Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Allyse Marie Ortega, FNP-C, AGACNP, RN

Individual provider Family Nurse Practitioner · NPI 1982149878

Allyse Marie Ortega, FNP-C, AGACNP, RN is a Nurse Practitioner in O Fallon, Missouri. Qualified in 2021, 5 years ago. Works from 4 locations and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
5
Licensed in
MO
In the registry since
2016
Specialties on file
3
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

844 Waterbury Falls Dr Ste B
O Fallon, MO 63368-2208
Phone: (636) 385-5556
Fax: (636) 614-2093
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 17 Clarkson Rd, Ellisville, MO 63011-2215 — (636) 552-9079
  • 27 The Boulevard Saint Louis, Richmond Heights, MO 63117-1118 — (636) 385-5556
  • 9556 Manchester Rd, Saint Louis, MO 63119-1313 — (314) 373-5740

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 2017001487 (MO)
Emergency Registered Nurse Taxonomy 163WE0003X · Licence 2010020396 (MO)
Acute Care Nurse Practitioner Taxonomy 363LA2100X · Licence 2023000801 (MO)

Record details

NPI number1982149878
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-C , AGACNP , RN
Sole proprietorNo
NPI enumeratedDecember 30, 2016
Last updated in NPPESJanuary 27, 2026
Certification dateJanuary 27, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in O Fallon