Doctor profile · Federal record
Dr. Sara Ruddock-Walker, M.D.
Hospitalist Physician (CMS: Hospitalist) · Pediatrics Physician · Internal Medicine Physician · Pediatrics Physician · Winfield, IL
- NPI 1558711101
- Accepts Medicare
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
25 N Winfield RD
Winfield, IL 601901379
(630) 933-4700
fax (630) 933-4427 - Additional location
-
26W171 Roosevelt RD
Wheaton, IL 601876002
Credentials & registration
- NPI registered
- June 2016 — 10 yrs on file
- Profile last updated
- February 18, 2026
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State licenses (3)
- Illinois #036151710 · Illinois #125.069373 · Illinois #036.151710
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558711101. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
238
Distinct HCPCS
5
Medicare allowed
$28,756
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 81 | 49 | $127 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 64 | 38 | $85 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 41 | 41 | $185 | |
99239 |
Hospital discharge day management, more than 30 minutes | 27 | 26 | $122 | |
99238 |
Hospital discharge day management, 30 minutes or less | 25 | 25 | $86 |
In context: peer comparison
Among 31 peers in this city , average services per provider: 153. This provider delivers 1.6× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Sara Ruddock-Walker's medical specialty?
Dr. Sara Ruddock-Walker practices Hospitalist Physician in Winfield, IL.
Where does Dr. Sara Ruddock-Walker practice?
Dr. Sara Ruddock-Walker practices at 25 N Winfield RD, Winfield, IL 601901379. Office phone: 6309334700.
What is Dr. Sara Ruddock-Walker's NPI?
Dr. Sara Ruddock-Walker's National Provider Identifier (NPI) is 1558711101, issued by NPPES.
Does Dr. Sara Ruddock-Walker accept Medicare assignment?
Yes. Dr. Sara Ruddock-Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sara Ruddock-Walker commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.