Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Allyse Ortega

Sees patients in Ellisville, MO · O Fallon, MO · Missouri

Summary

Allyse Ortega (Nurse Practitioner) is enrolled with Medicare at 2 practice locations in Ellisville, MO and O Fallon, MO. NPI 1982149878. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Allyse Ortega, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
FemaleGender (as listed)

Quick answers

Where does Allyse Ortega see patients?
Medicare's clinician data lists 2 practice locations, including Ellisville, MO and O Fallon, MO. Call before your visit to confirm the address.
What is Allyse Ortega's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Allyse Ortega accept Medicare assignment?
Yes. Medicare's clinician data says Allyse Ortega accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Allyse Ortega?
(281) 295-4000, as listed in official Medicare / NPI Registry data.
What is Allyse Ortega's NPI number?
1982149878. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Allyse Ortega is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other clinicians: Nurse Practitioner, Missouri →

Other nurse practitioners in Ellisville

Clinicians with the same Medicare primary specialty in Ellisville, MO — not a recommendation.

All nurse practitioners in Ellisville →

Clinician information

Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982149878
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians