HARRISON JAMES GILLEY DPM
NPI 1437892494
Podiatrist - Foot & Ankle Surgery in Alton, IL
About Harrison James Gilley Dpm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HARRISON JAMES GILLEY DPM (NPI 1437892494) is an individual foot & ankle surgery provider in Alton, Illinois, licensed in Illinois (016.006103) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Alton Memorial Hospital, and is a graduate of Other (2022).
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
Harrison James Gilley Dpm 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 Harrison Gilley reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63128
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Next Step Foot & Ankle Centers, Inc.
- 7 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Alton Memorial Hospital
Acute Care Hospitals · Alton, ILDecatur Memorial Hospital
Acute Care Hospitals · Decatur, ILSt Marys Hospital
Acute Care Hospitals · Decatur, ILHshs Good Shepherd Hospital Inc
Critical Access Hospitals · Shelbyville, ILOther Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ALTON, IL 62002
ALTON, IL 62002
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 Harrison Gilley's NPI number?
The NPI number for Harrison Gilley is 1437892494. It was assigned to this individual provider in the NPPES registry on April 18, 2022.
Where is Harrison Gilley located?
Harrison Gilley practices at 3505 College Ave Ste B, Alton, IL 62002. The listed phone number is (618) 462-9695.
What is Harrison Gilley's specialty?
The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.
Is Harrison Gilley enrolled in Medicare?
Yes. Harrison Gilley 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 Harrison Gilley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Harrison Gilley reassigns Medicare benefits to Next Step Foot And Ankle Centers, Inc (Saint Louis, MO). 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 Harrison Gilley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Harrison Gilley accept?
Health plans from Medica list Harrison Gilley 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.
Is Harrison Gilley affiliated with any hospitals?
According to CMS data, Harrison Gilley is affiliated with Alton Memorial Hospital, Decatur Memorial Hospital, St Marys Hospital and Hshs Good Shepherd Hospital Inc.
When was this NPI record last updated?
The NPPES record for Harrison Gilley was last updated on January 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Harrison James Gilley, DPM · NPI 1437892494
Foot & Ankle Surgery provider in Alton, Illinois. Individual provider, active in the CMS NPPES registry since April 18, 2022.
## Identity
- **NPI:** 1437892494 (Entity type: Individual)
- **Enumerated:** April 18, 2022
- **Primary specialty:** Podiatrist - Foot & Ankle Surgery · taxonomy 213ES0103X
- **State license:** 016.006103 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3505 COLLEGE AVE STE B, Alton, IL 62002-5065
- **Phone:** (618) 462-9695
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Next Step Foot And Ankle Centers, Inc (NPI 1518938919, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** January 2, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1437892494) · Data from the CMS NPPES public registry.