Dr. Keith G. Williams, MD
- Medicare services, 2024
- 105
- Medicare patients, 2024
- 59
- Industry payments
- $1,336
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 100 W 162nd St, South Holland, IL 60473
- Practice phone
- Call (847) 390-5900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advocate Medical Group
South Holland, Illinois
Find Dr. Williams' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Keith G. Williams is a pediatrician in South Holland, Illinois
Dr. Williams practices at Advocate Medical Group in South Holland, Illinois.
Dr. Williams' NPI, 1851304901, was assigned on August 13, 2006. Dr. Williams graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1983. Dr. Williams holds Illinois license 036-070902.
- NPI
- 1851304901NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658401716
- NPI enumeration date
- August 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 390-5900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Keith G. Williams practices at Advocate Medical Group in South Holland, Illinois
Dr. Williams' primary practice is Advocate Medical Group, at 100 W 162nd St, South Holland, IL 60473 in Cook County. The practice phone is (847) 390-5900.
- Advocate Medical Group100 W 162nd St, South Holland, IL 60473 · Cook CountyPhone(847) 390-5900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Keith G. Williams is affiliated with 3 sites of care and 2 medical groups
Dr. Williams' primary practice is Advocate Medical Group in South Holland, Illinois. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Dr. Williams to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Keith G. Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Medical Group | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Keith G. Williams is one of 2,423 pediatricians in Illinois
Pediatrics is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Williams is licensed in Illinois.
Specialties and state licenses
- Pediatrics, IllinoisPrimary
Pediatricians near Dr. Williams
Counts of pediatricians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Keith G. Williams billed Medicare for 105 services in 2024
CMS data shows 105 Medicare services from Dr. Williams across 2 procedure codes in 2024, for 59 Medicare patients. Medicare paid $5,795 for them. Every service was in an office.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 512024: 546%
- Tests and treatments
- 2023: 462024: 5111%
Dr. Williams compared with the Illinois median for pediatricians, 2024
- Dr. Williams
- Illinois median
- Medicare services
- 105vs 16034% below
- Medicare patients
- 59vs 8228% below
Medians across 297 pediatricians in Illinois with Dmand AI profiles that report each measure.
Dr. Williams' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williams and other pediatricians in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Keith G. Williams treated 59 Medicare patients in 2024, average age 71
CMS counts 59 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 35 patients. 75% of them have high blood pressure, and 51% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 20, with 51% women.
Dr. Williams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Williams' Medicare patients by sex, 2024
- Women4373%
- Men1627%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol51%
- Arthritis42%
- Diabetes42%
- Chronic kidney disease37%
- Heart failure22%
- Cancer20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 20
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Keith G. Williams takes part in Medicare
Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Keith G. Williams received $1,336 in industry payments from 2016 to 2025
CMS Open Payments shows 53 general payments to Dr. Williams from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 74% of the total. Abbvie Inc. paid the most, $350.
General payments to Dr. Williams by program year, 2016 to 2025
General payments to Dr. Williams by kind, 2016 to 2025
- Food and beverage$98674%
- Consulting fees$35026%
Companies that paid Dr. Williams the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Keith G. Williams graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Williams graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Keith G. Williams's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Keith G. Williams
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Keith G. Williams' NPI number?
Dr. Keith G. Williams' NPI number is 1851304901. It was assigned on August 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Keith G. Williams?
Dr. Keith G. Williams is a pediatrician in South Holland, Illinois. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Keith G. Williams practice?
Dr. Williams practices at 100 W 162nd St, South Holland, IL 60473. Dr. Williams' primary practice is Advocate Medical Group in South Holland, Illinois. Dmand AI also links Dr. Williams to 2 group practices and clinics and 1 medical group.
What is Dr. Keith G. Williams' office phone number?
The practice phone on file for Dr. Williams is (847) 390-5900.
What is Dr. Keith G. Williams' medical license number?
Dr. Williams holds Illinois license 036-070902.
What medical group is Dr. Keith G. Williams part of?
Dr. Williams is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Dr. Williams to 1 more medical group.
Does Dr. Keith G. Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 105 services in 2024, and Dr. Williams accepts Medicare assignment.
How many Medicare patients does Dr. Keith G. Williams see?
CMS counts 59 Medicare patients who saw Dr. Williams in 2024, with an average age of 71.
What services does Dr. Keith G. Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were medicare service (G0008) and vaccine or vaccine administration (90662).
Where did Dr. Keith G. Williams go to medical school?
Dr. Williams graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1983.
Has Dr. Keith G. Williams received payments from drug or device companies?
CMS Open Payments shows $1,336 in general payments to Dr. Williams from 16 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Keith G. Williams been practicing?
Dr. Williams graduated from medical school in 1983, 43 years ago.
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