Quick answers
- Where does Christa J. Keyzer see patients?
- Medicare's clinician data lists 2 practice locations, including Suffern, NY and Ramsey, NJ. Call before your visit to confirm the address.
- What is Christa J. Keyzer's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Christa J. Keyzer accept Medicare assignment?
- Yes. Medicare's clinician data says Christa J. Keyzer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Christa J. Keyzer?
- (212) 283-3000, as listed in official Medicare / NPI Registry data.
- What is Christa J. Keyzer's NPI number?
- 1942190301. 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 Christa J. Keyzer is enrolled with Medicare (CMS data updated 2026-10-02).
- 229 Route 59, Suite 306Suffern, NY 10901 (212) 283‑3000
- 500 N Franklin Turnpike, Suite 318Ramsey, NJ 07446 (201) 500‑7525
Group practices
Medicare enrollment lists Christa J. Keyzer as a member of these groups (CMS data updated 2026-10-02).
- Schweiger Dermatology PLLC260 clinicians in the group
- Skin and Laser Center of NJ LLC8 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Suffern
Clinicians with the same Medicare primary specialty in Suffern, NY — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942190301 |
| 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 2026-10-02, retrieved 2026-10-29
- 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