Doctor profile · Federal record
Dr. John Merendino, M.D.
Endocrinology, Diabetes & Metabolism Physician · Endocrinology, Diabetes & Metabolism Physician · Endocrinology, Diabetes & Metabolism Physician · Bethesda, MD
- NPI 1316042831
- 20 yrs on file
- Licensed in 3 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
10215 Fernwood RD, Suite 405
Bethesda, MD 208171106
(301) 230-0300
fax (301) 230-0314
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- March 30, 2016
- Specialty taxonomy
- 207RE0101X — NUCC code
- State licenses (3)
- Maryland #D36046 · Florida #ME71106 · Maine #D0036046
- Medicaid
- MD #218651900
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1316042831. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$217
Transactions
11
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 9 | $184.72 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $18.20 | |
| Novartis Pharmaceuticals Corporation | 1 | $14.04 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,972
Patients
533
Total drug cost
$1,059,818
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 319 | 84 | $5,029 |
| Metformin Hcl | Generic | 214 | 60 | $3,163 |
| Synthroid (Levothyroxine Sodium) | Brand | 204 | 60 | $22,921 |
| Trulicity (Dulaglutide) | Brand | 153 | 36 | $362,221 |
| Jardiance (Empagliflozin) | Brand | 151 | 36 | $242,624 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 120 | 35 | $3,197 |
| Mounjaro (Tirzepatide) | Brand | 111 | 19 | $137,263 |
| Atorvastatin Calcium | Generic | 101 | 27 | $1,590 |
| Hydrochlorothiazide | Generic | 96 | 29 | $405 |
| Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) | Brand | 95 | 32 | $115,866 |
Frequently asked questions
What is Dr. John Merendino's medical specialty?
Dr. John Merendino practices Endocrinology, Diabetes & Metabolism Physician in Bethesda, MD.
Where does Dr. John Merendino practice?
Dr. John Merendino practices at 10215 Fernwood RD, Bethesda, MD 208171106. Office phone: 3012300300.
What is Dr. John Merendino's NPI?
Dr. John Merendino's National Provider Identifier (NPI) is 1316042831, issued by NPPES.