Doctor profile · Federal record
Dr. Horacio Diaz, MD
Family Medicine Physician (CMS: Family Practice) · Emergency Medicine Physician · Laredo, TX
- NPI 1912999699
- Accepts Medicare
- MIPS 69.6 / 100 · 2023
- 38 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3402 E del Mar Blvd Ste 184
Laredo, TX 780416592
(956) 267-4667
fax (956) 267-4667 - Additional location
-
3527 Loop 20, Suite 101
Laredo, TX 780434788
(956) 725-0811
fax (956) 725-5894
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- December 8, 2025
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Texas #K4408
- Medicaid
- TX #101646103
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1912999699. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
317
Distinct HCPCS
6
Medicare allowed
$36,320
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 90 | 86 | $169 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 82 | 79 | $8 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 56 | 54 | $125 | |
99284 |
Emergency department visit with moderate level of medical decision making | 49 | 46 | $116 | |
99291 |
Critical care, first 30-74 minutes | 29 | 29 | $205 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 11 | 11 | $167 |
In context: peer comparison
Among 22 peers in this city , average services per provider: 98. This provider delivers 3.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
386
Patients
108
Total drug cost
$56,713
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 57 | 26 | $1,127 |
| Lisinopril | Generic | 42 | 17 | $347 |
| Gabapentin | Generic | 37 | 24 | $503 |
| Metformin Hcl | Generic | 31 | 14 | $251 |
| Tamsulosin Hcl | Generic | 30 | 12 | $516 |
| Losartan Potassium | Generic | 27 | 0 | $510 |
| Amlodipine Besylate | Generic | 24 | 0 | $108 |
| Celecoxib | Generic | 22 | 15 | $4,785 |
| Pioglitazone Hcl | Generic | 22 | 0 | $347 |
| Levothyroxine Sodium | Generic | 20 | 0 | $293 |
Frequently asked questions
What is Dr. Horacio Diaz's medical specialty?
Dr. Horacio Diaz practices Family Medicine Physician in Laredo, TX.
Where does Dr. Horacio Diaz practice?
Dr. Horacio Diaz practices at 3402 E del Mar Blvd Ste 184, Laredo, TX 780416592. Office phone: 9562674667.
What is Dr. Horacio Diaz's NPI?
Dr. Horacio Diaz's National Provider Identifier (NPI) is 1912999699, issued by NPPES.
Does Dr. Horacio Diaz accept Medicare assignment?
Yes. Dr. Horacio Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Horacio Diaz commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.