DR. HILLIARD E SLAVICK MD
NPI 1215935523
Psychiatry & Neurology - Neurology in Chicago, IL

Active since July 11, 2005PECOS Enrolled
331 W SURF ST STE 6400, CHICAGO, IL 60657(312) 332-2226 Get Directions Write a Review

NPPES record last updated: March 26, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 26, 2021, May 11, 2018 (2 updates tracked since 2018).

About Dr. Hilliard E Slavick Md NPPES

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

DR. HILLIARD E SLAVICK MD (NPI 1215935523) is an individual neurology provider in Chicago, Illinois, licensed in Illinois (036050729) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1215935523
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. HILLIARD E SLAVICKCredential: MD
Location Address331 W SURF ST STE 6400Chicago, IL 60657-7227
Mailing Address331 W Surf St Ste 6400Chicago, IL 60657-7227 · (312) 332-2226
Sole ProprietorNo
Enumeration DateJuly 11, 2005
Last NPPES UpdateMarch 26, 20212 updates tracked since enumeration
NPPES CertifiedMarch 26, 2021
✔ NPI 1215935523 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in IL · 036050729
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
331 W SURF ST STE 6400, Chicago, IL 60657

Secondary Practice Location 1

Location 12900 N Lake Shore Dr Fl 2Chicago, IL 60657-5640 · Phone (773) 665-6500 · Fax (773) 665-3925

Other Identifiers 1

Medicaid036050729IL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Hilliard E Slavick 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 Hilliard Slavick reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cardiovascular Disease
3118 N ASHLAND AVE
Chicago, IL 60657
  • Reassigned Medicare billing, Illinois enrollment
  • 4,870 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60657 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 5

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

Physical Therapist
331 W SURF ST STE 6400
CHICAGO, IL 60657
Physician Assistant
331 W SURF ST STE 6400
CHICAGO, IL 60657
Physical Therapy Assistant
331 W SURF ST STE 6400
CHICAGO, IL 60657
Physical Therapist
331 W SURF ST STE 6400
CHICAGO, IL 60657
Physical Therapist
331 W SURF ST STE 6400
CHICAGO, IL 60657

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 Hilliard Slavick's NPI number?

The NPI number for Hilliard Slavick is 1215935523. It was assigned to this individual provider in the NPPES registry on July 11, 2005.

Where is Hilliard Slavick located?

Hilliard Slavick practices at 331 W Surf St Ste 6400, Chicago, IL 60657. The listed phone number is (312) 332-2226.

What is Hilliard Slavick's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Hilliard Slavick enrolled in Medicare?

Yes. Hilliard Slavick is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hilliard Slavick's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hilliard Slavick reassigns Medicare benefits to Advocate Health And Hospitals Corp. (Chicago, 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 Hilliard Slavick'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 Hilliard Slavick was last updated on March 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.