Doctor profile · Federal record
Dr. Marlyn Fernandez, MD
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Glen Ridge, NJ
- NPI 1124253752
- Accepts Medicare
- MIPS 93.6 / 100 · 2023
- 20 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
123 Highland Ave Ste 301
Glen Ridge, NJ 070281522
(973) 744-3733
fax (973) 707-5821 - Mailing address
-
Po Box 419430
Boston, MA 022419430
Credentials & registration
- NPI registered
- May 2009 — 17 yrs on file
- Profile last updated
- July 15, 2019
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- New Jersey #25MA09223600
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1124253752. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,973
Distinct HCPCS
10
Medicare allowed
$139,933
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 2,220 | 24 | $23 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 345 | 175 | $142 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 157 | 56 | $86 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 52 | 42 | $100 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 41 | 37 | $142 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 38 | 19 | $38 | |
96372 |
Injection of drug or substance under skin or into muscle | 38 | 25 | $16 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 38 | 38 | $126 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 31 | 31 | $185 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 13 | 11 | $174 |
In context: peer comparison
Among 5 peers in Glen Ridge Endocrinology, Diabetes & Metabolism Physician, average services per provider: 595. This provider delivers 5.0× the peer median.Open Payments
Industry payments received
All-time total
$582
Transactions
29
Manufacturers
14
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 5 | $89.19 | |
| Medtronic, INC. | 2 | $81.39 | |
| Corcept Therapeutics | 3 | $72.07 | |
| Abbott Laboratories | 3 | $61.46 | |
| Janssen Biotech, INC. | 3 | $58.41 | |
| Lilly USA, LLC | 3 | $47.75 | |
| Radius Health, INC. | 2 | $38.87 | |
| GlaxoSmithKline, LLC. | 2 | $29.88 | |
| Sanofi-Aventis U.S. LLC | 1 | $19.68 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $18.32 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 1 | $17.00 | |
| Amgen INC. | 1 | $16.78 | |
| Alexion Pharmaceuticals, INC. | 1 | $16.45 | |
| Xeris Pharmaceuticals, INC. | 1 | $14.62 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,260
Patients
742
Total drug cost
$998,346
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 349 | 108 | $6,514 |
| Glimepiride | Generic | 245 | 80 | $5,009 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 225 | 73 | $4,600 |
| Atorvastatin Calcium | Generic | 209 | 75 | $2,606 |
| Rosuvastatin Calcium | Generic | 195 | 67 | $8,695 |
| Metformin Hcl | Generic | 141 | 46 | $1,591 |
| Ozempic (Semaglutide) | Brand | 134 | 38 | $242,137 |
| Pioglitazone Hcl | Generic | 129 | 52 | $2,880 |
| Trulicity (Dulaglutide) | Brand | 118 | 39 | $251,350 |
| Nano 2Nd Gen Pen Needle (Pen Needle, Diabetic) | Brand | 104 | 49 | $6,720 |
Frequently asked questions
What is Dr. Marlyn Fernandez's medical specialty?
Dr. Marlyn Fernandez practices Endocrinology, Diabetes & Metabolism Physician in Glen Ridge, NJ.
Where does Dr. Marlyn Fernandez practice?
Dr. Marlyn Fernandez practices at 123 Highland Ave Ste 301, Glen Ridge, NJ 070281522. Office phone: 9737443733.
What is Dr. Marlyn Fernandez's NPI?
Dr. Marlyn Fernandez's National Provider Identifier (NPI) is 1124253752, issued by NPPES.
Does Dr. Marlyn Fernandez accept Medicare assignment?
Yes. Dr. Marlyn Fernandez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marlyn Fernandez commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.