Quick answers
- Does Mary Jelderks accept Medicare assignment?
- Yes. Medicare's clinician data says Mary Jelderks 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 Mary Jelderks's NPI number?
- 1972164077. 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 Jelderks works
Medicare's Facility Affiliation Data lists Mary Jelderks 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.
- Valley HospitalParamus, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310012
Practice locations
Addresses where Mary Jelderks is enrolled with Medicare (CMS data updated October 2, 2026).
- 108 Jackson St, Apt 6bHoboken, NJ 07030 (800) 825‑5391
- 400 Market StMontvale, NJ 07645 (201) 447‑8200
Group practices
Medicare enrollment lists Mary Jelderks as a member of this group (CMS data updated October 2, 2026).
- Valley Physician Services PC592 clinicians in the group
Specialties
- Rheumatologyprimary
Other rheumatologists in Hoboken
Clinicians with the same Medicare primary specialty in Hoboken, NJ — not a recommendation.
Other clinicians in Valley Physician Services PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1972164077 |
| 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