Quick answers
- Which hospitals does David A. Olmstead work at?
- Medicare's official clinician data lists David A. Olmstead at 5 hospitals: Advocate Christ Hospital & Medical Center, Advocate Good Samaritan Hospital, Advocate Trinity Hospital, Northwestern Medicine Central Dupage Hospital and Palos Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David A. Olmstead see patients?
- Medicare's clinician data lists 3 practice locations, including Buffalo Grove, IL, Burbank, IL and Orland Park, IL. Call before your visit to confirm the address.
- What is David A. Olmstead's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does David A. Olmstead accept Medicare assignment?
- Yes. Medicare's clinician data says David A. Olmstead 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 A. Olmstead offer telehealth?
- Medicare's clinician data says David A. Olmstead offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for David A. Olmstead?
- (847) 459-1160, as listed in official Medicare / NPI Registry data.
- What is David A. Olmstead's NPI number?
- 1982610861. 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 A. Olmstead works
Medicare's Facility Affiliation Data lists David A. Olmstead at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Christ Hospital & Medical CenterOak Lawn, IL · Acute Care Hospital · CCN 140208
- Advocate Good Samaritan HospitalDowners Grove, IL · Acute Care Hospital · CCN 140288
- Advocate Trinity HospitalChicago, IL · Acute Care Hospital · CCN 140048
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · CCN 140062
Practice locations
Addresses where David A. Olmstead is enrolled with Medicare (CMS data updated 2026-10-02).
- 214 McHenry RdBuffalo Grove, IL 60089 (847) 459‑1160
- 6345 W 79th StBurbank, IL 60459 (708) 499‑1545
- 9550 W 167th StOrland Park, IL 60467
Group practices
Medicare enrollment lists David A. Olmstead 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 |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1982610861 |
| 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