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HAYLEY THEA SPARKS MD
NPI 1164887006
Pediatrics in Chicago, IL

Active since December 18, 2015PECOS Enrolled
2750 W NORTH AVE, CHICAGO, IL 60647(312) 666-3494 Get Directions Write a Review

NPPES record last updated: January 28, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jan 28, 2026, Dec 18, 2015 (2 updates tracked since 2015).

About Hayley Thea Sparks Md NPPES

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

HAYLEY THEA SPARKS MD (NPI 1164887006) is an individual pediatrics provider in Chicago, Illinois, licensed in Illinois (036.174050) and active in the NPI registry since December 2015. She is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (2019).

NPPES Registry Identity

NPI1164887006
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameHAYLEY THEA SPARKSCredential: MD
Location Address2750 W NORTH AVEChicago, IL 60647-5247
Mailing Address1810 N Fremont St Apt 12Chicago, IL 60614-5073 · (240) 997-5364
Phone(312) 666-3494
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2019
Enumeration DateDecember 18, 2015
Last NPPES UpdateJanuary 28, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 28, 2026
✔ NPI 1164887006 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in IL · 036.174050
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
2750 W NORTH AVE, Chicago, IL 60647
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hayley Thea Sparks Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5496137473
PECOS Enrollment IDI20260223001626
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 Reassignments

3

Medicare enrollment records show Hayley Sparks reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Erie Family Health Center Inc
25 mi
Federally Qualified Health Center (FQHC)
1504 S ALBANY
Chicago, IL 60623
  • Reassigned Medicare billing, Illinois enrollment
  • 383 clinicians in this Medicare group
NPI 1043407547 (312) 666-3494
Johns Hopkins University
591 mi
Neurological Surgery
8600 OLD GEORGETOWN RD
Bethesda, MD 20814
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group
NPI 1578569240 (410) 955-5000
Baltimore Medical Systems, Inc.
613 mi
Federally Qualified Health Center (FQHC)
5525 EASTERN AVE
Baltimore, MD 21224
  • Reassigned Medicare billing, Maryland enrollment
  • Medicare enrollment name: Baltimore Medical System, Inc.
  • 243 clinicians in this Medicare group
NPI 1164138152 (410) 558-4084

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 60647 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
$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.

SILVIA DIAZ LCSW
Social Worker (Clinical)
2750 W NORTH AVE
CHICAGO, IL 60647
Cook County (312) 666-3494
NIDA BAJWA
Family Medicine
2750 W NORTH AVE
CHICAGO, IL 60647
Cook County (312) 666-3494
DR. PREIYAA GOPINATH M.D.
Internal Medicine
2750 W NORTH AVE
CHICAGO, IL 60647
Cook County (312) 666-3494
CARLA MAYELA VILLARREAL
Family Medicine
2750 W NORTH AVE
CHICAGO, IL 60647
Cook County (312) 666-3494
TOBIAS HOLDEN
Student in an Organized Health Care Education/Training Program
2750 W NORTH AVE
CHICAGO, IL 60647
Cook County (312) 666-3494
AMARPREET EVEREST
Student in an Organized Health Care Education/Training Program
2750 W NORTH AVE
CHICAGO, IL 60647
Cook County (312) 666-3494
LYNNE MARIE CLAPMAN ANP
Nurse Practitioner (Family)
2750 W NORTH AVE
CHICAGO, IL 60647
Cook County (219) 775-0646
EZRA OTTO FNP-BC
Nurse Practitioner (Family)
2750 W NORTH AVE
CHICAGO, IL 60647
Cook County (312) 666-3494

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 Hayley Sparks's NPI number?

The NPI number for Hayley Sparks is 1164887006. It was assigned to this individual provider in the NPPES registry on December 18, 2015.

Where is Hayley Sparks located?

Hayley Sparks practices at 2750 W North Ave, Chicago, IL 60647. The listed phone number is (312) 666-3494.

What is Hayley Sparks's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Hayley Sparks enrolled in Medicare?

Yes. Hayley Sparks is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Hayley Sparks's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hayley Sparks reassigns Medicare benefits to 3 organizations: Erie Family Health Center Inc (Chicago, IL), Johns Hopkins University (Bethesda, MD) and Baltimore Medical Systems, Inc. (Baltimore, MD). Each 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 Hayley Sparks'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 Hayley Sparks was last updated on January 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.