Doctor profile · Federal record
Dr. Sergio Diaz, Physician Assistant
Family Medicine Physician · McAllen, TX
- NPI 1740423474
- 17 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
110 E Savannah Ave Bldg A204
McAllen, TX 785031239
(956) 686-4040
fax (956) 630-6088
Credentials & registration
- NPI registered
- April 2009 — 17 yrs on file
- Profile last updated
- May 18, 2009
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Texas #TXPA04894
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740423474. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$743
Transactions
38
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 3 | $187.38 | |
| Novo Nordisk Inc | 10 | $147.50 | |
| Amgen Inc. | 11 | $136.51 | |
| Lilly USA, LLC | 4 | $77.68 | |
| AstraZeneca Pharmaceuticals LP | 4 | $70.46 | |
| Otsuka America Pharmaceutical, Inc. | 2 | $45.46 | |
| Astellas Pharma US Inc | 2 | $33.68 | |
| ABBVIE INC. | 1 | $26.20 | |
| Sumitomo Pharma America, Inc. | 1 | $18.06 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,644
Patients
959
Total drug cost
$300,316
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 329 | 122 | $5,071 |
| Levothyroxine Sodium | Generic | 262 | 78 | $4,928 |
| Losartan Potassium | Generic | 229 | 78 | $4,144 |
| Amlodipine Besylate | Generic | 217 | 89 | $1,935 |
| Rosuvastatin Calcium | Generic | 217 | 93 | $4,794 |
| Lisinopril | Generic | 201 | 71 | $2,787 |
| Ozempic (Semaglutide) | Brand | 175 | 38 | $258,046 |
| Metoprolol Succinate | Generic | 162 | 63 | $3,814 |
| Metformin Hcl | Generic | 151 | 59 | $1,718 |
| Omeprazole | Generic | 131 | 57 | $1,733 |
Frequently asked questions
What is Dr. Sergio Diaz's medical specialty?
Dr. Sergio Diaz practices Family Medicine Physician in McAllen, TX.
Where does Dr. Sergio Diaz practice?
Dr. Sergio Diaz practices at 110 E Savannah Ave Bldg A204, McAllen, TX 785031239. Office phone: 9566864040.
What is Dr. Sergio Diaz's NPI?
Dr. Sergio Diaz's National Provider Identifier (NPI) is 1740423474, issued by NPPES.