Quick answers
- Does Rachel K. Mertens accept Medicare assignment?
- Yes. Medicare's clinician data says Rachel K. Mertens 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 Rachel K. Mertens's NPI number?
- 1023504255. 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 Rachel K. Mertens is enrolled with Medicare (CMS data updated October 2, 2026).
- 623 Park Meadow Rd, Suite HWesterville, OH 43081 (614) 948‑3273
Group practices
Medicare enrollment lists Rachel K. Mertens as a member of this group (CMS data updated October 2, 2026).
- Serenity Behavioral Health Services, Inc.14 clinicians in the group
Specialties
- Mental Health Counselorprimary
Other mental health counselors in Westerville
Clinicians with the same Medicare primary specialty in Westerville, OH — not a recommendation.
Other clinicians in Serenity Behavioral Health Services, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023504255 |
| 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