Quick answers
- Does Chris S. Diederich accept Medicare assignment?
- Yes. Medicare's clinician data says Chris S. Diederich accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Chris S. Diederich's NPI number?
- 1821016700. 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 Chris S. Diederich is enrolled with Medicare (CMS data updated October 2, 2026).
- 6626 E 75th St, Suite 500Indianapolis, IN 46250
- 8604 Allisonville Rd, Suite 325Indianapolis, IN 46250
- 9425 Delegates Row, 9425 Delegates RowIndianapolis, IN 46240
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Indianapolis
Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1821016700 |
| 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 October 2, 2026, retrieved October 29, 2026
- 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