPI 1073833034

Doctor of Optometry

Dr. Frini Makadia , MD

Ophthalmology - Glaucoma Specialist

NPI 1083069702

Doctor of Medicine (M.D.)

Dr. Gregory Fenton , MD

Ophthalmology

NPI 1114136959

Doctor of Medicine (M.D.)

Dr. Cathleen Cronin , MD

Ophthalmology - Pediatric Ophthalmology and Strabismus Specialist

NPI 1114986296

Doctor of Medicine (M.D.)

Dr. Jeremy Wingard , MD

Ophthalmology - Glaucoma Specialist

NPI 1124218789

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events

📍

Updated Practice Location August 27, 2024

Registered at 2015 N MAIN ST, WHEATON, IL 601873190 (Tel: 6306688250)

📍

Updated Business Mailing Address August 27, 2024

Registered at 2015 N MAIN ST, WHEATON, IL 601873190 (Tel: 6306688250)

👤

Provider Name / Credentials Updated August 27, 2024

Recorded as RUTH WILLIAMS, MD

✅

NPI Profile Active January 23, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location January 23, 2008

Registered at 2015 N MAIN ST, WHEATON, IL 601873152 (Tel: 6306688250)

📍

Updated Business Mailing Address January 23, 2008

Registered at 2015 N MAIN ST, WHEATON, IL 601873152 (Tel: 6306688250)

👤

Provider Name / Credentials Updated January 23, 2008

Recorded as RUTH WILLIAMS, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 23, 2008

Ophthalmology (License #036-075904 in IL)

🟢

Initial NPI Registration & Enumeration October 14, 2005

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: 1699764597

Entity Type:

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

Enumeration Date: October 14, 2005

Last Update: August 27, 2024

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2015 N Main St

Wheaton, IL 601873190

Phone: 6306688250

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.