Quick answers
- Which hospitals does Douglas E. Merkel work at?
- Medicare's official clinician data lists Douglas E. Merkel at 4 hospitals: Northshore University Healthsystem - Evanston Hospital, Northwest Community Hospital 1, Northwestern Lake Forest Hospital and Swedish Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Douglas E. Merkel see patients?
- Medicare's clinician data lists 5 practice locations, including Glenview, IL, Evanston, IL and Highland Park, IL. Call before your visit to confirm the address.
- What is Douglas E. Merkel's specialty?
- Medicare lists Medical Oncology as the primary specialty.
- Does Douglas E. Merkel accept Medicare assignment?
- Yes. Medicare's clinician data says Douglas E. Merkel 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 Douglas E. Merkel?
- (847) 926-6810, as listed in official Medicare / NPI Registry data.
- What is Douglas E. Merkel's NPI number?
- 1235156811. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Douglas E. Merkel works
Medicare's Facility Affiliation Data lists Douglas E. Merkel at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northshore University Healthsystem - Evanston HospitalEvanston, IL · Acute Care Hospital · CCN 140010
- Northwest Community Hospital 1Arlington Heights, IL · Acute Care Hospital · CCN 140252
- Northwestern Lake Forest HospitalLake Forest, IL · Acute Care Hospital · CCN 140130
- Swedish HospitalChicago, IL · Acute Care Hospital · CCN 140114
Practice locations
Addresses where Douglas E. Merkel is enrolled with Medicare (CMS data updated 2026-10-02).
- 2180 Pfingsten RdGlenview, IL 60026
- 2650 Ridge AveEvanston, IL 60201
- 757 Park Ave WHighland Park, IL 60035
- 767 Park Ave W, Suite 110Highland Park, IL 60035 (847) 926‑6810
- 777 Park Ave WHighland Park, IL 60035
Group practices
Medicare enrollment lists Douglas E. Merkel as a member of this group (CMS data updated 2026-10-02).
- Endeavor Health Medical Group3,350 clinicians in the group
Specialties
- Medical Oncologyprimary
Other oncologists in Glenview
Clinicians with the same Medicare primary specialty in Glenview, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235156811 |
| 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