Quick answers
- Which hospitals does Marlyn Fernandez work at?
- Medicare's official clinician data lists Marlyn Fernandez at 1 hospital: Hackensack Meridian Mountainside Medical. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marlyn Fernandez see patients?
- Medicare's clinician data lists 3 practice locations, including Montclair, NJ, Glen Ridge, NJ and Nutley, NJ. Call before your visit to confirm the address.
- What is Marlyn Fernandez's specialty?
- Medicare lists Endocrinology as the primary specialty.
- Does Marlyn Fernandez accept Medicare assignment?
- Yes. Medicare's clinician data says Marlyn Fernandez 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.
- Does Marlyn Fernandez offer telehealth?
- Medicare's clinician data says Marlyn Fernandez offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Marlyn Fernandez?
- (201) 781-1387, as listed in official Medicare / NPI Registry data.
- What is Marlyn Fernandez's NPI number?
- 1124253752. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marlyn Fernandez works
Medicare's Facility Affiliation Data lists Marlyn Fernandez at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hackensack Meridian Mountainside MedicalMontclair, NJ · Acute Care Hospital · CCN 310054
Practice locations
Addresses where Marlyn Fernandez is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Bay AveMontclair, NJ 07042 (201) 781‑1387
- 311 Bay AveGlen Ridge, NJ 07028 (973) 748‑9246
- 622 Franklin AveNutley, NJ 07110 (973) 661‑1900
Group practices
Medicare enrollment lists Marlyn Fernandez as a member of this group (CMS data updated 2026-10-02).
- MPV New Jersey MD Services PC151 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in New Jersey
Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1124253752 |
| 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