Doctor profile · Federal record
Dr. Ana Ballester-Fiallo, MD
Rheumatology Physician (CMS: Rheumatology) · San Antonio, TX
- NPI 1811007412
- Accepts Medicare
- 44 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1303 McCullough Ave, Ste. 170
San Antonio, TX 782125609
(210) 921-3800
fax (210) 334-2851 - Mailing address
-
720 Pleasanton RD
San Antonio, TX 782141306
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- January 12, 2015
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Texas #H3647
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811007412. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
140
Distinct HCPCS
2
Medicare allowed
$14,799
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 124 | 48 | $119 | |
82962 |
Blood glucose (sugar) test performed by hand-held instrument | 16 | 11 | $3 |
In context: peer comparison
Among 14 peers in San Antonio Rheumatology Physician, average services per provider: 2,374. This provider delivers 0.1× the peer median.Open Payments
Industry payments received
All-time total
$2,929
Transactions
104
Manufacturers
14
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 19 | $948.53 | |
| Amgen INC. | 24 | $665.80 | |
| Janssen Biotech, INC. | 9 | $466.40 | |
| Ani Pharmaceuticals, INC. | 20 | $243.31 | |
| Radius Health, INC. | 12 | $177.17 | |
| E.R. Squibb & Sons, L.L.C. | 5 | $89.50 | |
| Fresenius Kabi USA, LLC | 3 | $79.36 | |
| Pfizer INC. | 4 | $70.73 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 2 | $47.03 | |
| Novartis Pharmaceuticals Corporation | 2 | $43.51 | |
| Actelion Pharmaceuticals US, INC. | 1 | $38.23 | |
| Merck Sharp & Dohme LLC | 1 | $23.34 | |
| Sandoz INC. | 1 | $23.00 | |
| Bayer Healthcare Pharmaceuticals INC. | 1 | $13.45 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,430
Patients
1,296
Total drug cost
$3,949,060
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 584 | 241 | $19,489 |
| Ibandronate Sodium | Generic | 348 | 137 | $17,432 |
| Diclofenac Sodium | Generic | 286 | 183 | $38,238 |
| Rinvoq (Upadacitinib) | Brand | 262 | 30 | $1,747,159 |
| Methotrexate (Methotrexate Sodium) | Brand | 242 | 75 | $13,890 |
| Hydroxychloroquine Sulfate | Generic | 222 | 74 | $27,382 |
| Topiramate | Generic | 219 | 79 | $5,236 |
| Vitamin D2 (Ergocalciferol (Vitamin D2)) | Brand | 190 | 114 | $2,729 |
| Leflunomide | Generic | 186 | 67 | $18,775 |
| Mycophenolate Mofetil | Generic | 182 | 63 | $51,089 |
Frequently asked questions
What is Dr. Ana Ballester-Fiallo's medical specialty?
Dr. Ana Ballester-Fiallo practices Rheumatology Physician in San Antonio, TX.
Where does Dr. Ana Ballester-Fiallo practice?
Dr. Ana Ballester-Fiallo practices at 1303 McCullough Ave, San Antonio, TX 782125609. Office phone: 2109213800.
What is Dr. Ana Ballester-Fiallo's NPI?
Dr. Ana Ballester-Fiallo's National Provider Identifier (NPI) is 1811007412, issued by NPPES.
Does Dr. Ana Ballester-Fiallo accept Medicare assignment?
Yes. Dr. Ana Ballester-Fiallo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ana Ballester-Fiallo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Blood glucose (sugar) test performed by hand-held instrument (HCPCS 82962). Source: CMS Medicare Physician & Other Practitioners file.