Quick answers
- Which hospitals does David S. Chang work at?
- Medicare's official clinician data lists David S. Chang at 5 hospitals: Northshore University Healthsystem - Evanston Hospital, Northwestern Lake Forest Hospital, Northwestern Medicine McHenry, Northwestern Memorial Hospital and Spectrum Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David S. Chang see patients?
- Medicare's clinician data lists 1 practice location in Lake Forest, IL. Call before your visit to confirm the address.
- What is David S. Chang's specialty?
- Medicare lists Pain Management as the primary specialty, and also Anesthesiology.
- Does David S. Chang accept Medicare assignment?
- Yes. Medicare's clinician data says David S. Chang 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 David S. Chang offer telehealth?
- Medicare's clinician data says David S. Chang offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for David S. Chang?
- (847) 234-5600, as listed in official Medicare / NPI Registry data.
- What is David S. Chang's NPI number?
- 1225378912. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David S. Chang works
Medicare's Facility Affiliation Data lists David S. Chang 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
- Northwestern Lake Forest HospitalLake Forest, IL · Acute Care Hospital · CCN 140130
- Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · CCN 140116
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140281
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · CCN 230038
Practice locations
Addresses where David S. Chang is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 N Westmoreland RdLake Forest, IL 60045 (847) 234‑5600
Group practices
Medicare enrollment lists David S. Chang as a member of this group (CMS data updated 2026-10-02).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
Specialties
- Pain Managementprimary
- Anesthesiologyalso
Other pain management doctors in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Rowan University School Of Osteopathic Medicine |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1225378912 |
| 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