Quick answers
- Does Mary Claire K. Lopez accept Medicare assignment?
- Medicare's clinician data says Mary Claire K. Lopez may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- What is Mary Claire K. Lopez's NPI number?
- 1962228999. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary Claire K. Lopez works
Medicare's Facility Affiliation Data lists Mary Claire K. Lopez 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.
- Van Diest Medical CenterWebster City, IA · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 161361
Practice locations
Addresses where Mary Claire K. Lopez is enrolled with Medicare (CMS data updated October 2, 2026).
- 2350 Hospital DrWebster City, IA 50595
Group practices
Medicare enrollment lists Mary Claire K. Lopez as a member of this group (CMS data updated October 2, 2026).
- Hamilton County Public Hospital33 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Webster City
Clinicians with the same Medicare primary specialty in Webster City, IA — not a recommendation.
Other clinicians in Hamilton County Public Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | University Of Iowa, Rj & L Carver College Of Medicine |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1962228999 |
| 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