Are you Allyse M. Ortega, FNP-C, AGACNP, RN? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find Allyse M. Ortega, FNP-C, AGACNP, RN
- O Fallon location main office
844 Waterbury Falls Dr Ste B, O Fallon, MO 63368 - Saint Louis location
9556 Manchester Rd, Saint Louis, MO 63119 - Ellisville location
17 Clarkson Rd, Ellisville, MO 63011 - Richmond Heights location
27 The Boulevard Saint Louis, Richmond Heights, MO 63117
About Allyse Ortega
Listed in the NPI registry as a nurse practitioner — family, Allyse M. Ortega, FNP-C, AGACNP, RN practices in O Fallon, MO. Allyse is also listed as specializing in nurse practitioner — acute care. According to Medicare claims data, Allyse cared for 265 Medicare patients across 95,022 services. The services billed most often include injection, lecanemab-irmb, 1 mg, injection, inclisiran, 1 mg, and injection, denosumab, 1 mg. NPI 1982149878 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (636) 385-5556
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
844 WATERBURY FALLS DR STE B
O Fallon, MO 63368
9556 Manchester Rd
Saint Louis, MO 63119
17 Clarkson Rd
Ellisville, MO 63011
27 The Boulevard Saint Louis
Richmond Heights, MO 63117
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Family generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Allergies
Allergy & skin
Blood disorders
Bone & joint
Dermatology
Digestive
Digestive health
Eye conditions
Heart health
Hormones & endocrine
Infections
Men's health
Mental health
Metabolic & weight
Nerve & joint
Nerve & spine
Neurological
Pain
Pain & spine
Pediatric infections
Respiratory
Skin
Sleep
Urinary health
Women's health
Procedures & services
Chronic condition care
- Chronic disease management visit
- Diabetic Foot Care
Dermatology
Diagnostic screening
Evaluation & Testing
Hormones & endocrine
Injury care
Lab tests
- COVID-19 testing
- Cholesterol screening
- Hemoglobin A1c Test
- Rapid strep testing
- Thyroid Blood Test
- Urine Drug Screen
Mental health
Minor procedures
- Burn and Wound Care
- Superficial foreign-body removal
- Incision and drainage of an abscess
- Ingrown toenail removal
Minor surgery
Physical exams
Prescriptions
Preventative care
Preventative exams
Sexual health
Skin procedures
Sleep
Urgent care
Weight management
Women's health
- IUD insertion and removal
- Pregnancy Confirmation Test
- Birth control counseling
- Contraceptive implant insertion and removal
- Pap smear
- Well-woman exam
Most searched procedures
Allergies
Diagnostic tests
Ear, nose & throat
- Earwax removal
Heart health
- EKG
Injections
Lifestyle counseling
Neurological care
Occupational health
Pain management
Respiratory care
Screenings
Procedures Most Often Billed to Medicare
95,022 services · 265 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96401 |
167 | More often than most peers in Nurse Practitioner, Family |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
124 | More often than most peers in Nurse Practitioner, Family |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
118 | More often than most peers in Nurse Practitioner, Family |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
76 | As often as other peers in Nurse Practitioner, Family |
| Injection, lecanemab-irmb, 1 mg | Drug given | J0174 |
81,090 | More often than most peers in Nurse Practitioner, Family |
| Injection, inclisiran, 1 mg | Drug given | J1306 |
10,508 | As often as other peers in Nurse Practitioner, Family |
| Injection, denosumab, 1 mg | Drug given | J0897 |
2,880 | As often as other peers in Nurse Practitioner, Family |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
20 | As often as other peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
15 | Less often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
13 | Less often than most peers in Nurse Practitioner, Family |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in O Fallon 8
Same specialty, same city.
More connections — 17 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 1
Providers in MO who bill this service to Medicare most often.
Common questions
What is Allyse M. Ortega, FNP-C, AGACNP's specialty?
Allyse M. Ortega, FNP-C, AGACNP is a nurse practitioner in O Fallon, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where can I find Allyse M. Ortega, FNP-C, AGACNP?
Allyse M. Ortega, FNP-C, AGACNP is listed at 844 Waterbury Falls Dr Ste B, O Fallon, MO 63368. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Allyse M. Ortega, FNP-C, AGACNP?
The number on file is (636) 385-5556. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Allyse M. Ortega, FNP-C, AGACNP's NPI number?
Allyse M. Ortega, FNP-C, AGACNP's National Provider Identifier is 1982149878. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Allyse M. Ortega, FNP-C, AGACNP's education?
Allyse M. Ortega, FNP-C, AGACNP attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How long has Allyse M. Ortega, FNP-C, AGACNP been practicing?
Allyse M. Ortega, FNP-C, AGACNP has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What is Allyse M. Ortega, FNP-C, AGACNP known for?
According to Medicare billing data, Allyse M. Ortega, FNP-C, AGACNP provides treatments such as administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle and administration of chemotherapy into vein, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Allyse M. Ortega, FNP-C, AGACNP confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Allyse M. Ortega, FNP-C, AGACNP. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.