DR. WILLIAM JULIUS SHERGY MD
NPI 1073531307
Internal Medicine - Rheumatology in Huntsville, AL
About Dr. William Julius Shergy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM JULIUS SHERGY MD (NPI 1073531307) is an individual rheumatology provider in Huntsville, Alabama, licensed in Alabama (13812) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Sheffield, and is a graduate of Hahnemann University College Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. William Julius Shergy Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show William Shergy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Huntsville, AL 35801
- Reassigned Medicare billing, Alabama enrollment
- Also billed through NPI 1518991546 (Alabama)
- 10 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.
Areas of Expertise CMS Part B claims 38
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 35802 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.
Reported Quality Measures
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HUNTSVILLE, AL 35802
HUNTSVILLE, AL 35802
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 Shergy's NPI number?
The NPI number for William Shergy is 1073531307. It was assigned to this individual provider in the NPPES registry on July 17, 2006.
Where is William Shergy located?
William Shergy practices at 4606 Bellewood Dr, Huntsville, AL 35802. The listed phone number is (256) 551-6510.
What is William Shergy's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is William Shergy enrolled in Medicare?
Yes. William Shergy is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for William Shergy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Shergy reassigns Medicare benefits to Rheumatology Associates Of North Alabama, PC (Huntsville, AL). 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 Shergy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Shergy accept?
Health plans from Ambetter Health, Ambetter of Alabama, Ambetter of Tennessee, Blue Cross and Blue Shield of Alabama and UnitedHealthcare list William Shergy 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 Shergy was last updated on January 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.