1. Home
  2. Directory
  3. Illinois
  4. Chicago
  5. Counselor
  6. NPI Profile

DR. DARLENE ALLEN NICHOLS LCPC, NCC, PHD
NPI 1447999016
Counselor - Mental Health in Chicago, IL

Active since June 01, 2022PECOS EnrolledAccepts Medicare Assignment
11848 S WESTERN AVE, CHICAGO, IL 60643(773) 366-3437 Get Directions Write a Review

NPPES record last updated: January 15, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 15, 2026, Dec 5, 2023 (2 updates tracked since 2023).

About Dr. Darlene Allen Nichols Lcpc, Ncc, Phd NPPES

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

DR. DARLENE ALLEN NICHOLS LCPC, NCC, PHD (NPI 1447999016) is an individual mental health provider in Chicago, Illinois, licensed in Illinois (180017416) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1447999016
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameDR. DARLENE ALLEN NICHOLSCredential: LCPC, NCC, PHD
Location Address11848 S WESTERN AVEChicago, IL 60643-4734
Mailing Address11848 S Western AveChicago, IL 60643-4734 · (773) 366-3437
Phone(773) 366-3437
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateJune 1, 2022
Last NPPES UpdateJanuary 15, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 15, 2026
✔ NPI 1447999016 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in IL · 180017416
Also ListedCounselor · PastoralTaxonomy 101YP1600X
11848 S WESTERN AVE, Chicago, IL 60643
Open in Google Maps ↗

Other Names 1

Professional Name (2)Dr. Darlene Allen Nichols Lcpc, Ncc, Phd

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include MercyCare, MercyCare Health Plans, 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

Dr. Darlene Allen Nichols Lcpc, Ncc, Phd 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 ID547762114
PECOS Enrollment IDI20250904001956
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 Darlene Allen Nichols reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rockford Psychiatric Medical Services, S.C.
81 mi
Psychiatry
1639 N ALPINE RD STE 260
Rockford, IL 61107
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Rockford Psychiatric Medical Services Sc
  • 163 clinicians in this Medicare group
NPI 1821391442 (815) 395-1500

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 7

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

DR. VALENTINA MARIE PACHECO-CORNEJO PSY.D.
Psychologist (Clinical)
11848 S WESTERN AVE
CHICAGO, IL 60643
Cook County (773) 431-0486
DR. VALENTINA, LLC
Clinic/Center (Adult Mental Health)
11848 S WESTERN AVE
CHICAGO, IL 60643
Cook County (773) 431-0486
TEIARA GRANT
Counselor (Mental Health)
11848 S WESTERN AVE
CHICAGO, IL 60643
Cook County (773) 431-0486
DR. VALENTINA, LLC
Psychologist (Clinical)
11848 S WESTERN AVE
CHICAGO, IL 60643
Cook County (773) 431-0486
DAN CARE CENTER
Counselor (Mental Health)
11848 S WESTERN AVE
CHICAGO, IL 60643
Cook County (773) 366-3437
OPEYEMI A ADETUNJI
Social Worker (Clinical)
11848 S WESTERN AVE
CHICAGO, IL 60643
Cook County (773) 609-3028
THE CULTURE INSTITUTE FOR COUNSELING AND DEVELOPMENT, LLC
Counselor (Professional)
11848 S WESTERN AVE
CHICAGO, IL 60643
Cook County (312) 724-6497

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 Darlene Allen Nichols's NPI number?

The NPI number for Darlene Allen Nichols is 1447999016. It was assigned to this individual provider in the NPPES registry on June 1, 2022. The provider is also known as Dr. Darlene Allen Nichols Lcpc, Ncc, Phd.

Where is Darlene Allen Nichols located?

Darlene Allen Nichols practices at 11848 S Western Ave, Chicago, IL 60643. The listed phone number is (773) 366-3437.

What is Darlene Allen Nichols's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Darlene Allen Nichols enrolled in Medicare?

Yes. Darlene Allen Nichols 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 Darlene Allen Nichols's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Darlene Allen Nichols reassigns Medicare benefits to Rockford Psychiatric Medical Services, S.C. (Rockford, 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 Darlene Allen Nichols's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Darlene Allen Nichols accept?

Health plans from MercyCare, MercyCare Health Plans, Oscar Health, Quartz and UnitedHealthcare list Darlene Allen Nichols 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 Darlene Allen Nichols was last updated on January 15, 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.