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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.

DR. LOUIS NIKOLIS MD
NPI 1972133080
Orthopaedic Surgery in Chicago, IL

Active since January 17, 2020PECOS Enrolled
259 E ERIE ST FL 13, CHICAGO, IL 60611(312) 695-6800(312) 472-4872 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 29, 2026, Sep 22, 2026, Jan 17, 2020 (3 updates tracked since 2020).

About Dr. Louis Nikolis Md NPPES

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

DR. LOUIS NIKOLIS MD (NPI 1972133080) is an individual orthopaedic surgery provider in Chicago, Illinois, licensed in Illinois (036181467) and active in the NPI registry since January 2020. He is enrolled in Medicare PECOS and maintains a secondary practice location in Sacramento.

NPPES Registry Identity

NPI1972133080
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. LOUIS NIKOLISCredential: MD
Location Address259 E ERIE ST FL 13Chicago, IL 60611-3926
Mailing Address259 E Erie St Fl 13Chicago, IL 60611-3926 · (312) 695-6800 · Fax (312) 472-4872
Phone(312) 695-6800
Fax(312) 472-4872
Sole ProprietorNo
Enumeration DateJanuary 17, 2020
Last NPPES UpdateSeptember 29, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2026
✔ NPI 1972133080 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in IL · 036181467
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Also ListedPain Medicine · Pain MedicineTaxonomy 208VP0000X · License A201329 (CA)
259 E ERIE ST FL 13, Chicago, IL 60611
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Secondary Practice Location 1

Location 14860 Y St Ste 3020Sacramento, CA 95817-2307 · Phone (916) 734-6688

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Louis Nikolis 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
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.

JEREMY LARVA PA-C
Physician Assistant
259 E ERIE ST FL 13
CHICAGO, IL 60611
Cook County (312) 695-6800
DR. ANDREA J NIKOLIS MD
Physical Medicine & Rehabilitation (Pain Medicine)
259 E ERIE ST FL 13
CHICAGO, IL 60611
Cook County (312) 695-6800
KATHERINE S MCCROSSEN
Physician Assistant
259 E ERIE ST FL 13
CHICAGO, IL 60611
Cook County (312) 695-6800
GUIDO MARRA MD
Orthopaedic Surgery
259 E ERIE ST FL 13
CHICAGO, IL 60611
Cook County (312) 695-6800
MICHAEL D STOVER MD
Orthopaedic Surgery
259 E ERIE ST FL 13
CHICAGO, IL 60611
Cook County (312) 695-6800
MR. JOSEPH THOMAS BOUTET PA-C
Physician Assistant
259 E ERIE ST FL 13
CHICAGO, IL 60611
Cook County (312) 695-6800
DR. STACEY L OAKS DPM
Podiatrist
259 E ERIE ST FL 13
CHICAGO, IL 60611
Cook County (312) 695-6800
TARA KENNEDY DUFFY PA
Physician Assistant
259 E ERIE ST FL 13
CHICAGO, IL 60611
Cook County (312) 695-6800

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 Louis Nikolis's NPI number?

The NPI number for Louis Nikolis is 1972133080. It was assigned to this individual provider in the NPPES registry on January 17, 2020.

Where is Louis Nikolis located?

Louis Nikolis practices at 259 E Erie St Fl 13, Chicago, IL 60611. The listed phone number is (312) 695-6800.

What is Louis Nikolis's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Louis Nikolis enrolled in Medicare?

Yes. Louis Nikolis is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Louis Nikolis 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 22 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.