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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MAXIMILIAN BUTTON FNP
NPI 1104234053
Nurse Practitioner - Family in Rockford, IL

Active since July 23, 2014PECOS Enrolled
70.99/100
CMS Quality Rating
5875 E RIVERSIDE BLVD, ROCKFORD, IL 61114(815) 398-9491(815) 381-7498 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 29, 2026, Feb 5, 2020 (2 updates tracked since 2020).

About Maximilian Button Fnp NPPES

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

MAXIMILIAN BUTTON FNP (NPI 1104234053) is an individual family provider in Rockford, Illinois, licensed in Illinois (209-011828) and active in the NPI registry since July 2014. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1104234053
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameMAXIMILIAN BUTTONCredential: FNP
Location Address5875 E RIVERSIDE BLVDRockford, IL 61114-4937
Mailing AddressBox 78534Milwaukee, WI 53278 · (815) 398-9491 · Fax (815) 381-7498
Phone(815) 398-9491
Fax(815) 381-7498
Sole ProprietorNo
Enumeration DateJuly 23, 2014
Last NPPES UpdateSeptember 29, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2020
✔ NPI 1104234053 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in IL · 209-011828
Also ListedRegistered NurseTaxonomy 163W00000X · License 041-384463 (IL)
5875 E RIVERSIDE BLVD, Rockford, IL 61114
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maximilian Button Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Maximilian Button reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Orthomidwest, PLLC
3.5 mi
Orthopaedic Surgery
324 ROXBURY RD
Rockford, IL 61107
  • Reassigned Medicare billing, Illinois enrollment
  • 562 clinicians in this Medicare group
NPI 1730136474 (815) 398-9491

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61114 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.

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.

70.99/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality61
Promoting Interoperability74
Improvement Activities40
Cost63.98

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.

DR. LIZA A DAFCHAHI SHIRANI MD
Anesthesiology
5875 E RIVERSIDE BLVD
ROCKFORD, IL 61114
Winnebago County (815) 398-9491
MARIOLA U GRZESZCZYK APRN
Nurse Practitioner
5875 E RIVERSIDE BLVD
ROCKFORD, IL 61114
Winnebago County (815) 398-9491
DR. WILLIAM B WEEMS MD
Anesthesiology
5875 E RIVERSIDE BLVD
ROCKFORD, IL 61114
Winnebago County (815) 398-9491
DR. DOUGLAS JOSEPH PACACCIO DPM
Podiatrist (Foot & Ankle Surgery)
5875 E RIVERSIDE BLVD
ROCKFORD, IL 61114
Winnebago County (815) 398-9491
AMANDA L FOIT NP
Nurse Practitioner
5875 E RIVERSIDE BLVD
ROCKFORD, IL 61114
Winnebago County (815) 398-9491
RYAN C ENKE M.D.
Physical Medicine & Rehabilitation
5875 E RIVERSIDE BLVD
ROCKFORD, IL 61114
Winnebago County (815) 398-9491
DR. VISHRUT P. NAIK MD
Anesthesiology (Pain Medicine)
5875 E RIVERSIDE BLVD
ROCKFORD, IL 61114
Winnebago County (815) 398-9491
ADAM SOLIMAN DO
Anesthesiology
5875 E RIVERSIDE BLVD
ROCKFORD, IL 61114
Winnebago County (815) 398-9491

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 Maximilian Button's NPI number?

The NPI number for Maximilian Button is 1104234053. It was assigned to this individual provider in the NPPES registry on July 23, 2014.

Where is Maximilian Button located?

Maximilian Button practices at 5875 E Riverside Blvd, Rockford, IL 61114. The listed phone number is (815) 398-9491.

What is Maximilian Button's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Maximilian Button enrolled in Medicare?

Yes. Maximilian Button is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Maximilian Button's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maximilian Button reassigns Medicare benefits to Orthomidwest, PLLC (Rockford, 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 Maximilian Button's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Maximilian Button was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.