DR. LYDIA A WARDIN PSYD
NPI 1255853073
Clinical Neuropsychologist in Chicago, IL

Q: What is Lydia Wardin's NPI number?

The NPI number for Lydia Wardin is 1255853073. It was assigned to this individual provider in the NPPES registry on July 13, 2017.

Q: What is Lydia Wardin's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Q: When was this NPI record last updated?

The NPPES record for Lydia Wardin was last updated on April 4, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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 July 13, 2017PECOS EnrolledAccepts Medicare Assignment

6033 N SHERIDAN RD STE S7, CHICAGO, IL 60660(855) 264-9355(877) 259-2359 Get Directions Write a Review

NPPES record last updated: April 4, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 22, 2018, Sep 22, 2017, Jul 13, 2017 (3 updates tracked since 2017).

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About Dr. Lydia A Wardin Psyd NPPES

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

DR. LYDIA A WARDIN PSYD (NPI 1255853073) is an individual clinical neuropsychologist in Chicago, Illinois, licensed in Illinois (071009599) and active in the NPI registry since July 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Evanston, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1255853073

Entity TypeIndividualFemale

Primary Taxonomy103G00000X

Provider Legal NameDR. LYDIA A WARDINCredential: PSYD

Location Address6033 N SHERIDAN RD STE S7Chicago, IL 60660-3013

Mailing Address6033 N Sheridan Rd Ste S7Chicago, IL 60660-3013 · (855) 264-9355 · Fax (877) 259-2359

Phone(855) 264-9355

Fax(877) 259-2359

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateJuly 13, 2017

Last NPPES UpdateApril 4, 20183 updates tracked since enumeration

✔ NPI 1255853073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers

Taxonomy Code103G00000X

License✔ Licensed in IL · 071009599

Definition

A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

6033 N SHERIDAN RD STE S7, Chicago, IL 60660

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Secondary Practice Location 1

Location 11601 Sherman AveEvanston, IL 60201-5038 · Phone (855) 264-9355

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

Dr. Lydia A Wardin Psyd 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 ID749541852

PECOS Enrollment IDI20180307000686

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 Lydia Wardin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sherrie D All, Phd, PC

7.7 mi

Clinical Neuropsychologist

30 N MICHIGAN AVE STE 2029
Chicago, IL 60602

Reassigned Medicare billing, Illinois enrollment
12 clinicians in this Medicare group

NPI 1164776175 (855) 264-9355

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

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 Lydia Wardin's NPI number?

The NPI number for Lydia Wardin is 1255853073. It was assigned to this individual provider in the NPPES registry on July 13, 2017.

Where is Lydia Wardin located?

Lydia Wardin practices at 6033 N Sheridan Rd Ste S7, Chicago, IL 60660. The listed phone number is (855) 264-9355.

What is Lydia Wardin's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is Lydia Wardin enrolled in Medicare?

Yes. Lydia Wardin 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 Lydia Wardin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lydia Wardin reassigns Medicare benefits to Sherrie D All, Phd, PC (Chicago, 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 Lydia Wardin'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 Lydia Wardin was last updated on April 4, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.