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NPISignal

Individual Healthcare Provider

Izayadeth Aguayo Jennings, M.D.

NPI Record: ActiveInternal Medicine — Sleep Medicine
NPI1205285996
Lisle, Illinois

Provider's NPPES record last updated: May 21, 2026

Overview

Entity Type
Individual Healthcare Provider
NPI
1205285996
Primary Specialty
Internal Medicine — Sleep Medicine
Practice Location
Lisle, Illinois
Sole Proprietor
Yes

Federal Screening

NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.

List of Excluded Individuals/Entities (LEIE)

HHS Office of Inspector General

No potential match identified

No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.

Source data
September 10, 2026
Records indexed
84,001
Screened
Sep 21, 2026, 3:50 AM UTC

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

SAM.gov Exclusions

U.S. General Services Administration

Not checked

SAM.gov Exclusions was not checked.

SAM.gov screening is not configured on this deployment. No SAM check has been performed.

Screened
Not checked

This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

Run a name-based screening

Searches OIG LEIE and SAM.gov by name and reviews every potential match.

Specialties & Taxonomies

  • Internal Medicine

    Sleep Medicine

    Allopathic & Osteopathic Physicians

    Primary

    An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

    Taxonomy code 207RS0012X
  • Student in an Organized Health Care Education/Training Program

    Student, Health Care

    An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

    Taxonomy code 390200000X
  • Internal Medicine

    Allopathic & Osteopathic Physicians

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Taxonomy code 207R00000X

Provider-Reported License Information

Internal Medicine (Illinois)
036176313
Internal Medicine (Texas)
W0424
Internal Medicine (Oklahoma)
46392
Internal Medicine (Arizona)
58377
License numbers are reported by the provider to NPPES and are not independently verified by NPISignal against any state licensing board. Confirm current license status directly with the issuing state board.

Practice Locations

Practice Location

3030 Warrenville Rd Ste 210

Lisle, Illinois 60532-3646

Phone: (872) 215-0361

Additional Practice Location

202 W Medical Center Blvd

Webster, Texas 77598-4214

Phone: (872) 215-0361

Additional Practice Location

1583 E Common St Ste 205

New Braunfels, Texas 78130-3174

Phone: (872) 215-0361

Additional Practice Location

5901 Old Fredericksburg Rd Ste D102

Austin, Texas 78749-1210

Phone: (872) 215-0361

Additional Practice Location

6426 Meadowbrook Dr

Fort Worth, Texas 76112-5123

Phone: (872) 215-0361

Additional Practice Location

601 Sunland Park Dr Ste 2

El Paso, Texas 79912-5229

Phone: (872) 215-0361

Additional Practice Location

4101 W State Highway 29

Georgetown, Texas 78628-7022

Phone: (872) 215-0361

Additional Practice Location

255 E Sonterra Blvd Ste 150

San Antonio, Texas 78258-4081

Phone: (872) 215-0361

Additional Practice Location

13920 Ronald W Reagan Blvd Ste 210

Cedar Park, Texas 78641-1002

Phone: (872) 215-0361

Additional Practice Location

1111 E Mcdowell Rd

Phoenix, Arizona 85006-2612

Phone: (602) 839-2000

Additional Practice Location

1900 N Higley Rd

Gilbert, Arizona 85234-1604

Phone: (480) 543-2034

Additional Practice Location

3030 Warrenville Rd Ste 210

Lisle, Illinois 60532-3646

Phone: (872) 215-0361

Additional Practice Location

6868 San Pedro Ave

San Antonio, Texas 78216-7201

Phone: (872) 215-0361

Additional Practice Location

1400 W 47th St Ste 7

La Grange, Illinois 60525-6148

Phone: (872) 215-0361

Additional Practice Location

4200 W Memorial Rd Ste 805

Oklahoma City, Oklahoma 73120-8359

Phone: (872) 215-0361

Additional Practice Location

1225 Carlisle St Ste 1b

Hanover, Pennsylvania 17331-1207

Phone: (872) 215-0361

Additional Practice Location

7100 Fort Dent Way Ste 270

Tukwila, Washington 98188-7501

Phone: (872) 215-0361

Additional Practice Location

233 E Erie St # 460

Chicago, Illinois 60611-2926

Phone: (872) 215-0361

Additional Practice Location

9535 W 144th Pl

Orland Park, Illinois 60462-9503

Phone: (872) 215-0361

Additional Practice Location

1960 N Lincoln Park W Ste 2

Chicago, Illinois 60614-5456

Phone: (872) 215-0361

Additional Practice Location

1411 Mchenry Rd Ste 127

Buffalo Grove, Illinois 60089-1386

Phone: (872) 215-0361

Additional Practice Location

6305 W 95th St

Oak Lawn, Illinois 60453-2255

Phone: (872) 215-0361

Additional Practice Location

1000 Grand Canyon Pkwy

Hoffman Estates, Illinois 60169-1705

Phone: (872) 215-0361

Additional Practice Location

1 Limbo Ln

Amherst, New Hampshire 03031-1871

Phone: (872) 215-0361

Additional Practice Location

7645 Gate Pkwy Ste 103

Jacksonville, Florida 32256-2890

Phone: (872) 215-0361

Record Information

Enumeration Date
June 3, 2016
Provider's NPPES Record Last Updated
May 21, 2026
Certification Date
May 21, 2026
NPISignal NPPES Dataset
August 2026

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