NPPES file of Aug 9, 2026

Mary Isabel Alejo, AGACNP-BC

Critical Care Medicine Nurse Practitioner · Houston, TX

Mary Isabel Alejo, AGACNP-BC is a critical care medicine nurse practitioner with a practice address in Houston, Texas, and NPI 1245170406, issued on Mar 30, 2026. Check the license (Texas 1230494, as entered in NPPES) with the Texas board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1245170406
Name
Mary Isabel Alejo
Credential
AGACNP-BC
Primary taxonomy
Critical Care Medicine Nurse Practitioner 363LC0200X
License number
1230494 TX
Self-reported in NPPES; status is on the state search
Practice location
6720 Bertner Ave, Houston, TX 77030
Phone
(713) 798-2222
Enumerated
Mar 30, 2026
Record last updated
Jun 19, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 6720 Bertner Ave

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

  1. Ligaya Abangan, CRNACertified Registered Nurse Anesthetist1922088384
  2. Taj Adams, MDEmergency Medicine Physician1730321860
  3. Oludayo Adeyefa, M.D.Anesthesiology Physician1700014628
  4. Fatima Adhi, MDCritical Care Medicine (Internal Medicine) Physician1437590387
  5. Yunuen Aguilera Garcia, M.D.Critical Care Medicine (Internal Medicine) Physician1578842522
  6. Tabish Aijaz, M.D.Pain Medicine (Anesthesiology) Physician1417319732

Verify Mary Isabel Alejo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 1230494
    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
Find the Texas license search

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Critical Care Medicine Nurse Practitioner providers in Texas

There are 143 critical care medicine nurse practitioner records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other critical care medicine nurse practitioner records in Texas

  1. Sajani Abraham, APRNHouston, TX1952993909
  2. Michael Abrego, PA-CTexas City, TX1396040903
  3. Aune Albanese, NPConroe, TX1942285846
  4. Joshua Allen, DNPAmarillo, TX1659968295
  5. Preethi AntonyHouston, TX1083141071
  6. Daniel Apau, NPHouston, TX1457973547
  7. Dorcas Ayanga, MSN, APRN, AGACNP-BCHouston, TX1588393375
  8. Jason Babcock, N.P.Beaumont, TX1780748277
  9. Hayley Bassi, AGACNP-BCHouston, TX1902787393
  10. Aarti Bhesania, AGACNP-BCHouston, TX1225894652

Common questions

What is Mary Isabel Alejo, AGACNP-BC's NPI number?

Mary Isabel Alejo, AGACNP-BC's National Provider Identifier (NPI) is 1245170406, issued on Mar 30, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Mary Isabel Alejo, AGACNP-BC located?

The NPPES record lists a practice address at 6720 Bertner Ave, Houston, TX, 77030. Phone: (713) 798-2222. Providers update this record themselves, so call before visiting.

How can I verify Mary Isabel Alejo, AGACNP-BC's license?

NPPES lists Texas license number 1230494, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity 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. 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.