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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.

ALLISON MILEWSKY
NPI 1811615628
Marriage & Family Therapist in Chicago, IL

Active since August 17, 2022PECOS Enrolled
155 N MICHIGAN AVE STE 707, CHICAGO, IL 60601(738) 131-2819 Get Directions Write a Review

NPPES record last updated: September 24, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 24, 2026, Aug 22, 2022, Aug 17, 2022 (3 updates tracked since 2022).

About Allison Milewsky NPPES

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

ALLISON MILEWSKY (NPI 1811615628) is an individual marriage & family therapist in Chicago, Illinois and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1811615628
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameALLISON MILEWSKY
Location Address155 N MICHIGAN AVE STE 707Chicago, IL 60601-7706
Mailing Address155 N Michigan Ave Ste 707Chicago, IL 60601-7706 · (312) 819-7381
Phone(738) 131-2819
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateAugust 17, 2022
Last NPPES UpdateSeptember 24, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 24, 2026
✔ NPI 1811615628 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
155 N MICHIGAN AVE STE 707, Chicago, IL 60601
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11811 W North Ave Ste 402Chicago, IL 60622-0204 · Phone (312) 819-7381
Location 23047 N Lincoln AveChicago, IL 60657-4999 · Phone (312) 819-7381

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allison Milewsky is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID840776597
PECOS Enrollment IDI20260113000010
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 Allison Milewsky reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sage Therapy Chicago, PLLC
Same address
Professional
155 N MICHIGAN AVE STE 201
Chicago, IL 60601
  • Reassigned Medicare billing, Illinois enrollment
  • 39 clinicians in this Medicare group
NPI 1376154302 (312) 819-7381

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 20

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

BENEDETTA ROSSI LCPC
Counselor (Mental Health)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Cook County (312) 600-8310
HALLIE FOSTER
Social Worker (Clinical)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Cook County (312) 819-7381
NAJAH BUCK
Counselor (Professional)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Cook County (312) 819-7381
ALMA NAVARRO LPC
Counselor (Professional)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Cook County (312) 819-7381
ALYSSA NICOLE MEIXELSPERGER LCSW, CADC
Social Worker (Clinical)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Cook County (312) 870-0010
MARIBETH GOMEZ GERMINO LCPC
Counselor (Professional)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Cook County (312) 819-7381
JAMES CHAMERLIK LCSW
Social Worker (Clinical)
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Cook County (312) 819-7381
JESSICA M MARCANO ALMFT
Marriage & Family Therapist
155 N MICHIGAN AVE STE 707
CHICAGO, IL 60601
Cook County (312) 819-7381

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 Allison Milewsky's NPI number?

The NPI number for Allison Milewsky is 1811615628. It was assigned to this individual provider in the NPPES registry on August 17, 2022.

Where is Allison Milewsky located?

Allison Milewsky practices at 155 N Michigan Ave Ste 707, Chicago, IL 60601. The listed phone number is (738) 131-2819.

What is Allison Milewsky's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is Allison Milewsky enrolled in Medicare?

Yes. Allison Milewsky is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Allison Milewsky's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allison Milewsky reassigns Medicare benefits to Sage Therapy Chicago, PLLC (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 Allison Milewsky's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Allison Milewsky accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Allison Milewsky 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 Allison Milewsky was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 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.