Quick answers
- Which hospitals does John L. Daniels work at?
- Medicare's official clinician data lists John L. Daniels at 3 hospitals: Advocate Good Shepherd Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Medicine McHenry. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John L. Daniels see patients?
- Medicare's clinician data lists 6 practice locations, including Elgin, IL, Rockford, IL and McHenry, IL. Call before your visit to confirm the address.
- What is John L. Daniels's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does John L. Daniels accept Medicare assignment?
- Yes. Medicare's clinician data says John L. Daniels accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for John L. Daniels?
- (815) 398-9491, as listed in official Medicare / NPI Registry data.
- What is John L. Daniels's NPI number?
- 1639188519. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John L. Daniels works
Medicare's Facility Affiliation Data lists John L. Daniels at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Good Shepherd HospitalBarrington, IL · Acute Care Hospital · CCN 140291
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · CCN 140116
Practice locations
Addresses where John L. Daniels is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1550 N Randall RdElgin, IL 60123 (815) 398‑9491
- 324 Roxbury RdRockford, IL 61107 (815) 398‑9491
- 4119 W Shamrock LnMcHenry, IL 60050 (815) 398‑9494
- 5875 E Riverside BlvdRockford, IL 61114 (815) 398‑9491
- 650 S Randall RdAlgonquin, IL 60102 (815) 381‑7431
Group practices
Medicare enrollment lists John L. Daniels as a member of this group (CMS data updated 2026-10-02).
- Orthomidwest, PLLC547 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Elgin
Clinicians with the same Medicare primary specialty in Elgin, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Southern Illinois University School Of Medicine |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639188519 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians