Quick answers
- Which hospitals does Maria C. Aguilera Astudillo work at?
- Medicare's official clinician data lists Maria C. Aguilera Astudillo at 5 hospitals: Northwestern Medicine Central Dupage Hospital, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine Kishwaukee Hospital, OSF Saint Elizabeth MDL Ctr and Valley West Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Maria C. Aguilera Astudillo see patients?
- Medicare's clinician data lists 1 practice location in Sycamore, IL. Call before your visit to confirm the address.
- What is Maria C. Aguilera Astudillo's specialty?
- Medicare lists Endocrinology as the primary specialty, and also Internal Medicine.
- Does Maria C. Aguilera Astudillo accept Medicare assignment?
- Yes. Medicare's clinician data says Maria C. Aguilera Astudillo 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 Maria C. Aguilera Astudillo offer telehealth?
- Medicare's clinician data says Maria C. Aguilera Astudillo offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Maria C. Aguilera Astudillo?
- (815) 766-9901, as listed in official Medicare / NPI Registry data.
- What is Maria C. Aguilera Astudillo's NPI number?
- 1164040887. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Maria C. Aguilera Astudillo works
Medicare's Facility Affiliation Data lists Maria C. Aguilera Astudillo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- 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
- OSF Saint Elizabeth MDL CtrPeru, IL · Acute Care Hospital · CCN 140110
- Valley West Community HospitalSandwich, IL · Critical Access Hospital · CCN 141340
Practice locations
Addresses where Maria C. Aguilera Astudillo is enrolled with Medicare (CMS data updated 2026-10-02).
- 1850 Gateway Dr, Suite 205Sycamore, IL 60178 (815) 766‑9901
Group practices
Medicare enrollment lists Maria C. Aguilera Astudillo as a member of this group (CMS data updated 2026-10-02).
- Central Dupage Physician Group1,080 clinicians in the group
Specialties
- Endocrinologyprimary
- Internal Medicinealso
Other endocrinologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1164040887 |
| 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