Quick answers
- Does Joel Merkwan accept Medicare assignment?
- Yes. Medicare's clinician data says Joel Merkwan 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 Joel Merkwan's NPI number?
- 1699810879. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joel Merkwan works
Medicare's Facility Affiliation Data lists Joel Merkwan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Norton Sound Regional HospitalNome, AK · Critical Access Hospital · Emergency services: listed by Medicare · CCN 021308
Practice locations
Addresses where Joel Merkwan is enrolled with Medicare (CMS data updated October 2, 2026).
- 327 Broadway Ave, Suite 15Yankton, SD 57078 (605) 661‑6128
Specialties
- Clinical Psychologistprimary
Find other clinicians: Clinical Psychologist, South Dakota →
Other clinical psychologists in Yankton
Clinicians with the same Medicare primary specialty in Yankton, SD — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699810879 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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