Internal Medicine, Medical Oncology · Boerne, TX
NPI
1508828971
Since 2006
Specialty
Internal Medicine, Medical Oncology
Code 207RX0202X
Group practices
1
Medicare group memberships
Hospitals
4
Hospital affiliations
134 Menger Spgs, Suite 1120
Boerne, TX, 78006
Phone (210) 593-5700
Groups this clinician bills Medicare through
Medicare paid, 2024
$918K
67,132 services
Medicare patients, 2024
513
Average age 75
Drug cost, 2024
$2.4M
1,104 prescriptions
Company payments, 2025
$3,624
From 35 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Marisa Sandera was code J0897 (injection, denosumab, 1 mg), 8,220 times for 41 patients. In total Marisa Sandera billed 67,132 services in 123 codes, and Medicare paid $918K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2013-07-11.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J0897 Injection, denosumab, 1 mg | Office | 8,220 | 41 | $20.64 | $170K |
| J1437 Injection, ferric derisomaltose, 10 mg | Office | 1,700 | 16 | $16.39 | $28K |
| 99214 Office E&M - Established | Office | 387 | 268 | $89.27 | $35K |
| 85025 Blood Count | Office | 364 | 123 | $7.61 | $2,770 |
| 80053 Clinical Chemistry | Office | 310 | 96 | $10.35 | $3,209 |
| 36415 Venipuncture Blood Collection | Office | 226 | 121 | $8.65 | $1,955 |
| 99213 Office E&M - Established | Office | 194 | 182 | $65.08 | $13K |
| 96372 Injection Administration | Office | 182 | 50 | $10.57 | $1,923 |
| 96367 Intravenous Infusion, Hydration | Office | 165 | 17 | $21.36 | $3,524 |
| J3489 Injection, zoledronic acid, 1 mg | Office | 145 | 23 | $4.16 | $603 |
| 96413 Chemotherapy Administration | Office | 135 | 21 | $95.84 | $13K |
| 83540 Clinical Chemistry | Office | 129 | 70 | $6.34 | $818 |
| 82728 Clinical Chemistry | Office | 128 | 71 | $13.36 | $1,710 |
| 83550 Clinical Chemistry | Office | 123 | 69 | $8.57 | $1,054 |
| 96365 Intravenous Infusion, Hydration | Office | 104 | 54 | $45.17 | $4,697 |
By year: 2022 $1.3M for 101,898 services; 2023 $1.0M for 110,733 services; 2024 $918K for 67,132 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 85025 Blood Count | 364 | 123 | $7.61 | $2,770 |
| 80053 Clinical Chemistry | 310 | 96 | $10.35 | $3,209 |
| 36415 Venipuncture Blood Collection | 226 | 121 | $8.65 | $1,955 |
| 83540 Clinical Chemistry | 129 | 70 | $6.34 | $818 |
| 82728 Clinical Chemistry | 128 | 71 | $13.36 | $1,710 |
| 83550 Clinical Chemistry | 123 | 69 | $8.57 | $1,054 |
| 82378 Clinical Chemistry | 91 | 28 | $18.58 | $1,691 |
| 83615 Clinical Chemistry | 90 | 33 | $5.92 | $533 |
| 82784 Immunoassay | 64 | 16 | $9.11 | $583 |
| 86300 Immunoassay | 62 | 20 | $20.39 | $1,264 |
Medicare prescription drug claims, 2024
In 2024, the drug Marisa Sandera prescribed most often to Medicare patients was Tamoxifen Citrate, with 314 prescriptions and refills. In total Marisa Sandera wrote 1,104 Medicare prescriptions that cost $2.4M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Tamoxifen Citrate Generic | 314 | 925 | 101 | $9,091 |
| Letrozole Generic | 122 | 342 | 46 | $2,623 |
| Exemestane Generic | 111 | 321 | 35 | $13K |
| Anastrozole Generic | 81 | 241 | 23 | $2,086 |
| Lenalidomide Generic | 34 | 34 | Under 11 | $452K |
| Venlafaxine Hcl Er Venlafaxine Hcl | 31 | 93 | 11 | $705 |
| Imbruvica Ibrutinib | 30 | 30 | Under 11 | $426K |
| Xarelto Rivaroxaban | 26 | 72 | Under 11 | $40K |
| Eliquis Apixaban | 25 | 49 | Under 11 | $26K |
| Imatinib Mesylate Generic | 19 | 19 | Under 11 | $39K |
| Dexamethasone Generic | 17 | 22 | Under 11 | $278 |
| Potassium Chloride Generic | 16 | 21 | Under 11 | $147 |
| Diphenoxylate-Atropine Diphenoxylate Hcl/Atropine | 16 | 19 | Under 11 | $451 |
| Everolimus Generic | 15 | 15 | Under 11 | $7,715 |
| Gabapentin Generic | 14 | 42 | Under 11 | $260 |
Brand drugs: 204 claims; generic drugs: 900 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Marisa Sandera $3,624 ($3,624 in general payments such as food, travel and fees) from 35 companies. The largest payer was Gilead Sciences, Inc. with $548.
| Company | Payments | Amount |
|---|---|---|
| Gilead Sciences, Inc. GILD | 8 | $548 |
| Janssen Biotech, Inc. JNJ | 11 | $524 |
| Karyopharm Therapeutics Inc. KPTI | 19 | $340 |
| Lilly USA, LLC LLY | 12 | $239 |
| AstraZeneca Pharmaceuticals LP AZN | 10 | $223 |
| Celgene Corporation BMY | 5 | $139 |
| Pfizer Inc. PFE | 8 | $137 |
| Genmab U.S., Inc. GMAB | 5 | $127 |
| Merck Sharp & Dohme LLC MRK | 5 | $118 |
| Astellas Pharma US Inc 4503.T | 6 | $114 |
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.