William Knubley, MD
NPI 1346269180 · Neurology Physician · Fort Smith, AR
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Knubley, MD is a Neurology Physician provider in Fort Smith, AR (NPI 1346269180).
Provider details
- NPI number
- 1346269180
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R-3702 (AR)
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
19 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
341 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 | 219 | $115 |
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy95816 | 58 | $331 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 31 | $194 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Limited Study95885 | 21 | $53 |
| Nerve Conduction, 7-8 Studies95910 | 12 | $155 |
Typical Medicare-allowed amounts for these services range $53–$331 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 528 | 91 |
| Donepezil Hcl | 331 | 62 |
| Levetiracetam | 312 | 57 |
| Gabapentin | 247 | 51 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 167 | 30 |
| Primidone | 149 | 35 |
| Topiramate | 125 | 22 |
| Lacosamide | 115 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,628 across 83 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
- 2006-07-19
- Last updated
- 2007-09-14
Frequently asked questions
- What is William Knubley's NPI number?
- William Knubley's National Provider Identifier (NPI) is 1346269180, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Knubley's specialty?
- William Knubley is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is William Knubley located?
- William Knubley's practice location on file with NPPES is 6801 Rogers Ave, Fort Smith, AR 72903-4067.
- What is William Knubley's phone number?
- The practice phone number listed in the NPPES registry for William Knubley is (479) 452-2077.
- Does William Knubley accept Medicare?
- William Knubley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Knubley's NPI active?
- Yes — William Knubley's NPI (1346269180) is active in the NPPES registry as of the last update on 2007-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.