NORTHWESTERN NEUROSURGICAL ASSOCIATES., S.C.
NPI 1699985382
Specialist in Chicago, IL

Q: What is Northwestern Neurosurgical Associates., S.C.'s specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Active since May 23, 2007

7447 W TALCOTT AVE, SUITE 340, CHICAGO, IL 60631(773) 594-0200(773) 594-9083 Get Directions Write a Review

NPPES record last updated: December 10, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Northwestern Neurosurgical Associates., S.c. NPPES

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

NORTHWESTERN NEUROSURGICAL ASSOCIATES., S.C. (NPI 1699985382) is a healthcare organization registered as a specialist in Chicago, Illinois and active in the NPI registry since May 2007. The organization lists Francisco A. Gutierrez, Neurosurgeon, as its authorized official.

NPPES Registry Identity

NPI1699985382

Entity TypeOrganization

Primary Taxonomy174400000X

Legal Business NameNORTHWESTERN NEUROSURGICAL ASSOCIATES., S.C.

Location Address7447 W TALCOTT AVE, SUITE 340Chicago, IL 60631-3745

Mailing Address75 Remittance Dr, Suite 1244Chicago, IL 60675-1244 · (773) 594-0200 · Fax (773) 594-9083

Phone(773) 594-0200

Fax(773) 594-9083

Organization SubpartNo

Authorized OfficialFrancisco A. GutierrezNeurosurgeon · (773) 594-0200

Enumeration DateMay 23, 2007

Last NPPES UpdateDecember 10, 2021

NPPES CertifiedDecember 10, 2021

✔ NPI 1699985382 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

7447 W TALCOTT AVE, Chicago, IL 60631

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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 and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Northwestern Neurosurgical Associates., S.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 3 clinicians reassign Medicare billing to Northwestern Neurosurgical Associates., S.C., which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Paul Ackerman, M.D.

Neurosurgery

NPI 1275762262

7447 W TALCOTT AVE STE 340
Chicago, IL 60631

(773) 594-0200

✔ PECOS✔ Accepts MedicareSame address

Benson Yang, M.D.

Neurosurgery

NPI 1639394620

7447 W TALCOTT AVE SUITE 340
Chicago, IL 60631

(773) 594-0200

✔ PECOS✔ Accepts MedicareSame address

Maria Terrado

Nurse Practitioner

NPI 1376329748

7447 W TALCOTT AVE STE 340
Chicago, IL 60631

(773) 594-0200

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Northwestern Neurosurgical Associates., S.C.'s NPI number?

The NPI number for Northwestern Neurosurgical Associates., S.C. is 1699985382. It was assigned to this organization in the NPPES registry on May 23, 2007.

Where is Northwestern Neurosurgical Associates., S.C. located?

Northwestern Neurosurgical Associates., S.C. is located at 7447 W Talcott Ave Suite 340, Chicago, IL 60631. The listed phone number is (773) 594-0200.

What is Northwestern Neurosurgical Associates., S.C.'s specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Northwestern Neurosurgical Associates., S.C. enrolled in Medicare?

Yes. Northwestern Neurosurgical Associates., S.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Northwestern Neurosurgical Associates., S.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Northwestern Neurosurgical Associates., S.C., in Neurosurgery and Nurse Practitioner. A 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 the clinician's services. Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Northwestern Neurosurgical Associates., S.C. accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Northwestern Neurosurgical Associates., S.C. 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 Northwestern Neurosurgical Associates., S.C. was last updated on December 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.