Samantha Castlebury, FNP-C
NPI 1942703863 · Family Nurse Practitioner · Oak Grove, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samantha Castlebury, FNP-C is a Family Nurse Practitioner provider in Oak Grove, MO (NPI 1942703863).
Provider details
- NPI number
- 1942703863
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 2018003288 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 140 | 51 |
| Levothyroxine Sodium | 126 | 42 |
| Lisinopril | 116 | 45 |
| Omeprazole | 102 | 42 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 88 | 80 |
| Metformin Hcl | 88 | 31 |
| Doxycycline Hyclate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,112 across 62 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
Registry dates
- Enumerated
- 2018-03-16
- Last updated
- 2025-11-10
- Certified
- 2025-11-10
Frequently asked questions
- What is Samantha Castlebury's NPI number?
- Samantha Castlebury's National Provider Identifier (NPI) is 1942703863, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samantha Castlebury's specialty?
- Samantha Castlebury is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Samantha Castlebury located?
- Samantha Castlebury's practice location on file with NPPES is 302 Se Salem, Oak Grove, MO 64075.
- What is Samantha Castlebury's phone number?
- The practice phone number listed in the NPPES registry for Samantha Castlebury is (816) 690-6566.
- Does Samantha Castlebury accept Medicare?
- Samantha Castlebury is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samantha Castlebury's NPI active?
- Yes — Samantha Castlebury's NPI (1942703863) is active in the NPPES registry as of the last update on 2025-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.