Allergy and Immunology · San Antonio, TX
NPI
1417948241
Since 2005
Specialty
Allergy and Immunology
Code 207K00000X
Group practices
2
Medicare group memberships
Hospitals
0
Hospital affiliations
2414 Babcock Rd, Suite 109
San Antonio, TX, 78229
Phone (210) 616-0882
Groups this clinician bills Medicare through
Medicare paid, 2024
$88K
3,211 services
Medicare patients, 2024
127
Average age 71
Drug cost, 2024
$1.7M
872 prescriptions
Company payments, 2025
$186K
From 14 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Joseph D Diaz was code J2357 (injection, omalizumab, 5 mg), 1,653 times for 17 patients. In total Joseph D Diaz billed 3,211 services in 20 codes, and Medicare paid $88K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2007-10-16.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J2357 Injection, omalizumab, 5 mg | Office | 1,653 | 17 | $29.14 | $48K |
| 95165 Treatment - Miscellaneous | Office | 340 | 19 | $10.97 | $3,728 |
| 99214 Office E&M - Established | Office | 152 | 73 | $85.31 | $13K |
| 94010 Pulmonary Function Testing | Office | 89 | 45 | $18.90 | $1,682 |
| 95012 Pulmonary | Office | 71 | 34 | $13.31 | $945 |
| 95117 Treatment - Miscellaneous | Office | 60 | 33 | $7.76 | $466 |
| 96401 Chemotherapy Administration | Office | 60 | 20 | $52.80 | $3,168 |
By year: 2022 $411K for 15,173 services; 2023 $227K for 9,178 services; 2024 $88K for 3,211 services.
Medicare prescription drug claims, 2024
In 2024, the drug Joseph D Diaz prescribed most often to Medicare patients was Fluticasone Propionate, with 103 prescriptions and refills. In total Joseph D Diaz wrote 872 Medicare prescriptions that cost $1.7M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Fluticasone Propionate Generic | 103 | 155 | 41 | $1,355 |
| Montelukast Sodium Generic | 86 | 214 | 29 | $923 |
| Azelastine Hcl Generic | 56 | 94 | 24 | $1,169 |
| Albuterol Sulfate Hfa Albuterol Sulfate | 56 | 65 | 25 | $1,347 |
| Breo Ellipta Fluticasone/Vilanterol | 37 | 49 | Under 11 | $18K |
| Dupixent Syringe Dupilumab | 37 | 42 | Under 11 | $141K |
| Omeprazole Generic | 34 | 57 | 11 | $511 |
| Epinephrine Generic | 33 | 33 | 30 | $6,223 |
| Trelegy Ellipta Fluticasone/Umeclidin/Vilanter | 32 | 46 | 11 | $29K |
| Prednisone Generic | 23 | 32 | 15 | $40.72 |
| Azelastine-Fluticasone Azelastine/Fluticasone | 21 | 35 | Under 11 | $3,927 |
| Qvar Redihaler Beclomethasone Dipropionate | 18 | 18 | Under 11 | $4,893 |
| Mometasone Furoate Generic | 18 | 26 | Under 11 | $840 |
| Amlodipine Besylate Generic | 17 | 18 | Under 11 | $79.03 |
| Ipratropium Bromide Generic | 17 | 25 | Under 11 | $422 |
Brand drugs: 312 claims; generic drugs: 560 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Joseph D Diaz $186K ($186K in general payments such as food, travel and fees) from 14 companies. The largest payer was AstraZeneca Pharmaceuticals LP with $168K.
| Company | Payments | Amount |
|---|---|---|
| AstraZeneca Pharmaceuticals LP AZN | 175 | $168K |
| Genentech USA, Inc. ROG.SW | 16 | $9,175 |
| CSL Behring CSL.AX | 8 | $6,933 |
| Novartis Pharmaceuticals Corporation NVS | 8 | $1,380 |
| Amgen Inc. AMGN | 2 | $142 |
| ARS Pharmaceuticals Operations, Inc. SPRY | 1 | $112 |
| ADMA BioManufacturing LLC | 1 | $97.17 |
| BioCryst Pharmaceuticals, Inc. BCRX | 1 | $63.35 |
| BioCryst US Sales Co., LLC | 1 | $61.62 |
| Genzyme Corporation SNY | 2 | $56.92 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.