Quick answers
- Which hospitals does John Brayton work at?
- Medicare's official clinician data lists John Brayton at 5 hospitals: Northwestern Lake Forest Hospital, Northwestern Medicine Central Dupage Hospital, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine Kishwaukee Hospital and Northwestern Medicine McHenry. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Brayton see patients?
- Medicare's clinician data lists 10 practice locations, including St Charles, IL, Geneva, IL and Naperville, IL. Call before your visit to confirm the address.
- What is John Brayton's specialty?
- Medicare lists Neurosurgery as the primary specialty.
- Does John Brayton accept Medicare assignment?
- Yes. Medicare's clinician data says John Brayton 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.
- Does John Brayton offer telehealth?
- Medicare's clinician data says John Brayton offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John Brayton?
- (630) 377-6500, as listed in official Medicare / NPI Registry data.
- What is John Brayton's NPI number?
- 1528179363. 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 Brayton works
Medicare's Facility Affiliation Data lists John Brayton at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwestern Lake Forest HospitalLake Forest, IL · Acute Care Hospital · CCN 140130
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Northwestern Medicine Delnor Community HospitalGeneva, IL · Acute Care Hospital · CCN 140211
- Northwestern Medicine Kishwaukee HospitalDekalb, IL · Acute Care Hospital · CCN 140286
- Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · CCN 140116
Practice locations
Addresses where John Brayton is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.
- 2900 Foxfield Rd, Suite 100St Charles, IL 60174 (630) 377‑6500
- 300 Randall RdGeneva, IL 60134 (630) 208‑4060
- 302 Delnor Dr, Suite 206Geneva, IL 60134 (331) 732‑4600
- 304 Randall RdGeneva, IL 60134
- 345 Delnor DrGeneva, IL 60134 (630) 938‑3100
Group practices
Medicare enrollment lists John Brayton as a member of this group (CMS data updated 2026-10-02).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
Specialties
- Neurosurgeryprimary
Other neurosurgeons in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1528179363 |
| 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