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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CORY R WILLIAMS NP
NPI 1770125908
Nurse Practitioner - Psychiatric/Mental Health in Chicago, IL

Active since October 09, 2019PECOS EnrolledAccepts Medicare Assignment
9415 S WESTERN AVE # 206, CHICAGO, IL 60643(844) 425-9777(844) 715-1618 Get Directions Write a Review

NPPES record last updated: August 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 13, 2026, Feb 26, 2020, Oct 9, 2019 (3 updates tracked since 2019).

About Cory R Williams Np NPPES

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

CORY R WILLIAMS NP (NPI 1770125908) is an individual psychiatric/mental health provider in Chicago, Illinois, licensed in Illinois (277002326) and active in the NPI registry since October 2019. He is enrolled in Medicare PECOS, is affiliated with Community Hospital, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1770125908
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameCORY R WILLIAMSCredential: NP
Location Address9415 S WESTERN AVE # 206Chicago, IL 60643-6700
Mailing Address900 W Sunset Dr Apt 613Glenwood, IL 60425-1159 · (708) 941-7448
Phone(844) 425-9777
Fax(844) 715-1618
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateOctober 9, 2019
Last NPPES UpdateAugust 13, 20263 updates tracked since enumeration
NPPES CertifiedAugust 13, 2026
✔ NPI 1770125908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in IL · 277002326
Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License 28231903A (IN)
9415 S WESTERN AVE # 206, Chicago, IL 60643
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Cory R Williams Np 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 ID4587092127
PECOS Enrollment IDI20200315000089, I20240401001128
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Community Hospital

Acute Care Hospitals · Munster, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150125
Location901 Macarthur BlvdMunster, IN 46321 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60643 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

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

BLYSSS BEHAVIORAL HEALTH, PLLC
Nurse Practitioner (Psychiatric/Mental Health)
9415 S WESTERN AVE # 206
CHICAGO, IL 60643
Cook County (708) 941-7448

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 Cory Williams's NPI number?

The NPI number for Cory Williams is 1770125908. It was assigned to this individual provider in the NPPES registry on October 9, 2019.

Where is Cory Williams located?

Cory Williams practices at 9415 S Western Ave # 206, Chicago, IL 60643. The listed phone number is (844) 425-9777.

What is Cory Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Cory Williams enrolled in Medicare?

Yes. Cory Williams 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.

What insurance does Cory Williams accept?

Health plans from Anthem Blue Cross and Blue Shield and CareSource list Cory Williams 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.

Is Cory Williams affiliated with any hospitals?

According to CMS data, Cory Williams is affiliated with Community Hospital.

When was this NPI record last updated?

The NPPES record for Cory Williams was last updated on August 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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.