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GARETH T MILLER APRN
NPI 1831910751
Nurse Practitioner - Acute Care in Mattoon, IL

Active since October 23, 2024PECOS EnrolledAccepts Medicare Assignment
1004 HEALTH CENTER DR STE 100, MATTOON, IL 61938(217) 238-3435(217) 238-3492 Get Directions Write a Review

NPPES record last updated: February 26, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Gareth T Miller Aprn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GARETH T MILLER APRN (NPI 1831910751) is an individual acute care provider in Mattoon, Illinois, licensed in Illinois (209-030833) and active in the NPI registry since October 2024. He is enrolled in Medicare PECOS, is affiliated with Sarah Bush Lincoln Health Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1831910751
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameGARETH T MILLERCredential: APRN
Location Address1004 HEALTH CENTER DR STE 100Mattoon, IL 61938-4607
Mailing AddressPo Box 372Mattoon, IL 61938-0372
Phone(217) 238-3435
Fax(217) 238-3492
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateOctober 23, 2024
Last NPPES UpdateFebruary 26, 2025
NPPES CertifiedFebruary 26, 2025
✔ NPI 1831910751 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in IL · 209-030833
1004 HEALTH CENTER DR STE 100, Mattoon, IL 61938
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11303 W Evergreen Ave Ste 200Effingham, IL 62401-1638 · Phone (217) 342-3400 · Fax (217) 342-6417
Location 21000 Health Center DrMattoon, IL 61938-4644 · Phone (217) 238-4325 · Fax (217) 348-4290

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.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

Gareth T Miller Aprn 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.

PECOS PAC ID4183159031
PECOS Enrollment IDI20241202000953
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Gareth Miller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sarah Bush Lincoln Health Center
Same address
Family Medicine
1000 HEALTH CENTER DR
Mattoon, IL 61938
  • Reassigned Medicare billing, Illinois enrollment
  • 652 clinicians in this Medicare group
NPI 1568581379 (217) 258-2525

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

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sarah Bush Lincoln Health Center

Acute Care Hospitals · Mattoon, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140189
Location1000 Health Center Drive P O Box 372Mattoon, IL 61938 · Coles County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61938 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHARLES FRANCIS KIND JR. DPM
Podiatrist (Foot & Ankle Surgery)
1004 HEALTH CENTER DR STE 100
MATTOON, IL 61938
Coles County (217) 238-3435
ASHLEY ADAMS APRN
Nurse Practitioner (Family)
1004 HEALTH CENTER DR STE 100
MATTOON, IL 61938
Coles County (217) 238-3435
DR. JEREMY SHANE STEVENS M.D.
Orthopaedic Surgery
1004 HEALTH CENTER DR STE 100
MATTOON, IL 61938
Coles County (217) 238-3435
MICHELE K. HARTKE FNP, PMHNP
Nurse Practitioner (Family)
1004 HEALTH CENTER DR STE 100
MATTOON, IL 61938
Coles County (217) 238-3435
DR. LAUREN ALEXANDRA KIND DPM
Podiatrist
1004 HEALTH CENTER DR STE 100
MATTOON, IL 61938
Coles County (217) 238-3435
DR. ERIC M BREWER D.O.
Orthopaedic Surgery
1004 HEALTH CENTER DR STE 100
MATTOON, IL 61938
Coles County (217) 238-3435
QUINN EASTON CAMFIELD PA-C, RRT
Physician Assistant
1004 HEALTH CENTER DR STE 100
MATTOON, IL 61938
Coles County (217) 238-3435
SHELBI N BIRCH APRN
Nurse Practitioner (Family)
1004 HEALTH CENTER DR STE 100
MATTOON, IL 61938
Coles County (217) 238-3435

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 Gareth Miller's NPI number?

The NPI number for Gareth Miller is 1831910751. It was assigned to this individual provider in the NPPES registry on October 23, 2024.

Where is Gareth Miller located?

Gareth Miller practices at 1004 Health Center Dr Ste 100, Mattoon, IL 61938. The listed phone number is (217) 238-3435.

What is Gareth Miller's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Gareth Miller enrolled in Medicare?

Yes. Gareth Miller 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 Gareth Miller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gareth Miller reassigns Medicare benefits to Sarah Bush Lincoln Health Center (Mattoon, IL). 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 Gareth Miller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gareth Miller accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Gareth Miller 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 Gareth Miller affiliated with any hospitals?

According to CMS data, Gareth Miller is affiliated with Sarah Bush Lincoln Health Center.

When was this NPI record last updated?

The NPPES record for Gareth Miller was last updated on February 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.