Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARY ISABEL ALEJO AGACNP-BC
NPI 1245170406
Nurse Practitioner - Critical Care Medicine in Houston, TX

Q: What is Mary Alejo's NPI number?

The NPI number for Mary Alejo is 1245170406. It was assigned to this individual provider in the NPPES registry on March 30, 2026.

Q: What is Mary Alejo's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.

Q: When was this NPI record last updated?

The NPPES record for Mary Alejo was last updated on June 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 48 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 30, 2026PECOS Enrolled

6720 BERTNER AVE, HOUSTON, TX 77030(713) 798-2222 Get Directions Write a Review

NPPES record last updated: June 19, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Mary Isabel Alejo Agacnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY ISABEL ALEJO AGACNP-BC (NPI 1245170406) is an individual critical care medicine provider in Houston, Texas, licensed in Texas (1230494) and active in the NPI registry since March 2026. She is enrolled in Medicare PECOS and maintains a secondary practice location in Houston.

NPPES Registry Identity

NPI1245170406

Entity TypeIndividualFemale

Primary Taxonomy363LC0200X

Provider Legal NameMARY ISABEL ALEJOCredential: AGACNP-BC

Location Address6720 BERTNER AVEHouston, TX 77030-2604

Mailing Address12735 Arcola Valley CtHouston, TX 77044-1770

Phone(713) 798-2222

Sole ProprietorNo

Enumeration DateMarch 30, 2026

Last NPPES UpdateJune 19, 2026

NPPES CertifiedJune 19, 2026

✔ NPI 1245170406 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Critical Care MedicinePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LC0200X

License✔ Licensed in TX · 1230494

Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License 1230494 (TX)

6720 BERTNER AVE, Houston, TX 77030

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Secondary Practice Location 1

Location 112735 Arcola Valley CtHouston, TX 77044-1770 · Phone (832) 405-2975

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Isabel Alejo Agacnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$90.40 typical visit price

range $58.24 – $176.98

Typical copayment $22.60 (range $14.56 – $44.24)

Most-billed visit code 99203

Established Patient

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ARCHANA VARGHEESE RAGHAVAN M.D.

Anesthesiology