Benjamin Williamson, DNP
NPI 1871047787 · Family Nurse Practitioner · Seneca, SC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Williamson, DNP is a Family Nurse Practitioner provider in Seneca, SC (NPI 1871047787).
Provider details
- NPI number
- 1871047787
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP
- Sex
- Male
- Sole proprietor
- No
- License
- 20409 (SC)
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 tenure33% of score
9 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 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 292 | 253 |
| Azithromycin | 103 | 99 |
| Atorvastatin Calcium | 80 | 27 |
| Doxycycline Monohydrate | 67 | 59 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 61 | 60 |
| Ibuprofen | 48 | 39 |
| Gabapentin | 45 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$620 across 38 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
- 2016-08-09
- Last updated
- 2022-02-21
- Certified
- 2022-02-21
Frequently asked questions
- What is Benjamin Williamson's NPI number?
- Benjamin Williamson's National Provider Identifier (NPI) is 1871047787, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Williamson's specialty?
- Benjamin Williamson is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Benjamin Williamson located?
- Benjamin Williamson's practice location on file with NPPES is 12016 N Radio Station Rd, Seneca, SC 29678-1143.
- What is Benjamin Williamson's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Williamson is (864) 882-6141.
- Does Benjamin Williamson accept Medicare?
- Benjamin Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Williamson's NPI active?
- Yes — Benjamin Williamson's NPI (1871047787) is active in the NPPES registry as of the last update on 2022-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.