Allyse Ortega, FNP-C, AGACNP, RN
NPI 1982149878 · Family Nurse Practitioner · O Fallon, MO
Provider details
- NPI number
- 1982149878
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C, AGACNP, RN
- Sex
- Female
- Sole proprietor
- No
- License
- 2017001487 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
544 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 167 | $57 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 124 | $103 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 118 | $12 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 76 | $50 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 20 | $91 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$519 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 17 Clarkson RdEllisville, MO 63011-2215Phone: (636) 552-9079
- 27 the Boulevard Saint LouisRichmond Heights, MO 63117-1118Phone: (636) 385-5556Fax: (636) 614-2093
- 9556 Manchester RdSaint Louis, MO 63119-1313Phone: (314) 373-5740
Registry dates
- Enumerated
- 2016-12-30
- Last updated
- 2026-01-27
- Certified
- 2026-01-27
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.