Doctor profile · Federal record
Dr. Merrit Gadallah, MD
Nephrology Physician (CMS: Nephrology) · Naples, FL
- NPI 1871531319
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 46 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1213 Piper Blvd, Suite 101
Naples, FL 341101393
(239) 254-0099
fax (239) 254-1908
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- May 6, 2008
- Year of graduation
- 1980 — 46 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Florida #ME72275
- Medicaid
- FL #250006000
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1871531319. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,280
Distinct HCPCS
10
Medicare allowed
$172,900
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 295 | 198 | $130 | |
36415 |
Insertion of needle into vein for collection of blood sample | 278 | 144 | $8 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 258 | 175 | $183 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 117 | 36 | $352 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 112 | 13 | $64 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 75 | 75 | $131 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 66 | 66 | $226 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 31 | 22 | $296 | |
90674 |
Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free | 18 | 18 | $33 | |
G0008 |
Administration of influenza virus vaccine | 17 | 17 | $32 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 147. This provider delivers 8.7× the peer median.Open Payments
Industry payments received
All-time total
$181
Transactions
9
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 2 | $36.19 | |
| Bayer Healthcare Pharmaceuticals Inc. | 1 | $30.68 | |
| Amgen Inc. | 2 | $27.93 | |
| Travere Therapeutics, Inc. | 1 | $25.62 | |
| Ardelyx, Inc. | 1 | $23.59 | |
| Novo Nordisk Inc | 1 | $20.60 | |
| CALLIDITAS THERAPEUTICS US INC. | 1 | $16.07 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,367
Patients
423
Total drug cost
$61,654
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 184 | 57 | $1,423 |
| Calcitriol | Generic | 160 | 53 | $3,625 |
| Allopurinol | Generic | 129 | 41 | $1,497 |
| Rosuvastatin Calcium | Generic | 127 | 39 | $2,203 |
| Carvedilol | Generic | 93 | 32 | $1,123 |
| Hydrochlorothiazide | Generic | 92 | 29 | $745 |
| Levothyroxine Sodium | Generic | 87 | 31 | $1,030 |
| Atorvastatin Calcium | Generic | 81 | 27 | $1,018 |
| Valsartan | Generic | 78 | 22 | $2,297 |
| Simvastatin | Generic | 71 | 22 | $590 |
Hospital affiliations
Frequently asked questions
What is Dr. Merrit Gadallah's medical specialty?
Dr. Merrit Gadallah practices Nephrology Physician in Naples, FL.
Where does Dr. Merrit Gadallah practice?
Dr. Merrit Gadallah practices at 1213 Piper Blvd, Naples, FL 341101393. Office phone: 2392540099.
What is Dr. Merrit Gadallah's NPI?
Dr. Merrit Gadallah's National Provider Identifier (NPI) is 1871531319, issued by NPPES.
Does Dr. Merrit Gadallah accept Medicare assignment?
Yes. Dr. Merrit Gadallah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Merrit Gadallah commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.