Casey Fincher, FNP
NPI 1659650521 · Family Nurse Practitioner · O Fallon, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Casey Fincher, FNP is a Family Nurse Practitioner provider in O Fallon, MO (NPI 1659650521).
Provider details
- NPI number
- 1659650521
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 2015001973 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
72 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 | $73 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 19 | $93 |
| Admn Sarscov2 Vacc 1 Dose90480 | 14 | $41 |
| Administration of Influenza Virus VaccineG0008 | 13 | $31 |
Typical Medicare-allowed amounts for these services range $31–$93 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-08-10
- Last updated
- 2025-01-24
- Certified
- 2025-01-23
Frequently asked questions
- What is Casey Fincher's NPI number?
- Casey Fincher's National Provider Identifier (NPI) is 1659650521, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Casey Fincher's specialty?
- Casey Fincher is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Casey Fincher located?
- Casey Fincher's practice location on file with NPPES is 3002 Highway K, O Fallon, MO 63368-8675.
- What is Casey Fincher's phone number?
- The practice phone number listed in the NPPES registry for Casey Fincher is (866) 389-2727.
- Does Casey Fincher accept Medicare?
- Casey Fincher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Casey Fincher's NPI active?
- Yes — Casey Fincher's NPI (1659650521) is active in the NPPES registry as of the last update on 2025-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.