Ana Miriam Ballester-Fiallo, MD
Rheumatology Physician · San Antonio, TX
Ana Miriam Ballester-Fiallo, MD is a rheumatology physician with a practice address in San Antonio, Texas, and NPI 1811007412, issued on Aug 30, 2006. Check the license (Texas H3647, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ana Miriam Ballester-Fiallo
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- H3647 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1303 Mccullough Ave, San Antonio, TX 78212
- Phone
- (210) 921-3800
- Enumerated
- Aug 30, 2006
- Record last updated
- Jan 12, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (210) 334-2851
- Medicare enrollment
- Enrolled (PECOS I20101124000236); accepts Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 545 in Texas → Look up another NPI →
Also registered at 1303 Mccullough Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Neera Bhatia, MDObstetrics & Gynecology Physician1760428619
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Verify Ana Miriam Ballester-Fiallo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H3647Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average rheumatology physician in 2024
7,179 Medicare Part D claims for 844 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 52 claims were for opioids.
Most prescribed
- Gabapentin744 claims
- Vitamin D2465 claims
- Ibandronate Sodium317 claims
- Hydroxychloroquine Sulfate246 claims
- Topiramate245 claims
- Rinvoq240 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $2,929.36
104 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Gmg Health Systems Associates PASan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ana Miriam Ballester-Fiallo among 545 rheumatology physician records in Texas
Ana Miriam Ballester-Fiallo, MD is one of 545 rheumatology physician records with a practice address in Texas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 58% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1982 · median 2004 among the 417 with a school on file
- Record last updated2015 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Texas
There are 545 rheumatology physician records in Texas.
All 545 in Texas → Every provider in San Antonio → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Kim Dang, DOSan Antonio, TX 782121750886610
- Bernard Hildebrand, MDSan Antonio, TX 782121033232418
- Monica Makar, DOSan Antonio, TX 782121104407196
- Robert Persellin, M. D.San Antonio, TX 782121225113434
- Joseph VillanacciSan Antonio, TX 782121609373810
- Aaron Garza Romero, M.D.San Antonio, TX 782141912294976
- Joe Cole, M.D., P.A.San Antonio, TX 782091780604793
- Rita Cuevas, MDSan Antonio, TX 782151689653917
Common questions
What is Ana Miriam Ballester-Fiallo, MD's NPI number?
Ana Miriam Ballester-Fiallo, MD's National Provider Identifier (NPI) is 1811007412, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ana Miriam Ballester-Fiallo, MD located?
The NPPES record lists a practice address at 1303 Mccullough Ave, San Antonio, TX, 78212. Phone: (210) 921-3800. Providers update this record themselves, so call before visiting.
How can I verify Ana Miriam Ballester-Fiallo, MD's license?
NPPES lists Texas license number H3647, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ana Miriam Ballester-Fiallo, MD prescribe under Medicare Part D?
In 2024, Ana Miriam Ballester-Fiallo, MD had 7,179 Medicare Part D claims for 844 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.