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

DIANA DEE- WILLIAMS
NPI 1316502834
Counselor - Professional in Saint Louis, MO

Active since May 09, 2019
5647 DELMAR BLVD, SAINT LOUIS, MO 63112(314) 531-1770 Get Directions Write a Review

NPPES record last updated: September 10, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 10, 2026, May 9, 2019 (2 updates tracked since 2019).

About Diana Dee- Williams NPPES

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

DIANA DEE- WILLIAMS (NPI 1316502834) is an individual professional provider in Saint Louis, Missouri, licensed in Missouri (2014016167) and active in the NPI registry since May 2019. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1316502834
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameDIANA DEE- WILLIAMS
Location Address5647 DELMAR BLVDSaint Louis, MO 63112-2615
Mailing Address5647 Delmar BlvdSaint Louis, MO 63112-2615 · (314) 531-1770
Sole ProprietorYes
Enumeration DateMay 9, 2019
Last NPPES UpdateSeptember 10, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2026
NPI 1316502834 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License Licensed in MO · 2014016167
5647 DELMAR BLVD, Saint Louis, MO 63112

Secondary Practice Locations 2

Location 1421 E 137th StKansas City, MO 64145-1455 · Phone (816) 508-3500 ext. 5 · Fax (816) 508-3535
Location 21750 S Brentwood Blvd Ste 205Saint Louis, MO 63144-1315 · Phone (816) 508-3500 ext. 5 · Fax (816) 508-3535

Group Practice 1

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

Accepted Insurance

Other Providers at the Same Location NPPES 10

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

Counselor (Professional)
5647 DELMAR BLVD
SAINT LOUIS, MO 63112
Counselor (Professional)
5647 DELMAR BLVD
SAINT LOUIS, MO 63112
Counselor (Mental Health)
5647 DELMAR BLVD
SAINT LOUIS, MO 63112
Dentist
5647 DELMAR BLVD
SAINT LOUIS, MO 63112
Clinic/Center (Adolescent and Children Mental Health)
5647 DELMAR BLVD
SAINT LOUIS, MO 63112
Counselor (Mental Health)
5647 DELMAR BLVD
SAINT LOUIS, MO 63112
Dentist (Pediatric Dentistry)
5647 DELMAR BLVD
SAINT LOUIS, MO 63112
Counselor (Professional)
5647 DELMAR BLVD
SAINT LOUIS, MO 63112

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 Diana Dee- Williams's NPI number?

The NPI number for Diana Dee- Williams is 1316502834. It was assigned to this individual provider in the NPPES registry on May 9, 2019.

Where is Diana Dee- Williams located?

Diana Dee- Williams practices at 5647 Delmar Blvd, Saint Louis, MO 63112. The listed phone number is (314) 531-1770.

What is Diana Dee- Williams's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

What insurance does Diana Dee- Williams accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 5 other insurers list Diana Dee- Williams 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 Diana Dee- Williams was last updated on September 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.