Allison Wright Willis, MD
NPI 1851591721 · Neurology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Wright Willis, MD is a Neurology Physician provider in Philadelphia, PA (NPI 1851591721).
Provider details
- NPI number
- 1851591721
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD449044 (PA)
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
18 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
98 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 | 49 | $99 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 49 | $17 |
Typical Medicare-allowed amounts for these services range $17–$99 (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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 122 | 44 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa Er | 41 | 13 |
| Clonazepam | 27 | 12 |
| Amantadine Hclbrand: Amantadine | 25 | — |
| Carbidopa/Levodopa/Entacaponebrand: Carbidopa-Levodopa-Entacapone | 21 | — |
| Carbidopa | 12 | — |
| Rivastigmine Tartratebrand: Rivastigmine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$152 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
- 2007-07-19
- Last updated
- 2013-07-08
Frequently asked questions
- What is Allison Wright Willis's NPI number?
- Allison Wright Willis's National Provider Identifier (NPI) is 1851591721, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Wright Willis's specialty?
- Allison Wright Willis is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Allison Wright Willis located?
- Allison Wright Willis's practice location on file with NPPES is 800 Spruce St, Philadelphia, PA 19107-6130.
- What is Allison Wright Willis's phone number?
- The practice phone number listed in the NPPES registry for Allison Wright Willis is (215) 829-6500.
- Does Allison Wright Willis accept Medicare?
- Allison Wright Willis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Wright Willis's NPI active?
- Yes — Allison Wright Willis's NPI (1851591721) is active in the NPPES registry as of the last update on 2013-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.