NICOLAS VALLENAS
NPI 1467255919
Psychiatry & Neurology - Neurology in Chicago, IL

Q: What is Nicolas Vallenas's NPI number?

The NPI number for Nicolas Vallenas is 1467255919. It was assigned to this individual provider in the NPPES registry on March 31, 2025.

Q: What is Nicolas Vallenas's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Nicolas Vallenas was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since March 31, 2025PECOS Enrolled

251 E HURON ST, CHICAGO, IL 60611(312) 926-2000 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Nicolas Vallenas NPPES

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

NICOLAS VALLENAS (NPI 1467255919) is an individual neurology provider in Chicago, Illinois, licensed in Illinois (125087686) and active in the NPI registry since March 2025. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1467255919

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameNICOLAS VALLENAS

Location Address251 E HURON STChicago, IL 60611-2908

Mailing Address251 E Huron StChicago, IL 60611-2908 · (312) 926-2000

Phone(312) 926-2000

Sole ProprietorYes

Enumeration DateMarch 31, 2025

Last NPPES UpdateJune 23, 2026

NPPES CertifiedJune 23, 2026

✔ NPI 1467255919 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 · 125087686

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.

251 E HURON ST, Chicago, IL 60611

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nicolas Vallenas 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

$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.

MARK WANG M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

251 E HURON ST, FEINBERG PAVILION
CHICAGO, IL 60611

Cook County (312) 503-8144

DR. MARLEY ANN DOYLE M/D.

Psychiatry & Neurology (Psychiatry)

251 E HURON ST, GALTER 3-150, C
CHICAGO, IL 60611

Cook County (312) 926-6895

CASSIDY SCHWAB MD

Anesthesiology