Facundo Fulgueira, M.D.
Internal Medicine Physician · San Antonio, TX
Facundo Fulgueira, M.D. is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1184042343, issued on Apr 3, 2014. Check the license (Texas R5262, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Facundo Fulgueira
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- R5262 TX
Self-reported in NPPES; status is on the state search - Practice location
- 701 S Zarzamora St, San Antonio, TX 78207
- Phone
- (210) 358-7000
- Enumerated
- Apr 3, 2014
- Record last updated
- Sep 30, 2025
- Fax
- (210) 358-7406
- Medicare enrollment
- Enrolled (PECOS I20180206000471); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 701 S Zarzamora St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Facundo Fulgueira in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R5262Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
33 Medicare Part D claims for 21 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Christus Trinity ClinicTyler, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Facundo Fulgueira among 9,175 internal medicine physician records in Texas
Facundo Fulgueira, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 69% of them.
- NPI issued2014 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2014 · median 2004 among the 6,088 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
657 internal medicine physician records list a practice address in San Antonio
They are 657 of the 37,749 NPPES records with a practice address in San Antonio, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in San Antonio → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Delia Bullock, M.D.San Antonio, TX 782071598748097
- Annie Chacko, MDSan Antonio, TX 782071598878787
- Jorge Estrada, M.D.San Antonio, TX 782071346274495
- Ernesto Garza, M.D.San Antonio, TX 782071376685115
- Sarah Lapey, MDSan Antonio, TX 782071619084787
- David Montemayor, M.D.San Antonio, TX 782071255343042
- Nasser Nakissa, MDSan Antonio, TX 782071689774010
- Ambili Ramachandran, M.D.San Antonio, TX 782071467696047
Common questions
What is Facundo Fulgueira, M.D.'s NPI number?
Facundo Fulgueira, M.D.'s National Provider Identifier (NPI) is 1184042343, issued on Apr 3, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Facundo Fulgueira, M.D. located?
The NPPES record lists a practice address at 701 S Zarzamora St, San Antonio, TX, 78207. Phone: (210) 358-7000. Providers update this record themselves, so call before visiting.
How can I verify Facundo Fulgueira, M.D.'s license?
NPPES lists Texas license number R5262, 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 Facundo Fulgueira, M.D. prescribe under Medicare Part D?
In 2024, Facundo Fulgueira, M.D. had 33 Medicare Part D claims for 21 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.