Internal Medicine, Endocrinology, Diabetes, & Metabolism · San Antonio, TX
NPI
1679865414
Since 2011
Specialty
Internal Medicine, Endocrinology, Diabetes, & Metabolism
Code 207RE0101X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
701 S Zarzamora St
San Antonio, TX, 78207
Phone (210) 358-7500
Groups this clinician bills Medicare through
Medicare paid, 2024
$14K
312 services
Medicare patients, 2024
92
Average age 68
Drug cost, 2024
$4.3M
6,745 prescriptions
Company payments, 2025
$1,849
From 8 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Alberto O Chavez Velazquez was code 99214 (office e&m - established), 166 times for 81 patients. In total Alberto O Chavez Velazquez billed 312 services in 7 codes, and Medicare paid $14K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-05-08.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 166 | 81 | $67.81 | $11K |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 112 | 67 | $12.19 | $1,365 |
| 99204 Office E&M - New | Office | 13 | 13 | $75.66 | $984 |
By year: 2022 $14K for 231 services; 2023 $13K for 200 services; 2024 $14K for 312 services.
Medicare prescription drug claims, 2024
In 2024, the drug Alberto O Chavez Velazquez prescribed most often to Medicare patients was Mounjaro (Tirzepatide), with 434 prescriptions and refills. In total Alberto O Chavez Velazquez wrote 6,745 Medicare prescriptions that cost $4.3M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Mounjaro Tirzepatide | 434 | 728 | 88 | $760K |
| Atorvastatin Calcium Generic | 399 | 1,130 | 148 | $4,022 |
| Levothyroxine Sodium Generic | 378 | 1,031 | 110 | $4,075 |
| Ozempic Semaglutide | 277 | 543 | 71 | $505K |
| Farxiga Dapagliflozin Propanediol | 270 | 698 | 88 | $374K |
| Jardiance Empagliflozin | 236 | 644 | 76 | $361K |
| Lantus Solostar Insulin Glargine,hum.Rec.Anlog | 231 | 638 | 83 | $39K |
| Trulicity Dulaglutide | 222 | 438 | 67 | $416K |
| Metformin Hcl Generic | 214 | 601 | 75 | $2,045 |
| Tresiba Flextouch U-100 Insulin Degludec | 214 | 567 | 68 | $187K |
| Metformin Hcl Er Metformin Hcl | 194 | 550 | 67 | $2,506 |
| Ezetimibe Generic | 191 | 532 | 74 | $2,457 |
| Pioglitazone Hcl Generic | 159 | 447 | 54 | $1,517 |
| Rosuvastatin Calcium Generic | 123 | 361 | 47 | $1,400 |
| Nano 2nd Gen Pen Needle Pen Needle, Diabetic | 121 | 341 | 61 | $13K |
Brand drugs: 3,472 claims; generic drugs: 2,672 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Alberto O Chavez Velazquez $1,849 ($1,849 in general payments such as food, travel and fees) from 8 companies. The largest payer was Medtronic, Inc. with $1,140.
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.