JILLIAN ALICIA NICKELSON
NPI 1700599958
Counselor - Mental Health in Saint Louis, MO

Active since January 03, 2023
5000 CEDAR PLAZA PKWY STE 180, SAINT LOUIS, MO 63128(314) 548-9105 Get Directions Write a Review

NPPES record last updated: January 15, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 15, 2026, Jan 3, 2023 (2 updates tracked since 2023).

About Jillian Alicia Nickelson NPPES

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

JILLIAN ALICIA NICKELSON (NPI 1700599958) is an individual mental health provider in Saint Louis, Missouri and active in the NPI registry since January 2023.

NPPES Registry Identity

NPI1700599958
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameJILLIAN ALICIA NICKELSON
Location Address5000 CEDAR PLAZA PKWY STE 180Saint Louis, MO 63128-3854
Mailing Address5000 Cedar Plaza Pkwy Ste 180Saint Louis, MO 63128-3854 · (314) 548-9105
Sole ProprietorNo
Enumeration DateJanuary 3, 2023
Last NPPES UpdateJanuary 15, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 15, 2026
NPI 1700599958 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
5000 CEDAR PLAZA PKWY STE 180, Saint Louis, MO 63128

Accepted Insurance

Other Providers at the Same Location NPPES 4

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

Counselor (Professional)
5000 CEDAR PLAZA PKWY STE 180
SAINT LOUIS, MO 63128
Social Worker (Clinical)
5000 CEDAR PLAZA PKWY STE 180
SAINT LOUIS, MO 63128
Counselor (Professional)
5000 CEDAR PLAZA PKWY STE 180
SAINT LOUIS, MO 63128
Counselor (Mental Health)
5000 CEDAR PLAZA PKWY STE 180
SAINT LOUIS, MO 63128

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 Jillian Nickelson's NPI number?

The NPI number for Jillian Nickelson is 1700599958. It was assigned to this individual provider in the NPPES registry on January 3, 2023.

Where is Jillian Nickelson located?

Jillian Nickelson practices at 5000 Cedar Plaza Pkwy Ste 180, Saint Louis, MO 63128. The listed phone number is (314) 548-9105.

What is Jillian Nickelson's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

What insurance does Jillian Nickelson accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 5 other insurers list Jillian Nickelson 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 Jillian Nickelson was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.