Quick answers
- Which hospitals does Asha N. Vijayakumar work at?
- Medicare's official clinician data lists Asha N. Vijayakumar at 3 hospitals: Advocate Good Samaritan Hospital, Advocate Illinois Masonic Medical Center and Advocate Sherman Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Asha N. Vijayakumar see patients?
- Medicare's clinician data lists 1 practice location in Buffalo Grove, IL. Call before your visit to confirm the address.
- What is Asha N. Vijayakumar's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Asha N. Vijayakumar accept Medicare assignment?
- Yes. Medicare's clinician data says Asha N. Vijayakumar 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 Asha N. Vijayakumar offer telehealth?
- Medicare's clinician data says Asha N. Vijayakumar offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Asha N. Vijayakumar?
- (847) 459-1160, as listed in official Medicare / NPI Registry data.
- What is Asha N. Vijayakumar's NPI number?
- 1790724540. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Asha N. Vijayakumar works
Medicare's Facility Affiliation Data lists Asha N. Vijayakumar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Good Samaritan HospitalDowners Grove, IL · Acute Care Hospital · CCN 140288
- Advocate Illinois Masonic Medical CenterChicago, IL · Acute Care Hospital · CCN 140182
- Advocate Sherman HospitalElgin, IL · Acute Care Hospital · CCN 140030
Practice locations
Addresses where Asha N. Vijayakumar is enrolled with Medicare (CMS data updated 2026-10-02).
- 214 McHenry RdBuffalo Grove, IL 60089 (847) 459‑1160
Group practices
Medicare enrollment lists Asha N. Vijayakumar as a member of this group (CMS data updated 2026-10-02).
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Buffalo Grove
Clinicians with the same Medicare primary specialty in Buffalo Grove, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1994 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1790724540 |
| 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