NATHAN SCHLESSINGER,M.D.,S.C.
NPI 1164432332
Clinic/Center - Medical Specialty in Chicago, IL

Q: What is Nathan Schlessinger,m.D.,s.C.'s NPI number?

The NPI number for Nathan Schlessinger,m.D.,s.C. is 1164432332. It was assigned to this organization in the NPPES registry on August 9, 2006.

Q: What is Nathan Schlessinger,m.D.,s.C.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Medical Specialty, with taxonomy code 261QM2500X.

Active since August 09, 2006

333 N MICHIGAN AVE, SUITE 2021, CHICAGO, IL 60601(312) 781-0181(312) 781-0180 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 04, 2026.

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About Nathan Schlessinger,m.d.,s.c. NPPES

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

NATHAN SCHLESSINGER,M.D.,S.C. (NPI 1164432332) is a healthcare organization registered as a medical specialty in Chicago, Illinois and active in the NPI registry since August 2006. The organization lists Nathan None Schlessinger, President, as its authorized official.

NPPES Registry Identity

NPI1164432332

Entity TypeOrganization

Primary Taxonomy261QM2500X

Legal Business NameNATHAN SCHLESSINGER,M.D.,S.C.

Location Address333 N MICHIGAN AVE, SUITE 2021Chicago, IL 60601-3901

Mailing Address333 N Michigan Ave, Suite 2021Chicago, IL 60601-3901 · (312) 781-0181 · Fax (312) 781-0180

Phone(312) 781-0181

Fax(312) 781-0180

Organization SubpartNo

Authorized OfficialNathan None SchlessingerPresident · (312) 781-0181

Enumeration DateAugust 9, 2006

Last NPPES UpdateAugust 22, 2020

✔ NPI 1164432332 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Medical SpecialtyAmbulatory Health Care Facilities

Taxonomy Code261QM2500X

Definition

An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).

333 N MICHIGAN AVE, Chicago, IL 60601

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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.

MS. AVIVA CAHN LCSW

Social Worker (Clinical)

333 N MICHIGAN AVE, SUITE 1801
CHICAGO, IL 60601

Cook County (773) 301-8576

KRISTIN CONLON

Psychologist (Clinical)

333 N MICHIGAN AVE
CHICAGO, IL 60601

Cook County (847) 759-9110

STEVEN ZUCKERMAN PH.D.

Marriage & Family Therapist

333 N MICHIGAN AVE, STE. #1801
CHICAGO, IL 60601

Cook County (847) 853-8639

LAUREN ELIZABETH NICKERSON MS, RD, LDN

Dietitian, Registered

333 N MICHIGAN AVE, SUITE 1900
CHICAGO, IL 60601

Cook County (312) 540-9955

HEATHER N.MCCOMBS, DPM,LLC

Podiatrist

333 N MICHIGAN AVE, SUITE 932
CHICAGO, IL 60601

Cook County (773) 883-1220

DR. KELLY JANE BALK PSY.D., L.P.

Psychologist (Clinical)

333 N MICHIGAN AVE, SUITE 1900
CHICAGO, IL 60601

Cook County (773) 321-2761

CHICAGO COMPASS COUNSELING, LLC

Social Worker (Clinical)

333 N MICHIGAN AVE
CHICAGO, IL 60601

Cook County (312) 715-8234

GINA PICCHIOTTI PSYD

Psychologist (Clinical)

333 N MICHIGAN AVE, 1900
CHICAGO, IL 60601

Cook County (773) 321-2758

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 Nathan Schlessinger,m.D.,s.C.'s NPI number?

The NPI number for Nathan Schlessinger,m.D.,s.C. is 1164432332. It was assigned to this organization in the NPPES registry on August 9, 2006.

Where is Nathan Schlessinger,m.D.,s.C. located?

Nathan Schlessinger,m.D.,s.C. is located at 333 N Michigan Ave Suite 2021, Chicago, IL 60601. The listed phone number is (312) 781-0181.

What is Nathan Schlessinger,m.D.,s.C.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Medical Specialty, with taxonomy code 261QM2500X.

When was this NPI record last updated?

The NPPES record for Nathan Schlessinger,m.D.,s.C. was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.