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WILLIAM ARNOLD MD
NPI 1457305823
Internal Medicine - Rheumatology in Skokie, IL

Active since May 20, 2006PECOS Enrolled
4709 GOLF RD, SUITE 1200, SKOKIE, IL 60076(847) 869-7233(847) 869-9461 Get Directions Write a Review

NPPES record last updated: July 2, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About William Arnold Md NPPES

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

WILLIAM ARNOLD MD (NPI 1457305823) is an individual rheumatology provider in Skokie, Illinois, licensed in Illinois (036-043731) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457305823
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameWILLIAM ARNOLDCredential: MD
Location Address4709 GOLF RD, SUITE 1200Skokie, IL 60076-1231
Mailing Address4709 Golf Rd, Suite 1200 Attn: Rachel AbonceSkokie, IL 60076-1231 · (847) 869-7233 · Fax (847) 869-9461
Phone(847) 869-7233
Fax(847) 869-9461
Sole ProprietorNo
Enumeration DateMay 20, 2006
Last NPPES UpdateJuly 2, 2014
✔ NPI 1457305823 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in IL · 036-043731
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
4709 GOLF RD, Skokie, IL 60076
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Other Identifiers 4

Medicare PINF400100593IL
Medicare UPIND13041IL
Medicare PINK31598IL
Medicaid036-043731IL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Arnold Md 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 William Arnold reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Orthopaedics & Rheumatology Of The North Shore Sc
Same address
Multi-Specialty
4709 GOLF RD STE 300
Skokie, IL 60076
  • Reassigned Medicare billing, Illinois enrollment
  • 8 clinicians in this Medicare group
NPI 1619032109 (847) 869-7233

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 60076 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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 20

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

BJG MD SC
Eyewear Supplier
4709 GOLF RD, SUITE 107
SKOKIE, IL 60076
Cook County (847) 675-5775
EVANSTON OPHTHALMOLOGISTS, S.C.
Ophthalmology
4709 GOLF RD, TWELFTH FLOOR
SKOKIE, IL 60076
Cook County (847) 328-2020
DR. ERIN ARNOLD MD
Internal Medicine (Rheumatology)
4709 GOLF RD, SUITE 1200
SKOKIE, IL 60076
Cook County (847) 869-7233
BETH FUNK, PSY.D, PLLC
Psychologist (Clinical)
4709 GOLF RD, STE 1150
SKOKIE, IL 60076
Cook County (773) 234-2488
DR. BETH FUNK PSY.D.
Psychologist (Clinical)
4709 GOLF RD, SUITE 1150
SKOKIE, IL 60076
Cook County (773) 234-2488
ROBERT A HOZMAN MD SC
Internal Medicine (Rheumatology)
4709 GOLF RD, SUITE 111
SKOKIE, IL 60076
Cook County (847) 673-8470
DR. MICHELLE DONIECE MORRONE-KUBES PSY.D.
Psychologist
4709 GOLF RD
SKOKIE, IL 60076
Cook County (312) 213-8802
DR. HARRY M GOLDIN M.D.
Specialist
4709 GOLF RD, 1000
SKOKIE, IL 60076
Cook County (847) 677-2080

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 Arnold's NPI number?

The NPI number for William Arnold is 1457305823. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Where is William Arnold located?

William Arnold practices at 4709 Golf Rd Suite 1200, Skokie, IL 60076. The listed phone number is (847) 869-7233.

What is William Arnold's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is William Arnold enrolled in Medicare?

Yes. William Arnold is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Arnold's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Arnold reassigns Medicare benefits to Orthopaedics & Rheumatology Of The North Shore Sc (Skokie, 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 William Arnold'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 William Arnold was last updated on July 2, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.