Quick answers
- Where does Adam Sergiwa see patients?
- Medicare's clinician data lists 1 practice location in Michigan City, IN. Call before your visit to confirm the address.
- What is Adam Sergiwa's specialty?
- Medicare lists Pediatric Medicine as the primary specialty.
- Does Adam Sergiwa accept Medicare assignment?
- Yes. Medicare's clinician data says Adam Sergiwa 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 Adam Sergiwa?
- (317) 528-4800, as listed in official Medicare / NPI Registry data.
- What is Adam Sergiwa's NPI number?
- 1740439496. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Adam Sergiwa is enrolled with Medicare (CMS data updated 2026-10-02).
- 9856 W 400Michigan City, IN 46360 (317) 528‑4800
Group practices
Medicare enrollment lists Adam Sergiwa as a member of this group (CMS data updated 2026-10-02).
- Franciscan Physician Network1,170 clinicians in the group
Specialties
- Pediatric Medicineprimary
Other pediatricians in Indiana
Clinicians with the same Medicare primary specialty in Indiana — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740439496 |
| 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
- 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