Ari Wilkenfeld, MD, PHD
NPI 1922273200 · Neurology Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ari Wilkenfeld, MD, PHD is a Neurology Physician provider in Worcester, MA (NPI 1922273200).
Provider details
- NPI number
- 1922273200
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 228943 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
299 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 116 | $96 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 38 | $49 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 35 | $132 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 30 | $126 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 29 | $143 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 78 | 20 |
| Levetiracetam | 65 | 12 |
| Memantine Hcl | 63 | 13 |
| Donepezil Hcl | 34 | — |
| Phenytoin Sodium Extended | 26 | — |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa Er | 23 | — |
| Primidone | 22 | — |
| Gabapentin |
Practice location
Mailing address
Additional practice locations (1)
- 67 Belmont StSuite 301Worcester, MA 01605-2657Phone: (508) 334-6641
Registry dates
- Enumerated
- 2008-04-28
- Last updated
- 2020-12-15
- Certified
- 2020-12-15
Frequently asked questions
- What is Ari Wilkenfeld's NPI number?
- Ari Wilkenfeld's National Provider Identifier (NPI) is 1922273200, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ari Wilkenfeld's specialty?
- Ari Wilkenfeld is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Ari Wilkenfeld located?
- Ari Wilkenfeld's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Ari Wilkenfeld's phone number?
- The practice phone number listed in the NPPES registry for Ari Wilkenfeld is (508) 334-2527.
- Does Ari Wilkenfeld accept Medicare?
- Ari Wilkenfeld is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ari Wilkenfeld's NPI active?
- Yes — Ari Wilkenfeld's NPI (1922273200) is active in the NPPES registry as of the last update on 2020-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.