WILLIAM H HEWITT MD
NPI 1184668501
Psychiatry & Neurology - Neurology in Mobile, AL
About William H Hewitt Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM H HEWITT MD (NPI 1184668501) is an individual neurology provider in Mobile, Alabama, licensed in Alabama (27994) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Mississippi School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses 2
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
William H Hewitt 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 Reassignments
2Medicare enrollment records show William Hewitt reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mobile, AL 36604
- Reassigned Medicare billing, Alabama enrollment
- 857 clinicians in this Medicare group
Mobile, AL 36604
- Reassigned Medicare billing, Alabama enrollment
- 210 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 6
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 36604 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.
MOBILE, AL 36604
MOBILE, AL 36604
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 Hewitt's NPI number?
The NPI number for William Hewitt is 1184668501. It was assigned to this individual provider in the NPPES registry on June 15, 2006.
Where is William Hewitt located?
William Hewitt practices at 1601 Center St, Mobile, AL 36604. The listed phone number is (251) 660-5108.
What is William Hewitt's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is William Hewitt enrolled in Medicare?
Yes. William Hewitt 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 organizations bill Medicare for William Hewitt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Hewitt reassigns Medicare benefits to 2 organizations: Usa Health Physician Billing Services LLC (Mobile, AL) and Imc-Diagnostic And Medical Clinic LLC (Mobile, AL). Each 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 Hewitt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Hewitt accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 4 other insurers list William Hewitt 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 Hewitt was last updated on March 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 H Hewitt, MD · NPI 1184668501
Neurology physician in Mobile, Alabama. Individual provider, active in the CMS NPPES registry since June 15, 2006.
## Identity
- **NPI:** 1184668501 (Entity type: Individual)
- **Enumerated:** June 15, 2006
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 27994 (Alabama)
- **Sole proprietor:** No
## Practice location
- **Address:** 1601 CENTER ST, Mobile, AL 36604-1541
- **Phone:** (251) 660-5108 · **Fax:** (251) 660-5792
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Usa Health Physician Billing Services LLC (NPI 1013574722, Mobile, AL); Imc-Diagnostic And Medical Clinic LLC (NPI 1447201066, Mobile, AL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Mississippi School Of Medicine, class of 2001
## Record status
- **NPPES last updated:** March 30, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1184668501) · Data from the CMS NPPES public registry.