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

SETH W MARCUS M.S.
NPI 1275521122
Genetic Counselor, MS in Park Ridge, IL

Active since October 13, 2005
1875 DEMPSTER ST, SUITE 310, PARK RIDGE, IL 60068(847) 723-7705(847) 723-8675 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Seth W Marcus M.s. NPPES

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

SETH W MARCUS M.S. (NPI 1275521122) is an individual genetic counselor, ms provider in Park Ridge, Illinois and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1275521122
Entity TypeIndividualMale
Primary Taxonomy170300000X
Provider Legal NameSETH W MARCUSCredential: M.S.
Location Address1875 DEMPSTER ST, SUITE 310Park Ridge, IL 60068-1186
Mailing Address1875 Dempster St, Suite 310Park Ridge, IL 60068-1186 · (847) 723-7705 · Fax (847) 723-8675
Fax(847) 723-8675
Sole ProprietorNo
Enumeration DateOctober 13, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1275521122 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyGenetic Counselor, MSOther Service Providers
Taxonomy Code170300000X
Definition
A masters trained health care provider who collects and interprets genetic family histories; assesses the risk of disease occurrence or recurrence; identifies interventions to manage or ameliorate disease risk; educates about inheritance, testing, management, prevention, ethical issues, resources, and research; and counsels to promote informed choices and adaptation. Certification was established in 1993 by the American Board of Genetic Counseling and prior to that by the American Board of Medical Genetics. Requirements for experience, licensure, and job responsibilities vary among the states.
1875 DEMPSTER ST, Park Ridge, IL 60068

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.

Nurse Practitioner (Family)
1875 DEMPSTER ST
PARK RIDGE, IL 60068
Surgery
1875 DEMPSTER ST, SUITE 280
PARK RIDGE, IL 60068
Otolaryngology (Otolaryngology/Facial Plastic Surgery)
1875 DEMPSTER ST, STE 301
PARK RIDGE, IL 60068
Obstetrics & Gynecology (Maternal & Fetal Medicine)
1875 DEMPSTER ST, SUITE 325
PARK RIDGE, IL 60068
Otolaryngology (Otolaryngology/Facial Plastic Surgery)
1875 DEMPSTER ST, STE 301
PARK RIDGE, IL 60068
Physical Therapist (Sports)
1875 DEMPSTER ST
PARK RIDGE, IL 60068
Occupational Therapist (Hand)
1875 DEMPSTER ST, SUITE G10
PARK RIDGE, IL 60068
Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
1875 DEMPSTER ST, SUITE 665
PARK RIDGE, IL 60068

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 Seth Marcus's NPI number?

The NPI number for Seth Marcus is 1275521122. It was assigned to this individual provider in the NPPES registry on October 13, 2005.

Where is Seth Marcus located?

Seth Marcus practices at 1875 Dempster St Suite 310, Park Ridge, IL 60068. The listed phone number is (847) 723-7705.

What is Seth Marcus's specialty?

The primary specialty registered for this NPI is Genetic Counselor, MS with taxonomy code 170300000X.

When was this NPI record last updated?

The NPPES record for Seth Marcus was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 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.