WILLIAM HALEY MD
NPI 1851380448
Internal Medicine - Nephrology in Jacksonville, FL
About William Haley Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM HALEY MD (NPI 1851380448) is an individual nephrology provider in Jacksonville, Florida, licensed in Florida (70291) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William Haley Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Haley reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Jacksonville, FL 32224
- Reassigned Medicare billing, Florida enrollment
- 1,828 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 32224 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
JACKSONVILLE, FL 32224
JACKSONVILLE, FL 32224
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Haley's NPI number?
The NPI number for William Haley is 1851380448. It was assigned to this individual provider in the NPPES registry on October 17, 2005.
Where is William Haley located?
William Haley practices at 4500 San Pablo Rd S, Jacksonville, FL 32224. The listed phone number is (904) 953-2000.
What is William Haley's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is William Haley enrolled in Medicare?
Yes. William Haley is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Haley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Haley reassigns Medicare benefits to Mayo Clinic Jacksonville (Jacksonville, FL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Haley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Haley accept?
Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Sanford Health Plan list William Haley as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for William Haley was last updated on October 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# William Haley, MD · NPI 1851380448
Nephrology physician in Jacksonville, Florida. Individual provider, active in the CMS NPPES registry since October 17, 2005.
## Identity
- **NPI:** 1851380448 (Entity type: Individual)
- **Enumerated:** October 17, 2005
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 70291 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 4500 SAN PABLO RD S, Jacksonville, FL 32224-1865
- **Phone:** (904) 953-2000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mayo Clinic Jacksonville (NPI 1174143986, Jacksonville, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 1, 2020
---
Source: [NPI Profile](https://npiprofile.com/npi/1851380448) · Data from the CMS NPPES public registry.