NPPES file of Aug 9, 2026

Alejandro A. Granillo Ibanez, M.D.

Infectious Disease Physician · Houston, TX

Alejandro A. Granillo Ibanez, M.D. is an infectious disease physician with a practice address in Houston, Texas, and NPI 1801321963, issued on Apr 26, 2017. Check the license (Texas T3959, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801321963
Name
Alejandro A. Granillo Ibanez
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
T3959 TX
Self-reported in NPPES; status is on the state search
Practice location
6560 Fannin St Ste 1540, Houston, TX 77030
Phone
(713) 799-9997
Enumerated
Apr 26, 2017
Record last updated
Apr 10, 2023
Fax
(713) 799-2511
Medicare enrollment
Enrolled (PECOS I20220715000943); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6560 Fannin St Ste 1540

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Patrycja Ashley, MDInfectious Disease Physician1497241087
  2. Dierdre Axell-House, MDInfectious Disease Physician1154716231
  3. Adarsh Bhimraj, M.D.Infectious Disease Physician1316140106
  4. Mari Galang, RN, AGACNP-BCAcute Care Nurse Practitioner1699190678
  5. Jenesi Gardner, DNP, APRNAcute Care Nurse Practitioner1326589292
  6. Ingrid Lazaridou, MDDermatology Physician1356219208

Verify Alejandro A. Granillo Ibanez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license T3959
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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47% fewer Medicare Part D claims than the average infectious disease physician in 2024

362 Medicare Part D claims for 79 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.

  1. Alejandro Granillo Ibanez362
  2. Specialty average689

Most prescribed

  1. Biktarvy51 claims
  2. Vancomycin Hcl36 claims
  3. Cefepime Hcl33 claims
  4. Ertapenem26 claims
  5. Ceftriaxone24 claims
  6. Daptomycin23 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: $29.14

1 payment: food and beverage; the largest payer was Theratechnologies Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alejandro Granillo Ibanez$29.14
  2. Specialty average$4,362.19

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Houston Methodist Specialty PhysiciansHouston, TX
  2. Tmh Physician Associates PLLCSugar Land, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alejandro A. Granillo Ibanez among 674 infectious disease physician records in Texas

Alejandro A. Granillo Ibanez, M.D. is one of 674 infectious disease physician records with a practice address in Texas. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 87% of them.

  • NPI issued2017 · 87% of these records are older, 10% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2016 · median 2002 among the 510 with a school on file
  • Record last updated2023 · 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 207RI0200X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Texas

There are 674 infectious disease physician records in Texas.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Lisa Armitige, M.D.Houston, TX 770301568480820
  2. Ben Barnett, M.D.Houston, TX 770301457379687
  3. Tanvir Bell, M.D.Houston, TX 770301720012644
  4. Victor Fainstein, MDHouston, TX 770301912985664
  5. Richard Harris, M.D.Houston, TX 770301851373039
  6. Rodrigo Hasbun, M.D., M.P.H.Houston, TX 770301659334100
  7. Jiejian Lin, M.D.Houston, TX 770301679533533
  8. Cezarina Mindru, MDHouston, TX 770301497780787

Common questions

What is Alejandro A. Granillo Ibanez, M.D.'s NPI number?

Alejandro A. Granillo Ibanez, M.D.'s National Provider Identifier (NPI) is 1801321963, issued on Apr 26, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Alejandro A. Granillo Ibanez, M.D. located?

The NPPES record lists a practice address at 6560 Fannin St Ste 1540, Houston, TX, 77030. Phone: (713) 799-9997. Providers update this record themselves, so call before visiting.

How can I verify Alejandro A. Granillo Ibanez, M.D.'s license?

NPPES lists Texas license number T3959, 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 Alejandro A. Granillo Ibanez, M.D. prescribe under Medicare Part D?

In 2024, Alejandro A. Granillo Ibanez, M.D. had 362 Medicare Part D claims for 79 beneficiaries; the average among infectious disease physician prescribers was 689. 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.