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ALEXA CASTILLO M.ED
NPI 1699508036
Counselor - Mental Health in Chicago, IL

Active since August 21, 2024PECOS Enrolled
1011 W WELLINGTON AVE STE 210, CHICAGO, IL 60657(872) 328-7655(773) 423-8444 Get Directions Write a Review

NPPES record last updated: June 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Alexa Castillo M.ed NPPES

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

ALEXA CASTILLO M.ED (NPI 1699508036) is an individual mental health provider in Chicago, Illinois and active in the NPI registry since August 2024. She is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1699508036
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameALEXA CASTILLOCredential: M.ED
Location Address1011 W WELLINGTON AVE STE 210Chicago, IL 60657-7187
Mailing Address1011 W Wellington Ave Ste 210Chicago, IL 60657-7187 · (312) 384-1940 · Fax (773) 423-8444
Phone(872) 328-7655
Fax(773) 423-8444
Sole ProprietorYes
Enumeration DateAugust 21, 2024
Last NPPES UpdateJune 29, 2026
NPPES CertifiedJune 29, 2026
✔ NPI 1699508036 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
1011 W WELLINGTON AVE STE 210, Chicago, IL 60657
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Secondary Practice Location 1

Location 1747 N La Salle Dr Ste 700Chicago, IL 60654-5089 · Phone (872) 309-4445

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexa Castillo M.ed is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

Dr. David Rakofsky PC
Same address
Clinic/Center
1011 W WELLINGTON AVE STE 210
Chicago, IL 60657
  • Reassigned Medicare billing, Illinois enrollment
  • 14 clinicians in this Medicare group
NPI 1760663322 (312) 384-1940

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 19

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

JEFFREY SAMUELS
Social Worker (Clinical)
1011 W WELLINGTON AVE STE 210
CHICAGO, IL 60657
Cook County (312) 900-8642
PAWEL STOJEK
Marriage & Family Therapist
1011 W WELLINGTON AVE STE 210
CHICAGO, IL 60657
Cook County (312) 384-1940
DR. KARLIE MIRABELLI PHD, LCP
Psychologist (Clinical)
1011 W WELLINGTON AVE STE 210
CHICAGO, IL 60657
Cook County (312) 384-1940
DR. MICHAEL FEINSTEIN PSYD
Psychologist (Clinical)
1011 W WELLINGTON AVE STE 210
CHICAGO, IL 60657
Cook County (312) 384-1940
ASHLEY ELIZABETH HODGES LCSW
Social Worker (Clinical)
1011 W WELLINGTON AVE STE 210
CHICAGO, IL 60657
Cook County (312) 384-1940
SUSAN SILVER LCPC
Counselor (Professional)
1011 W WELLINGTON AVE STE 210
CHICAGO, IL 60657
Cook County (312) 384-1940
ALEXANDRA MILBOURN MA
Counselor (Professional)
1011 W WELLINGTON AVE STE 210
CHICAGO, IL 60657
Cook County (872) 328-7655
TAYLOR RIKE
Counselor (Professional)
1011 W WELLINGTON AVE STE 210
CHICAGO, IL 60657
Cook County (312) 384-1940

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 Alexa Castillo's NPI number?

The NPI number for Alexa Castillo is 1699508036. It was assigned to this individual provider in the NPPES registry on August 21, 2024.

Where is Alexa Castillo located?

Alexa Castillo practices at 1011 W Wellington Ave Ste 210, Chicago, IL 60657. The listed phone number is (872) 328-7655.

What is Alexa Castillo's specialty?

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

Is Alexa Castillo enrolled in Medicare?

Yes. Alexa Castillo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alexa Castillo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexa Castillo reassigns Medicare benefits to Dr. David Rakofsky 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 Alexa Castillo'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 Alexa Castillo was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.