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Dr. Sara Ruddock-Walker, MD
NPI1558711101PAC ID8820380744
- Medicare services, 2024
- 148
- Medicare patients, 2024
- 65
- Part D claims, 2024
- 42
- Publications
- 1
- Hospital affiliations
- 2
- 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 Dr. Ruddock-Walker's 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. Sara Ruddock-Walker is a hospitalist in Winfield, Illinois
Dr. Ruddock-Walker practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare.
Dr. Ruddock-Walker's NPI, 1558711101, was assigned on June 14, 2016. Dr. Ruddock-Walker graduated from Loyola University of Chicago, Stritch School of Medicine in 2016. Dr. Ruddock-Walker holds Illinois license 036151710.
NPI and contact details
- NPI
- 1558711101NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820380744
- NPI enumeration date
- June 14, 2016
- 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
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sara Ruddock-Walker practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois
Dr. Ruddock-Walker's 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
Dr. Sara Ruddock-Walker is affiliated with 4 sites of care and 2 medical groups
Dr. Ruddock-Walker's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dr. Ruddock-Walker is also affiliated with Rush University Medical Center. The medical group on file is Northwestern Medicine Regional Medical Group. Dmand AI also links Dr. Ruddock-Walker to 1 more breast imaging center, 1 clinical lab and 1 medical group, each named with a free account.
Rush University Medical CenterNorthwestern Medicine Regional Medical Group1 breast imaging centerName with a free account1 clinical labName with a free account1 medical groupName with a free account
See all 6 affiliations for Dr. Ruddock-WalkerSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sara Ruddock-Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ruddock-Walker practices, 4 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 |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Sara Ruddock-Walker is one of 1,321 hospitalists in Illinois
Hospitalist is Dr. Ruddock-Walker's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Ruddock-Walker is licensed in Illinois.
Specialties and state licenses
- Hospitalist, IllinoisPrimary
Hospitalists near Dr. Ruddock-Walker
Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.
1,321hospitalists in Illinois61hospitalists in Winfield63hospitalists at Northwestern Medicine Central DuPage Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Sara Ruddock-Walker billed Medicare for 148 services in 2024
CMS data shows 148 Medicare services from Dr. Ruddock-Walker across 4 procedure codes in 2024, for 65 Medicare patients. Medicare paid $13,768 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024148
Medicare patients65
Paid by Medicare$13,768
Procedure codes4
Dr. Ruddock-Walker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2382024: 14838%
Dr. Ruddock-Walker compared with the Illinois median for hospitalists, 2024
- Dr. Ruddock-Walker
- Illinois median
- Medicare services
- 148vs 54373% below
- Medicare patients
- 65vs 24273% below
Medians across 1,248 hospitalists in Illinois with Dmand AI profiles that report each measure.
Dr. Ruddock-Walker's 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
Dr. Sara Ruddock-Walker treated 65 Medicare patients in 2024, average age 72
CMS counts 65 Medicare patients who saw Dr. Ruddock-Walker in 2024. The largest group is 75 to 84, with 21 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 54% are also on Medicaid. Their average risk score is 3.94, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ruddock-Walker's median patient age at 68, with 49% women.
Medicare patients, 202465
Average age72
Average risk score3.94
Also on Medicaid54%
Dr. Ruddock-Walker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ruddock-Walker's Medicare patients by sex, 2024
- Women3757%
- Men2843%
Chronic conditions among Dr. Ruddock-Walker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease66%
- Ischemic heart disease63%
- Heart failure60%
- Diabetes57%
- Arthritis54%
- Atrial fibrillation38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ruddock-Walker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sara Ruddock-Walker wrote 42 Medicare Part D claims in 2024
In 2024, Dr. Ruddock-Walker wrote 42 Medicare Part D claims for 22 patients. 95% of them were for generic drugs.
Part D claims, 202442
Part D patients22
Dr. Ruddock-Walker's Part D claims by kind of drug, 2024
- Generic40 claims95%
- Brand-name and other2 claims5%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Sara Ruddock-Walker takes part in Medicare
Dr. Ruddock-Walker 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. Sara Ruddock-Walker has 1 publication on record
Dmand AI links 1 paper to Dr. Ruddock-Walker. Dr. Ruddock-Walker's most frequent co-author is Carla Z. Minutti.
Papers1
Dr. Ruddock-Walker's most frequent co-authors
Recent publications by Dr. Ruddock-Walker
See who Dr. Ruddock-Walker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ruddock-Walker works with, so you can find a warm path to the right hospitalists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Sara Ruddock-Walker graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Ruddock-Walker graduated from Loyola University of Chicago, Stritch School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sara Ruddock-Walker'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 (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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Sara Ruddock-Walker
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. Sara Ruddock-Walker's NPI number?
Dr. Sara Ruddock-Walker's NPI number is 1558711101. It was assigned on June 14, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Sara Ruddock-Walker?
Dr. Sara Ruddock-Walker is a hospitalist in Winfield, Illinois. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Sara Ruddock-Walker practice?
Dr. Ruddock-Walker practices at 25 North Winfield Road, Winfield, IL 60190. Dr. Ruddock-Walker's primary practice is Northwestern Medicine Central DuPage Hospital in Winfield, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Ruddock-Walker to 1 breast imaging center, 1 clinical lab and 1 medical group.
What is Dr. Sara Ruddock-Walker's office phone number?
The practice phone on file for Dr. Ruddock-Walker is (630) 682-1600.
What is Dr. Sara Ruddock-Walker's medical license number?
Dr. Ruddock-Walker holds Illinois license 036151710.
Which hospitals is Dr. Sara Ruddock-Walker affiliated with?
Dr. Ruddock-Walker practices at Northwestern Medicine Central DuPage Hospital in Winfield, Illinois. Dr. Ruddock-Walker is also affiliated with Rush University Medical Center.
What medical group is Dr. Sara Ruddock-Walker part of?
Dr. Ruddock-Walker is linked to Northwestern Medicine Regional Medical Group. Dmand AI links Dr. Ruddock-Walker to 1 more medical group.
Does Dr. Sara Ruddock-Walker accept Medicare?
Yes. CMS data shows Dr. Ruddock-Walker billed Medicare for 148 services in 2024, and Dr. Ruddock-Walker accepts Medicare assignment.
How many Medicare patients does Dr. Sara Ruddock-Walker see?
CMS counts 65 Medicare patients who saw Dr. Ruddock-Walker in 2024, with an average age of 72.
What services does Dr. Sara Ruddock-Walker bill to Medicare?
In 2024, Dr. Ruddock-Walker's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Show 4 more questionsShow fewer questions
Where did Dr. Sara Ruddock-Walker go to medical school?
Dr. Ruddock-Walker graduated from Loyola University of Chicago, Stritch School of Medicine in 2016.
How long has Dr. Sara Ruddock-Walker been practicing?
Dr. Ruddock-Walker graduated from medical school in 2016, 10 years ago.
Does Dr. Sara Ruddock-Walker do research?
Dmand AI links 1 publication to Dr. Ruddock-Walker.
Who does Dr. Sara Ruddock-Walker publish with?
Dr. Ruddock-Walker's most frequent co-authors are Carla Z. Minutti (1 shared paper).
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