Quick answers
- Does Kathryn M. Semmelrock accept Medicare assignment?
- Yes. Medicare's clinician data says Kathryn M. Semmelrock 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 Kathryn M. Semmelrock's NPI number?
- 1245756808. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kathryn M. Semmelrock works
Medicare's Facility Affiliation Data lists Kathryn M. Semmelrock 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.
- White Plains Hospital CenterWhite Plains, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330304
Practice locations
Addresses where Kathryn M. Semmelrock is enrolled with Medicare (CMS data updated October 2, 2026).
- 122 Maple Ave, Fl 9White Plains, NY 10601 (914) 948‑1000
- 170 Maple Ave, Suite 502White Plains, NY 10601 (914) 948‑1000
- 20 Prospect AveHackensack, NJ 07601 (551) 996‑5045
Group practices
Medicare enrollment lists Kathryn M. Semmelrock as a member of these groups (CMS data updated October 2, 2026).
- Hackensack Meridian Health Medical Group - Specialty Care PC1,922 clinicians in the group
- White Plains Physician Services PC386 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in White Plains
Clinicians with the same Medicare primary specialty in White Plains, NY — not a recommendation.
Other clinicians in Hackensack Meridian Health Medical Group - Specialty Care PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1245756808 |
| 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