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LYNSEY LATTYAK LCPC
NPI 1003556416
Counselor - Professional in Woodridge, IL

Active since April 01, 2022PECOS EnrolledAccepts Medicare Assignment
3329 75TH ST., 2ND FL., WOODRIDGE, IL 60517(630) 964-9400(630) 964-9375 Get Directions Write a Review

NPPES record last updated: November 14, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 14, 2025, Jul 12, 2022 (2 updates tracked since 2022).

About Lynsey Lattyak Lcpc NPPES

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

LYNSEY LATTYAK LCPC (NPI 1003556416) is an individual professional provider in Woodridge, Illinois, licensed in Illinois (180016985) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1003556416
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameLYNSEY LATTYAKCredential: LCPC
Location Address3329 75TH ST., 2ND FL.Woodridge, IL 60517-2700
Mailing Address13955 W Grenelefe LnHomer Glen, IL 60491-5923
Phone(630) 964-9400
Fax(630) 964-9375
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateApril 1, 2022
Last NPPES UpdateNovember 14, 20252 updates tracked since enumeration
NPPES CertifiedNovember 14, 2025
✔ NPI 1003556416 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in IL · 180016985
Also ListedCounselorTaxonomy 101Y00000X · License 178016352 (IL)
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 178016352 (IL)
3329 75TH ST., Woodridge, IL 60517
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lynsey Lattyak Lcpc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6002308152
PECOS Enrollment IDI20251125003464
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 Reassignment

Medicare enrollment records show Lynsey Lattyak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Endeavor Health Medical Group
29 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 2

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

SARAH JAHNS KIDDER DO
Family Medicine
3329 75TH ST., SUITE 202
WOODRIDGE, IL 60517
Dupage County (630) 646-6750
DR. ZAHAB SHAHID AHSAN MD
Orthopaedic Surgery (Sports Medicine)
3329 75TH ST., 1ST FL
WOODRIDGE, IL 60517
Dupage County (630) 646-7000

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 Lynsey Lattyak's NPI number?

The NPI number for Lynsey Lattyak is 1003556416. It was assigned to this individual provider in the NPPES registry on April 1, 2022.

Where is Lynsey Lattyak located?

Lynsey Lattyak practices at 3329 75th St. 2nd Fl., Woodridge, IL 60517. The listed phone number is (630) 964-9400.

What is Lynsey Lattyak's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Lynsey Lattyak enrolled in Medicare?

Yes. Lynsey Lattyak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Lynsey Lattyak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lynsey Lattyak reassigns Medicare benefits to Endeavor Health Medical Group (Evanston, IL). The 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 Lynsey Lattyak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lynsey Lattyak accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Oscar Health and UnitedHealthcare list Lynsey Lattyak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Lynsey Lattyak was last updated on November 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.