DR. ERIC PAUL GUILLIAMS MD
NPI 1013936749
Urology in Joplin, MO
About Dr. Eric Paul Guilliams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIC PAUL GUILLIAMS MD (NPI 1013936749) is an individual urology provider in Joplin, Missouri, licensed in Missouri (2004034152) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Springfield, and is a graduate of University Of Tennessee, Hsc, College Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. Eric Paul Guilliams 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 Eric Guilliams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Joplin, MO 64804
- Reassigned Medicare billing, Missouri enrollment
- 427 clinicians in this Medicare group
Cassville, MO 65625
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1245277631 (Missouri)
- 1,487 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 21
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Springfield
Acute Care Hospitals · Springfield, MOFreeman Health System - Freeman West
Acute Care Hospitals · Joplin, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 64804 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
JOPLIN, MO 64804
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 Eric Guilliams's NPI number?
The NPI number for Eric Guilliams is 1013936749. It was assigned to this individual provider in the NPPES registry on July 19, 2006.
Where is Eric Guilliams located?
Eric Guilliams practices at 3401 Mcintosh Cir Ste 200, Joplin, MO 64804. The listed phone number is (417) 347-3703.
What is Eric Guilliams's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Eric Guilliams enrolled in Medicare?
Yes. Eric Guilliams 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 Eric Guilliams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Guilliams reassigns Medicare benefits to 2 organizations: Freeman-Oak Hill Health System (Joplin, MO) and Mercy Clinic Springfield Communities (Cassville, MO). 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 Eric Guilliams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eric Guilliams accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 3 other insurers list Eric Guilliams 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 Eric Guilliams affiliated with any hospitals?
According to CMS data, Eric Guilliams is affiliated with Mercy Hospital Springfield and Freeman Health System - Freeman West.
When was this NPI record last updated?
The NPPES record for Eric Guilliams was last updated on October 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.