William Fox, M.D.
NPI 1134241243 · Neurological Surgery Physician · Jacksonville, FL
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Fox, M.D. is a Neurological Surgery Physician provider in Jacksonville, FL (NPI 1134241243).
Provider details
- NPI number
- 1134241243
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA09288100 (NJ)
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 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
450 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) |
|---|---|---|
| Insertion of Cage Or Mesh Device to Spine Bone and Disc Space During Spine Fusion22853 | 61 | $268 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 60 | $109 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 44 | $55 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 32 | $14 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 28 | $125 |
| Fusion of Lower Spine Bone Through Abdomen With Partial Removal of Disc22558 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$167 across 1 record (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
- 2007-04-06
- Last updated
- 2020-11-12
- Certified
- 2020-11-12
Frequently asked questions
- What is William Fox's NPI number?
- William Fox's National Provider Identifier (NPI) is 1134241243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Fox's specialty?
- William Fox is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Fox located?
- William Fox's practice location on file with NPPES is 4500 San Pablo Rd S, Jacksonville, FL 32224-1865.
- What is William Fox's phone number?
- The practice phone number listed in the NPPES registry for William Fox is (904) 953-2000.
- Does William Fox accept Medicare?
- William Fox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Fox's NPI active?
- Yes — William Fox's NPI (1134241243) is active in the NPPES registry as of the last update on 2020-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.