Renaldo Williams
- Medicare services, 2024
- 70
- Medicare patients, 2024
- 59
- Part D claims, 2016
- 11
- MIPS score, 2024
- 97
- Hospital affiliations
- 1
- Practice address
- 1901 W Harrison St, Chicago, IL 60612
- Practice phone
- Call (312) 864-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Renaldo 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.
Renaldo Williams is a general surgeon in Chicago, Illinois
Renaldo Williams practices at John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois, part of Cook County Government.
Renaldo Williams' NPI, 1124463393, was assigned on May 1, 2013. Renaldo Williams holds Maryland license D92134.
- NPI
- 1124463393NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850694332
- NPI enumeration date
- May 1, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 864-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Renaldo Williams practices at John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois
Renaldo Williams' primary practice is John H. Stroger, Jr. Hospital of Cook County, at 1901 W Harrison St, Chicago, IL 60612 in Cook County. The practice phone is (312) 864-6000.
- John H. Stroger, Jr. Hospital of Cook County1901 W Harrison St, Chicago, IL 60612 · Cook CountyPhone(312) 864-6000
Source: Dmand AI Affiliation Data
Renaldo Williams is affiliated with 1 site of care and 2 medical groups
Renaldo Williams' primary practice is John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois, part of Cook County Government. The medical group on file is John H. Stroger, Jr. Hospital of Cook County. Dmand AI also links Renaldo Williams to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Renaldo Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Renaldo Williams practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John H. Stroger, Jr. Hospital of Cook County | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Renaldo Williams is one of 1,217 general surgeons in Illinois
Surgery is Renaldo Williams' primary specialty in the NPI Registry, under taxonomy code 208600000X. Renaldo Williams is board certified in surgical critical care by the American Board of Emergency Medicine. Renaldo Williams is licensed in Maryland.
Specialties and state licenses
- Surgery, MarylandPrimary
General surgeons near Renaldo Williams
Counts of general surgeons 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
Renaldo Williams billed Medicare for 70 services in 2024
CMS data shows 70 Medicare services from Renaldo Williams across 2 procedure codes in 2024, for 59 Medicare patients. Medicare paid $9,402 for them. Every service was in a facility, such as a hospital, rather than an office.
Renaldo Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 842024: 7017%
Renaldo Williams compared with the Illinois median for general surgeons, 2024
- Renaldo Williams
- Illinois median
- Medicare services
- 70vs 19464% below
- Medicare patients
- 59vs 14459% below
- Part D claims
- 11vs 2861% below
Medians across 1,031 general surgeons in Illinois with Dmand AI profiles that report each measure.
Renaldo 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Renaldo Williams treated 59 Medicare patients in 2024, average age 74
CMS counts 59 Medicare patients who saw Renaldo Williams in 2024. The largest group is 65 to 74, with 26 patients. 73% of them have high blood pressure, and 51% have high cholesterol. 58% are also on Medicaid. Their average risk score is 1.99, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Renaldo Williams' median patient age at 69, with 43% women.
Renaldo Williams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Renaldo Williams' Medicare patients by sex, 2024
- Women2644%
- Men3356%
Chronic conditions among Renaldo Williams' Medicare patients, 2024
- High blood pressure73%
- High cholesterol51%
- Arthritis44%
- Mood disorders42%
- Depression37%
- Ischemic heart disease34%
- Atrial fibrillation32%
- Diabetes32%
Share of Medicare patients with each condition. A patient can have several.
Renaldo Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women43%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Renaldo Williams wrote 11 Medicare Part D claims in 2016
In 2016, Renaldo Williams wrote 11 Medicare Part D claims. They cover 1 drug, with $111 in total drug cost.
Renaldo Williams' most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Renaldo Williams scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Renaldo Williams for performance year 2024, reported as part of a group. Renaldo Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Renaldo Williams' MIPS scores, performance year 2024
- 97of 100Final score
- 92.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 80of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Renaldo Williams received $8,442 in industry payments from 2024 to 2025
CMS Open Payments shows 36 general payments to Renaldo Williams from 4 drug and device companies from 2024 to 2025. Education make up the largest share, 68% of the total. Intuitive Surgical, Inc. paid the most, $8,253.
General payments to Renaldo Williams by program year, 2024 to 2025
General payments to Renaldo Williams by kind, 2024 to 2025
- Education$5,70668%
- Travel and lodging$2,22726%
- Food and beverage$5096%
Companies that paid Renaldo Williams the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Renaldo Williams is board certified in surgical critical care
- Board certified in surgical critical care
Source: Dmand AI Professional Profile Data
Sources for Renaldo 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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)Clinician Public Reporting: Overall MIPS Performance (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 Renaldo 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 Renaldo Williams' NPI number?
Renaldo Williams' NPI number is 1124463393. It was assigned on May 1, 2013, and it is active in the NPI Registry.
What does Renaldo Williams specialize in?
Renaldo Williams is a general surgeon in Chicago, Illinois. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Renaldo Williams practice?
Renaldo Williams practices at 1901 W Harrison St, Chicago, IL 60612. Renaldo Williams' primary practice is John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois, part of Cook County Government. Dmand AI also links Renaldo Williams to 1 medical group.
What is Renaldo Williams' office phone number?
The practice phone on file for Renaldo Williams is (312) 864-6000.
What is Renaldo Williams' medical license number?
Renaldo Williams holds Maryland license D92134.
Which hospitals is Renaldo Williams affiliated with?
Renaldo Williams practices at John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois.
What medical group is Renaldo Williams part of?
Renaldo Williams is linked to John H. Stroger, Jr. Hospital of Cook County. Dmand AI links Renaldo Williams to 1 more medical group.
Does Renaldo Williams accept Medicare?
Yes. CMS data shows Renaldo Williams billed Medicare for 70 services in 2024, and Renaldo Williams accepts Medicare assignment.
What is Renaldo Williams' MIPS score?
Renaldo Williams' MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Renaldo Williams see?
CMS counts 59 Medicare patients who saw Renaldo Williams in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
Is Renaldo Williams board certified?
Yes. Renaldo Williams is board certified in surgical critical care by the American Board of Emergency Medicine.
What services does Renaldo Williams bill to Medicare?
In 2024, Renaldo Williams' most billed Medicare services were critical care (99291) and hospital inpatient care (99232).
What drugs does Renaldo Williams prescribe most?
In 2016 Medicare Part D data, Renaldo Williams' most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Renaldo Williams received payments from drug or device companies?
CMS Open Payments shows $8,442 in general payments to Renaldo Williams from 4 companies from 2024 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Renaldo Williams been practicing?
Renaldo Williams graduated from medical school in 2013, 13 years ago.
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