Quick answers
- Does Marissa A. Van Hennik accept Medicare assignment?
- Yes. Medicare's clinician data says Marissa A. Van Hennik 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 Marissa A. Van Hennik's NPI number?
- 1740213727. 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 Marissa A. Van Hennik is enrolled with Medicare (CMS data updated October 2, 2026).
- 105 W RdEllington, CT 06029 (860) 454‑0678
- 136 Berlin RdCromwell, CT 06416 (860) 378‑8585
- 278 Oxford Rd, Suite 2Oxford, CT 06478 (860) 454‑0678
- 2909 Berlin TpkeNewington, CT 06111 (860) 454‑0678
- 365 Hemingway AveEast Haven, CT 06512 (860) 454‑0678
Group practices
Medicare enrollment lists Marissa A. Van Hennik as a member of this group (CMS data updated October 2, 2026).
- Urgent Care Medical Center LLC53 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Ellington
Clinicians with the same Medicare primary specialty in Ellington, CT — not a recommendation.
Other clinicians in Urgent Care Medical Center LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2002 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740213727 |
| 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