CLARK, NELSON, AND ASSOCIATES, INC.
NPI 1902457450
Nurse Practitioner - Family in Chicago, IL

Active since September 26, 2019CLIA 14D2242480 · Waiver
2600 S MICHIGAN AVE, STE LLD, CHICAGO, IL 60616(312) 866-4642 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Sep 11, 2025, Mar 31, 2025, Aug 17, 2023 and 5 more (8 updates tracked since 2019).

About Clark, Nelson, And Associates, Inc. NPPES

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

CLARK, NELSON, AND ASSOCIATES, INC. (NPI 1902457450) is a healthcare organization registered as a family in Chicago, Illinois and active in the NPI registry since September 2019. The organization holds a CLIA Waiver certificate valid through November 8, 2027, maintains a secondary practice location in West Jordan, and lists Shammona Clark, Family Nurse Practitioner, as its authorized official.

NPPES Registry Identity

NPI1902457450
Entity TypeOrganization
Primary Taxonomy363LF0000X
Legal Business NameCLARK, NELSON, AND ASSOCIATES, INC.
Location Address2600 S MICHIGAN AVE, STE LLDChicago, IL 60616
Mailing Address2600 S Michigan Ave, Ste LldChicago, IL 60616 · (312) 866-4642
Organization SubpartNo
Authorized OfficialShammona ClarkFamily Nurse Practitioner · (574) 298-3090
Enumeration DateSeptember 26, 2019
Last NPPES UpdateSeptember 11, 20258 updates tracked since enumeration
NPPES CertifiedSeptember 11, 2025
NPI 1902457450 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X

Other Names 1

Doing Business AsClark, Nelson, And Associates, Inc.

Secondary Practice Location 1

Location 17533 S Center View Ct Ste NWest Jordan, UT 84084-5526 · Phone (312) 866-4642

Group Practice 2

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP
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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D2242480

Clark, Nelson, And Associates, Inc · Chicago, IL
Active · expires Nov 8, 2027
CLIA Number14D2242480
Laboratory TypePhysician Office
Certificate Effective DateNovember 9, 2025
Certificate Expiration DateNovember 8, 2027
Laboratory DirectorShammona Clark
Laboratory Phone(312) 866-4642
Laboratory LocationClark, Nelson, And Associates, Inc2600 S Michigan Ave - Ste Lld, Chicago, IL 60616
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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.

Ophthalmology
2600 S MICHIGAN AVE, SUITE #315
CHICAGO, IL 60616
Clinic/Center (Mental Health (Including Community Mental Health Center))
2600 S MICHIGAN AVE
CHICAGO, IL 60616
Social Worker (Clinical)
2600 S MICHIGAN AVE
CHICAGO, IL 60616
Ophthalmology
2600 S MICHIGAN AVE, STE 212
CHICAGO, IL 60616
Internal Medicine
2600 S MICHIGAN AVE, SUITE 310
CHICAGO, IL 60616
Internal Medicine (Addiction Medicine)
2600 S MICHIGAN AVE, SUITE 410
CHICAGO, IL 60616
Obstetrics & Gynecology
2600 S MICHIGAN AVE, SUITE 305
CHICAGO, IL 60616
Internal Medicine
2600 S MICHIGAN AVE
CHICAGO, IL 60616

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 Clark, Nelson, And Associates, Inc.'s NPI number?

The NPI number for Clark, Nelson, And Associates, Inc. is 1902457450. It was assigned to this organization in the NPPES registry on September 26, 2019.

Where is Clark, Nelson, And Associates, Inc. located?

Clark, Nelson, And Associates, Inc. is located at 2600 S Michigan Ave Ste Lld, Chicago, IL 60616. The listed phone number is (312) 866-4642.

What is Clark, Nelson, And Associates, Inc.'s specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Does Clark, Nelson, And Associates, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D2242480) is associated with this NPI, valid through November 8, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Clark, Nelson, And Associates, Inc. was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.