William Sommers, D.O.
NPI 1740210830 · Specialist · Wilmington, DE
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Sommers, D.O. is a Specialist provider in Wilmington, DE (NPI 1740210830).
Provider details
- NPI number
- 1740210830
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- C20002717 (DE)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
30 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 30 | $121 |
Typical Medicare-allowed amounts for these services range $121–$121 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 31 | 14 |
| Gabapentin | 31 | 12 |
| Propranolol Hclbrand: Propranolol Hcl Er | 26 | — |
| Topiramate | 23 | — |
| Donepezil Hcl | 22 | — |
| Levetiracetam | 22 | 11 |
| Clonazepam | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$221 across 2 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
- 2006-07-04
- Last updated
- 2025-07-31
- Certified
- 2025-07-31
Frequently asked questions
- What is William Sommers's NPI number?
- William Sommers's National Provider Identifier (NPI) is 1740210830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Sommers's specialty?
- William Sommers is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is William Sommers located?
- William Sommers's practice location on file with NPPES is 701 N. Clayton Street, Wilmington, DE 19805.
- What is William Sommers's phone number?
- The practice phone number listed in the NPPES registry for William Sommers is (302) 892-9400.
- Does William Sommers accept Medicare?
- William Sommers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Sommers's NPI active?
- Yes — William Sommers's NPI (1740210830) is active in the NPPES registry as of the last update on 2025-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.