Internal Medicine, Rheumatology · San Antonio, TX
NPI
1811007412
Since 2006
Specialty
Internal Medicine, Rheumatology
Code 207RR0500X
Group practices
1
Medicare group memberships
Hospitals
0
Hospital affiliations
1303 McCullough Ave, Ste. 170
San Antonio, TX, 78212
Phone (210) 921-3800
Groups this clinician bills Medicare through
Medicare paid, 2024
$17K
496 services
Medicare patients, 2024
51
Average age 75
Drug cost, 2024
$7.5M
7,179 prescriptions
Company payments, 2025
$2,486
From 11 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Ana M Ballester-Fiallo was code 99214 (office e&m - established), 115 times for 46 patients. In total Ana M Ballester-Fiallo billed 496 services in 44 codes, and Medicare paid $17K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2015-01-12.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 115 | 46 | $83.92 | $9,651 |
By year: 2022 $19K for 400 services; 2023 $16K for 256 services; 2024 $17K for 496 services.
Lab tests billed to Medicare, 2023
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 82962 Clinical Chemistry | 16 | 11 | $3.21 | $51.36 |
Medicare prescription drug claims, 2024
In 2024, the drug Ana M Ballester-Fiallo prescribed most often to Medicare patients was Gabapentin, with 744 prescriptions and refills. In total Ana M Ballester-Fiallo wrote 7,179 Medicare prescriptions that cost $7.5M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Gabapentin Generic | 744 | 1,851 | 318 | $28K |
| Vitamin D2 Ergocalciferol (Vitamin D2) | 465 | 1,309 | 218 | $7,548 |
| Ibandronate Sodium Generic | 317 | 902 | 130 | $11K |
| Hydroxychloroquine Sulfate Generic | 246 | 688 | 80 | $9,049 |
| Topiramate Generic | 245 | 637 | 99 | $2,761 |
| Rinvoq Upadacitinib | 240 | 240 | 28 | $1.7M |
| Methotrexate Methotrexate Sodium | 209 | 554 | 73 | $4,391 |
| Leflunomide Generic | 198 | 552 | 66 | $8,126 |
| Mycophenolate Mofetil Generic | 194 | 402 | 61 | $25K |
| Methocarbamol Generic | 193 | 416 | 105 | $11K |
| Colchicine Generic | 184 | 422 | 70 | $24K |
| Prednisone Generic | 182 | 424 | 86 | $1,229 |
| Diclofenac Sodium Generic | 152 | 253 | 95 | $20K |
| Zoledronic Acid Zoledronic Acid/Mannitol-Water | 144 | 1,722 | 142 | $23K |
| Rosuvastatin Calcium Generic | 140 | 425 | 51 | $1,430 |
Brand drugs: - claims; generic drugs: 5,879 claims; opioid claims: 52.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Ana M Ballester-Fiallo $2,486 ($2,486 in general payments such as food, travel and fees) from 11 companies. The largest payer was Janssen Biotech, Inc. with $898.
| Company | Payments | Amount |
|---|---|---|
| Janssen Biotech, Inc. JNJ | 15 | $898 |
| Abbvie Inc. ABBV | 15 | $547 |
| Amgen Inc. AMGN | 11 | $408 |
| Radius Health, Inc. | 11 | $187 |
| E.R. Squibb & Sons, L.L.C. BMY | 10 | $146 |
| ANI Pharmaceuticals, Inc. ANIP | 16 | $145 |
| Pfizer Inc. PFE | 3 | $49.68 |
| Bayer Healthcare Pharmaceuticals Inc. BAYN.DE | 2 | $45.79 |
| Merck Sharp & Dohme LLC MRK | 1 | $23.91 |
| AstraZeneca Pharmaceuticals LP AZN | 1 | $20.52 |
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.