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ROBERT TRACY WILLIAMS OD
NPI 1528032430
Ophthalmology in Maywood, IL

Active since February 15, 2006PECOS EnrolledAccepts Medicare Assignment
2160 S FIRST AVE, (LUH-NORTH ENT., RM. 2601), MAYWOOD, IL 60153(708) 216-3408(708) 216-3557 Get Directions Write a Review

NPPES record last updated: June 16, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Robert Tracy Williams Od NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROBERT TRACY WILLIAMS OD (NPI 1528032430) is an individual ophthalmology provider in Maywood, Illinois, licensed in Illinois (46007266) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Loyola University Medical Center, and is a graduate of Illinois College Of Optometry At Chicago (1979).

NPPES Registry Identity

NPI1528032430
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameROBERT TRACY WILLIAMSCredential: OD
Location Address2160 S FIRST AVE, (LUH-NORTH ENT., RM. 2601)Maywood, IL 60153
Mailing Address2160 S First Ave, (luh-north Ent., Rm. 2601)Maywood, IL 60153 · (708) 216-3408 · Fax (708) 216-3557
Phone(708) 216-3408
Fax(708) 216-3557
Sole ProprietorNo
Medical School CMSIllinois College Of Optometry At ChicagoGraduated 1979
Enumeration DateFebruary 15, 2006
Last NPPES UpdateJune 16, 2021
NPPES CertifiedJune 16, 2021
✔ NPI 1528032430 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in IL · 46007266
Definition
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.
2160 S FIRST AVE, Maywood, IL 60153
Open in Google Maps ↗

Other Identifiers 1

Medicaid46007266IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Robert Tracy Williams Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID143276147
PECOS Enrollment IDI20050728000895
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Robert Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Loyola University Medical Center
0.1 mi
General Practice
2160 S 1ST AVE
Maywood, IL 60153
  • Reassigned Medicare billing, Illinois enrollment
  • 1,138 clinicians in this Medicare group
NPI 1336159961 (708) 216-3215
Spectrios Institute For Low Vision
14 mi
Low Vision Rehabilitation
219 E COLE AVE
Wheaton, IL 60187
  • Reassigned Medicare billing, Illinois enrollment
  • 5 clinicians in this Medicare group
NPI 1033215447 (630) 690-7115

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
160 services156 patients
Exam of visual field with intermediate testing 92082
An exam of the visual field with intermediate testing is a procedure that checks your peripheral (side) vision. It helps to identify blind spots which could be a sign of eye diseases. This non-invasive test is painless and quick.
128 services128 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
123 services104 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
66 services66 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
57 services50 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Loyola University Medical Center

Acute Care Hospitals · Maywood, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140276
Location2160 S 1st AvenueMaywood, IL 60153 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60153 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RACHEL JUDITH DAVIS PSYD
Psychiatry & Neurology (Psychiatry)
2160 S FIRST AVE, LOYOLA UNIVERSITY MEDICAL CENTER 101-1740
MAYWOOD, IL 60153
Cook County (708) 216-9000
FRANCIS HARFORD MD
Surgery
2160 S FIRST AVE, EMS BLDG., 3RD FLOOR
MAYWOOD, IL 60153
Cook County (708) 327-2647
SHERINE HANNA MD
Anesthesiology
2160 S FIRST AVE, BLDG., RM. 3102
MAYWOOD, IL 60153
Cook County (708) 216-8866
HOLLY KRAMER MD
Internal Medicine (Nephrology)
2160 S FIRST AVE, 101-1740 LOYOLA UNIVERSITY MEDICAL CENTER
MAYWOOD, IL 60153
Cook County (708) 216-9000
TRAC XUAN NGHIEM MD
Emergency Medicine
2160 S FIRST AVE, EMS BLDG., RM. 2700
MAYWOOD, IL 60153
Cook County (708) 327-2700
MALIHA J SHAREEF MD
Pediatrics (Neonatal-Perinatal Medicine)
2160 S FIRST AVE, (MAGUIRE CENTER, RM. 3307)
MAYWOOD, IL 60153
Cook County (708) 216-4403
PATRICK FAHEY MD
Internal Medicine (Critical Care Medicine)
2160 S FIRST AVE, LUH-NORTH ENT., RM. 7604
MAYWOOD, IL 60153
Cook County (708) 216-5402
COLEEN NAPOLITANO DPM
Orthopaedic Surgery
2160 S FIRST AVE, (7511 LEMONT RD, DARIEN, IL. 60561)
MAYWOOD, IL 60153
Cook County (630) 985-4989

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Robert Williams's NPI number?

The NPI number for Robert Williams is 1528032430. It was assigned to this individual provider in the NPPES registry on February 15, 2006.

Where is Robert Williams located?

Robert Williams practices at 2160 S First Ave (luh-North Ent., Rm. 2601), Maywood, IL 60153. The listed phone number is (708) 216-3408.

What is Robert Williams's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Robert Williams enrolled in Medicare?

Yes. Robert Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Robert Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Williams reassigns Medicare benefits to 2 organizations: Loyola University Medical Center (Maywood, IL) and Spectrios Institute For Low Vision (Wheaton, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Robert Williams affiliated with any hospitals?

According to CMS data, Robert Williams is affiliated with Loyola University Medical Center.

When was this NPI record last updated?

The NPPES record for Robert Williams was last updated on June 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.