Summer A. Williams
- Medicare services, 2024
- 110
- Medicare patients, 2024
- 215
- Hospital affiliations
- 1
- Industry payments
- $14
- Medical groups
- 3
- Practice address
- 25 North Winfield Road, Winfield, IL 60190
- Practice phone
- Call (630) 682-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Summer 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.
Summer A. Williams is an anesthesiologist in Winfield, Illinois
Summer Williams practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare.
Summer Williams' NPI, 1114283876, was assigned on April 7, 2012. Summer Williams holds Illinois license 036166223.
- NPI
- 1114283876NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890914220
- NPI enumeration date
- April 7, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 682-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Summer A. Williams practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois
Summer Williams' primary practice is Northwestern Medicine Central DuPage Hospital, at 25 North Winfield Road, Winfield, IL 60190 in Du Page County. The practice phone is (630) 682-1600.
- Northwestern Medicine Central DuPage Hospital25 North Winfield Road, Winfield, IL 60190 · Du Page CountyPhone(630) 682-1600
Source: Dmand AI Affiliation Data
Summer A. Williams is affiliated with 3 sites of care and 3 medical groups
Summer Williams' primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Summer Williams to 2 more medical groups, 1 breast imaging center and 1 clinical lab, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Summer A. Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Summer Williams practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine Central DuPage Hospital | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwestern Memorial HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Summer A. Williams is one of 1,887 anesthesiologists in Illinois
Anesthesiology is Summer Williams' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Summer Williams' licenses on file in 2 states: Illinois and Tennessee.
Specialties and state licenses
- Anesthesiology, IllinoisPrimary
- Tennessee license
Anesthesiologists near Summer Williams
Counts of anesthesiologists 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
Summer A. Williams billed Medicare for 110 services in 2024
CMS data shows 110 Medicare services from Summer Williams across 6 procedure codes in 2024, for 215 Medicare patients. Medicare paid $11,555 for them. Every service was in a facility, such as a hospital, rather than an office.
Summer Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 652024: 8632%
- Surgery
- 2023: 02024: 24
Summer Williams compared with the Illinois median for anesthesiologists, 2024
- Summer Williams
- Illinois median
- Medicare services
- 110vs 9121% above
- Medicare patients
- 215vs 15737% above
Medians across 1,742 anesthesiologists in Illinois with Dmand AI profiles that report each measure.
Summer 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.
Need commercial claims for Summer Williams?
Medicare shows one payer. Book a meeting to get commercial claims data for Summer Williams and other anesthesiologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Summer A. Williams treated 215 Medicare patients in 2024, average age 75
CMS counts 215 Medicare patients who saw Summer Williams in 2024. The largest group is 65 to 74, with 94 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.61, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Summer Williams' median patient age at 69, with 58% women.
Summer Williams' Medicare patients by age, 2024
Summer Williams' Medicare patients by sex, 2024
- Women11152%
- Men10448%
Chronic conditions among Summer Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Ischemic heart disease38%
- Mood disorders36%
- Anxiety33%
- Chronic kidney disease33%
- Depression32%
Share of Medicare patients with each condition. A patient can have several.
Summer 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
- Women58%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Summer A. Williams takes part in Medicare
Summer 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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Summer A. Williams received $14 in industry payments in 2023
CMS Open Payments shows 1 general payment to Summer Williams from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Fisher & Paykel Healthcare Inc paid the most, $14.
Companies that paid Summer Williams the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Summer A. 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) |
| 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) |
| 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 Summer A. 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 Summer A. Williams' NPI number?
Summer A. Williams' NPI number is 1114283876. It was assigned on April 7, 2012, and it is active in the NPI Registry.
What does Summer A. Williams specialize in?
Summer A. Williams is an anesthesiologist in Winfield, Illinois. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Summer A. Williams practice?
Summer Williams practices at 25 North Winfield Road, Winfield, IL 60190. Summer Williams' primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Summer Williams to 2 medical groups, 1 breast imaging center and 1 clinical lab.
What is Summer A. Williams' office phone number?
The practice phone on file for Summer Williams is (630) 682-1600.
What is Summer A. Williams' medical license number?
Summer Williams holds Illinois license 036166223, one of the licenses on file in 2 states.
Which states has Summer A. Williams been licensed in?
Dmand AI has state licenses on file for Summer Williams in Illinois and Tennessee.
Which hospitals is Summer A. Williams affiliated with?
Summer Williams practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois.
What medical group is Summer A. Williams part of?
Summer Williams is linked to Northwestern Medical Faculty Foundation. Dmand AI links Summer Williams to 2 more medical groups.
Does Summer A. Williams accept Medicare?
Yes. CMS data shows Summer Williams billed Medicare for 110 services in 2024, and Summer Williams accepts Medicare assignment.
How many Medicare patients does Summer A. Williams see?
CMS counts 215 Medicare patients who saw Summer Williams in 2024, with an average age of 75.
Show 3 more questionsShow fewer questions
What services does Summer A. Williams bill to Medicare?
In 2024, Summer Williams' most billed Medicare services were surgery: heart and blood vessels (36620), anesthesia (00731) and anesthesia (00813).
Has Summer A. Williams received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Summer Williams from 1 company from 2023 to 2023. The largest total came from Fisher & Paykel Healthcare Inc.
How long has Summer A. Williams been practicing?
Summer Williams graduated from medical school in 2012, 14 years ago.
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