Internal Medicine, Hematology & Oncology · Corpus Christi, TX
NPI
1346201175
Since 2006
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
2
Medicare group memberships
Hospitals
5
Hospital affiliations
7121 S Padre Island Dr, Suite 102-101,119
Corpus Christi, TX, 78412
Phone (361) 696-6000
Groups this clinician bills Medicare through
Medicare paid, 2024
$737K
60,466 services
Medicare patients, 2024
171
Average age 76
Drug cost, 2024
$6.6M
2,098 prescriptions
Company payments, 2025
$12K
From 40 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by William S Velasquez was code J0881 (injection, darbepoetin alfa, 1 microgram (non-esrd use)), 24,000 times for 15 patients. In total William S Velasquez billed 60,466 services in 96 codes, and Medicare paid $737K.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-03-26.
| Code |
|---|
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) | Office | 24,000 | 15 | $2.33 | $56K |
| Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | Office | 2,300 | 17 | $0.10 | $234 |
| J2469 Injection, palonosetron hcl, 25 mcg | Office | 710 | 11 | $0.76 | $540 |
| 85025 Blood Count | Office | 562 | 149 | $7.57 | $4,257 |
| 99215 Office E&M - Established | Office | 377 | 136 | $131.90 | $50K |
| 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 | 316 | 129 | $12.70 | $4,014 |
| 96372 Injection Administration | Office | 151 | 23 | $10.80 | $1,632 |
| 96367 Intravenous Infusion, Hydration | Office | 121 | 13 | $21.24 | $2,571 |
| 96375 Injection Administration | Office | 98 | 11 | $11.46 | $1,123 |
| 96413 Chemotherapy Administration | Office | 98 | 14 | $97.92 | $9,596 |
| 99214 Office E&M - Established | Office | 67 | 52 | $92.14 | $6,173 |
| 99233 Hospital E&M - Subsequent | Facility | 54 | 15 | $93.02 | $5,023 |
| 36415 Venipuncture Blood Collection | Office | 25 | 11 | $8.65 | $216 |
| 82272 Immunoassay | Office | 19 | 19 | $4.15 | $78.85 |
| 99205 Office E&M - New | Office | 19 | 19 | $161.57 | $3,070 |
By year: 2022 $756K for 73,251 services; 2023 $619K for 59,563 services; 2024 $737K for 60,466 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 85025 Blood Count | 562 | 149 | $7.57 | $4,257 |
| 36415 Venipuncture Blood Collection | 25 | 11 | $8.65 | $216 |
| 82272 Immunoassay | 19 | 19 | $4.15 | $78.85 |
| 82565 Clinical Chemistry | 14 | 12 | $5.02 | $70.28 |
Medicare prescription drug claims, 2024
In 2024, the drug William S Velasquez prescribed most often to Medicare patients was Famciclovir, with 152 prescriptions and refills. In total William S Velasquez wrote 2,098 Medicare prescriptions that cost $6.6M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Famciclovir Generic | 152 | 231 | 35 | $7,594 |
| Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim | 97 | 143 | 27 | $359 |
| Dexamethasone Generic | 97 | 109 | 41 | $2,045 |
| Eliquis Apixaban | 86 | 110 | 15 | $63K |
| Ondansetron Odt Ondansetron | 76 | 76 | 69 | $1,957 |
| Anastrozole Generic | 71 | 199 | 22 | $1,473 |
| Letrozole Generic | 71 | 137 | 15 | $1,226 |
| Megestrol Acetate Generic | 71 | 71 | 45 | $4,811 |
| Hydroxyurea Generic | 67 | 138 | 16 | $1,484 |
| Pantoprazole Sodium Generic | 65 | 129 | 30 | $475 |
| Calquence Acalabrutinib Maleate | 62 | 62 | 11 | $896K |
| Gabapentin Generic | 56 | 64 | 14 | $212 |
| Lidocaine-Prilocaine Lidocaine/Prilocaine | 54 | 54 | 45 | $594 |
| Xarelto Rivaroxaban | 52 | 101 | 15 | $56K |
| Aprepitant Generic | 50 | 50 | 12 | $23K |
Brand drugs: 580 claims; generic drugs: 1,518 claims; opioid claims: 74.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid William S Velasquez $12K ($12K in general payments such as food, travel and fees) from 40 companies. The largest payer was Janssen Biotech, Inc. with $4,514.
| Company | Payments | Amount |
|---|---|---|
| Janssen Biotech, Inc. JNJ | 10 | $4,514 |
| Karyopharm Therapeutics Inc. KPTI | 7 | $2,630 |
| Abbvie Inc. ABBV | 10 | $482 |
| GlaxoSmithKline, LLC. GSK | 11 | $296 |
| AstraZeneca Pharmaceuticals LP AZN | 9 | $239 |
| E.R. Squibb & Sons, L.L.C. BMY | 10 | $230 |
| Astellas Pharma US Inc 4503.T | 10 | $224 |
| Merck Sharp & Dohme LLC MRK | 8 | $204 |
| Incyte Corporation INCY | 5 | $203 |
| Pfizer Inc. PFE | 8 | $182 |
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.