DR. TYLER DONALD DEMERS PSY.D, LP
NPI 1386901247
Psychologist - Clinical in Elwood, IL

Q: What is Tyler Demers's NPI number?

The NPI number for Tyler Demers is 1386901247. It was assigned to this individual provider in the NPPES registry on April 17, 2012.

Q: What is Tyler Demers's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: Is Tyler Demers enrolled in Medicare?

No. Tyler Demers has opted out of Medicare through June 27, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for Tyler Demers was last updated on May 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 April 17, 2012Opted out of Medicare · through Jun 27, 2027

17154 W HOFF RD, ELWOOD, IL 60421(815) 478-4625(815) 478-7832 Get Directions Write a Review

NPPES record last updated: May 1, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 1, 2026, Apr 9, 2019, Feb 23, 2016 (3 updates tracked since 2016).

On this page

About Dr. Tyler Donald Demers Psy.d, Lp NPPES

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

DR. TYLER DONALD DEMERS PSY.D, LP (NPI 1386901247) is an individual clinical provider in Elwood, Illinois, licensed in Illinois (071.009989) and active in the NPI registry since April 2012. He has opted out of Medicare through June 27, 2027 and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1386901247

Entity TypeIndividualMale

Primary Taxonomy103TC0700X

Provider Legal NameDR. TYLER DONALD DEMERSCredential: PSY.D, LP

Location Address17154 W HOFF RDElwood, IL 60421-9440

Mailing Address345 Hale AveRomeoville, IL 60446-1707 · (251) 223-1509

Phone(815) 478-4625

Fax(815) 478-7832

Sole ProprietorYes

Enumeration DateApril 17, 2012

Last NPPES UpdateMay 1, 20263 updates tracked since enumeration

NPPES CertifiedMay 1, 2026

✔ NPI 1386901247 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in IL · 071.009989

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Also ListedPsychologistTaxonomy 103T00000X

Also ListedDevelopmental TherapistTaxonomy 222Q00000X

17154 W HOFF RD, Elwood, IL 60421

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Secondary Practice Locations 2

Location 11701 E Woodfield Rd Ste 330Schaumburg, IL 60173-5128 · Phone (847) 592-5588

Location 26161 N Winthrop Ave, Apt. 504Chicago, IL 60660-2683 · Phone (251) 223-1509

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Tyler Donald Demers Psy.d, Lp has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from June 27, 2023 through June 27, 2027.

Opt-Out Effective DateJune 27, 2023

Opt-Out In Effect ThroughJune 27, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 4

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

MICHAEL DAVID GERACI LCSW

Social Worker (Clinical)

17154 W HOFF RD
ELWOOD, IL 60421

Will County (815) 478-7625

ALEXANDRIA MCNITT MSW,LSW

Social Worker

17154 W HOFF RD
ELWOOD, IL 60421

Will County (815) 485-6197

TRINITY SERVICES INC.

Clinic/Center (Mental Health (Including Community Mental Health Center))

17154 W HOFF RD
ELWOOD, IL 60421

Will County (815) 478-7625

ASHLEY QUINLAN

Counselor (Mental Health)

17154 W HOFF RD
ELWOOD, IL 60421

Will County (708) 673-2428

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 Tyler Demers's NPI number?

The NPI number for Tyler Demers is 1386901247. It was assigned to this individual provider in the NPPES registry on April 17, 2012.

Where is Tyler Demers located?

Tyler Demers practices at 17154 W Hoff Rd, Elwood, IL 60421. The listed phone number is (815) 478-4625.

What is Tyler Demers's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Tyler Demers enrolled in Medicare?

No. Tyler Demers has opted out of Medicare through June 27, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Tyler Demers was last updated on May 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.