Quick answers
- Which hospitals does Ignacio J. Keller Sarmiento work at?
- Medicare's official clinician data lists Ignacio J. Keller Sarmiento at 1 hospital: Northwestern Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ignacio J. Keller Sarmiento see patients?
- Medicare's clinician data lists 1 practice location in Chicago, IL. Call before your visit to confirm the address.
- What is Ignacio J. Keller Sarmiento's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Ignacio J. Keller Sarmiento accept Medicare assignment?
- Yes. Medicare's clinician data says Ignacio J. Keller Sarmiento 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 Ignacio J. Keller Sarmiento offer telehealth?
- Medicare's clinician data says Ignacio J. Keller Sarmiento offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ignacio J. Keller Sarmiento?
- (312) 695-7950, as listed in official Medicare / NPI Registry data.
- What is Ignacio J. Keller Sarmiento's NPI number?
- 1730818287. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ignacio J. Keller Sarmiento works
Medicare's Facility Affiliation Data lists Ignacio J. Keller Sarmiento at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140281
Practice locations
Addresses where Ignacio J. Keller Sarmiento is enrolled with Medicare (CMS data updated 2026-10-02).
- 259 E Erie St, Suite 1900Chicago, IL 60611 (312) 695‑7950
Group practices
Medicare enrollment lists Ignacio J. Keller Sarmiento as a member of this group (CMS data updated 2026-10-02).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Graduation year | 2015 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1730818287 |
| 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