Samantha Warden, MD
NPI 1013531805 · Family Medicine Physician · O Fallon, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samantha Warden, MD is a Family Medicine Physician provider in O Fallon, MO (NPI 1013531805).
Provider details
- NPI number
- 1013531805
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2023026712 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
52 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) |
|---|---|---|
| Automated Urinalysis Test81003 | 20 | $2 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 20 | $69 |
| X-Ray of Chest, 2 Views71046 | 12 | $20 |
Typical Medicare-allowed amounts for these services range $2–$69 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 92 | 31 |
| Gabapentin | 58 | 25 |
| Amlodipine Besylate | 49 | 16 |
| Lisinopril | 45 | 15 |
| Famotidine | 43 | 16 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 43 | 38 |
| Fluticasone Propionate | 43 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$13 across 1 record (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 (1)
- 515 Maple Valley DrFarmington, MO 63640-1919Phone: (573) 760-7920Fax: (573) 756-9597
Registry dates
- Enumerated
- 2020-06-08
- Last updated
- 2026-03-27
- Certified
- 2026-03-27
Frequently asked questions
- What is Samantha Warden's NPI number?
- Samantha Warden's National Provider Identifier (NPI) is 1013531805, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samantha Warden's specialty?
- Samantha Warden is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Samantha Warden located?
- Samantha Warden's practice location on file with NPPES is 20 Progress Point Pkwy Ste 108, O Fallon, MO 63368-2207.
- What is Samantha Warden's phone number?
- The practice phone number listed in the NPPES registry for Samantha Warden is (636) 344-2400.
- Does Samantha Warden accept Medicare?
- Samantha Warden is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samantha Warden's NPI active?
- Yes — Samantha Warden's NPI (1013531805) is active in the NPPES registry as of the last update on 2026-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.