Quick answers
- Which hospitals does Vincent Doan work at?
- Medicare's official clinician data lists Vincent Doan at 2 hospitals: Northwestern Lake Forest Hospital and Northwestern Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Vincent Doan see patients?
- Medicare's clinician data lists 1 practice location in Grayslake, IL. Call before your visit to confirm the address.
- What is Vincent Doan's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Vincent Doan accept Medicare assignment?
- Yes. Medicare's clinician data says Vincent Doan 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.
- What is the phone number for Vincent Doan?
- (847) 535-7057, as listed in official Medicare / NPI Registry data.
- What is Vincent Doan's NPI number?
- 1215671391. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Vincent Doan works
Medicare's Facility Affiliation Data lists Vincent Doan 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 Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140281
Practice locations
Addresses where Vincent Doan is enrolled with Medicare (CMS data updated 2026-10-02).
- 1275 E Belvidere Rd, Suite 250Grayslake, IL 60030 (847) 535‑7057
Group practices
Medicare enrollment lists Vincent Doan as a member of this group (CMS data updated 2026-10-02).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Grayslake
Clinicians with the same Medicare primary specialty in Grayslake, IL — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Liberty Univ College Of Osteopathic Medicine |
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215671391 |
| 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