Quick answers
- Does Ambili M. Jacob accept Medicare assignment?
- Yes. Medicare's clinician data says Ambili M. Jacob accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Ambili M. Jacob's NPI number?
- 1275369126. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ambili M. Jacob works
Medicare's Facility Affiliation Data lists Ambili M. Jacob at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Advocate Good Shepherd HospitalBarrington, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140291
- Advocate Sherman HospitalElgin, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140030
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
Practice locations
Addresses where Ambili M. Jacob is enrolled with Medicare (CMS data updated October 2, 2026).
- 22285 N Pepper Rd, Suite 409Lake Barrington, IL 60010 (847) 382‑7165
- 5744 N Broadway StChicago, IL 60660 (312) 335‑0180
Group practices
Medicare enrollment lists Ambili M. Jacob as a member of this group (CMS data updated October 2, 2026).
- George N Atia MD SC13 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Lake Barrington
Clinicians with the same Medicare primary specialty in Lake Barrington, IL — not a recommendation.
Other clinicians in George N Atia MD SC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1275369126 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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