Gregory Fenton, M.D.
NPI 1295115079 · Neurology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Fenton, M.D. is a Neurology Physician provider in Chicago, IL (NPI 1295115079).
Provider details
- NPI number
- 1295115079
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 125066583 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
355 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) |
|---|---|---|
| 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 | 118 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 56 | $147 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 50 | $100 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 31 | $81 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 29 | $122 |
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 |
|---|---|---|
| Gabapentin | 90 | 22 |
| Memantine Hcl | 71 | 16 |
| Galcanezumab-Gnlmbrand: Emgality Pen | 65 | — |
| Erenumab-Aooebrand: Aimovig Autoinjector | 50 | — |
| Donepezil Hcl | 36 | 14 |
| Levetiracetam | 36 | — |
| Baclofen | 26 | — |
| Topiramate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-06-05
- Last updated
- 2022-03-24
- Certified
- 2022-03-24
Frequently asked questions
- What is Gregory Fenton's NPI number?
- Gregory Fenton's National Provider Identifier (NPI) is 1295115079, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Fenton's specialty?
- Gregory Fenton is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Fenton located?
- Gregory Fenton's practice location on file with NPPES is 1653 W Congress Pkwy, Chicago, IL 60612-3833.
- What is Gregory Fenton's phone number?
- The practice phone number listed in the NPPES registry for Gregory Fenton is (312) 942-5000.
- Does Gregory Fenton accept Medicare?
- Gregory Fenton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Fenton's NPI active?
- Yes — Gregory Fenton's NPI (1295115079) is active in the NPPES registry as of the last update on 2022-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.