Quick answers
- Which hospitals does Erin M. Crystal work at?
- Medicare's official clinician data lists Erin M. Crystal at 3 hospitals: Clara Maass Medical Center, Cooperman Barnabas Medical Center and Hackensack Meridian Mountainside Medical. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Erin M. Crystal see patients?
- Medicare's clinician data lists 4 practice locations, including Belleville, NJ, Bloomfield, NJ and Elizabeth, NJ. Call before your visit to confirm the address.
- What is Erin M. Crystal's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Erin M. Crystal accept Medicare assignment?
- Yes. Medicare's clinician data says Erin M. Crystal 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 Erin M. Crystal?
- (973) 450-2000, as listed in official Medicare / NPI Registry data.
- What is Erin M. Crystal's NPI number?
- 1972109213. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Erin M. Crystal works
Medicare's Facility Affiliation Data lists Erin M. Crystal at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Clara Maass Medical CenterBelleville, NJ · Acute Care Hospital · CCN 310009
- Cooperman Barnabas Medical CenterLivingston, NJ · Acute Care Hospital · CCN 310076
- Hackensack Meridian Mountainside MedicalMontclair, NJ · Acute Care Hospital · CCN 310054
Practice locations
Addresses where Erin M. Crystal is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Clara Maass DrBelleville, NJ 07109 (973) 450‑2000
- 206 Belleville Ave, Suite 204bBloomfield, NJ 07003 (973) 259‑0278
- 225 Williamson StElizabeth, NJ 07202 (908) 994‑5422
- 83 Hanover Rd, Suite 290Florham Park, NJ 07932 (973) 736‑2212
Group practices
Medicare enrollment lists Erin M. Crystal as a member of these groups (CMS data updated 2026-10-02).
- RWJBH Emergency Medicine Associates, LLC848 clinicians in the group
- Northeast Kidney Care LLC67 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Belleville
Clinicians with the same Medicare primary specialty in Belleville, NJ — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972109213 |
| 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 2026-10-02, retrieved 2026-10-29
- 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