Marlyn Fernandez, MD
NPI 1124253752ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Glen Ridge, NJ
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Mpv New Jersey MD Services PC, practicing in Glen Ridge, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $2,396,636 for 4,999 claims, against $123,639 paid for services in 2024. Corcept Therapeutics was the largest of 21 companies reporting payments in 2025, $1,350 in all, mostly food and beverage. Lists Hackensack Meridian Mountainside Medical as a hospital affiliation.
Overview
| NPI | 1124253752 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 27, 2009 |
| Last updated in NPPES | Jul 15, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 25MA09223600 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 331 |
|---|---|
| Services billed | 3,405 across 20 procedure codes |
| Paid by Medicare | $123,639 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,999 · 12,452 30-day fills |
|---|---|
| Patients | 470 |
| Total drug cost | $2,396,636 |
| Generic share | 55% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Mpv New Jersey MD Services PCDumont, NJ · 151 clinicians
Hospital affiliation
- Hackensack Meridian Mountainside MedicalMontclair, NJ
Industry payments (Open Payments)
- 2025$1,350 · 62 payments from 21 companies
- 2024$581.87 · 29 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Corcept Therapeutics | $430.46 | 17 |
| Lilly USA, LLC | $122.50 | 7 |
| Novo Nordisk Inc | $87.23 | 5 |
| Medtronic, Inc. | $79.09 | 2 |
| Sanofi-Aventis U.S. LLC | $77.22 | 4 |
What the 2025 payments were for
- Food and Beverage$1,350 · 62 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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