DAVID S SISSAC
NPI 1619546058
Counselor - Mental Health in University City, MO

Q: What is David Sissac's NPI number?

The NPI number for David Sissac is 1619546058. It was assigned to this individual provider in the NPPES registry on June 21, 2021.

Q: What is David Sissac's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for David Sissac was last updated on January 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since June 21, 2021

6746 ETZEL AVE, UNIVERSITY CITY, MO 63130(314) 206-3900 Get Directions Write a Review

NPPES record last updated: January 21, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 21, 2026, Jun 21, 2021 (2 updates tracked since 2021).

On this page

About David S Sissac NPPES

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

DAVID S SISSAC (NPI 1619546058) is an individual mental health provider in University City, Missouri, licensed in Missouri (2025040327) and active in the NPI registry since June 2021.

NPPES Registry Identity

NPI1619546058

Entity TypeIndividualMale

Primary Taxonomy101YM0800X

Provider Legal NameDAVID S SISSAC

Location Address6746 ETZEL AVEUniversity City, MO 63130-2427

Mailing Address2420 Teakwood Manor DrFlorissant, MO 63031-4436 · (314) 933-6046

Phone(314) 206-3900

Sole ProprietorNo

Enumeration DateJune 21, 2021

Last NPPES UpdateJanuary 21, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 21, 2026

✔ NPI 1619546058 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

License✔ Licensed in MO · 2025040327

6746 ETZEL AVE, University City, MO 63130

Open in Google Maps ↗

Other Providers at the Same Location NPPES 2

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

CARIDAD BAEZ-WILLIAMSON LPC

Counselor (Professional)

6746 ETZEL AVE
UNIVERSITY CITY, MO 63130

St. Louis County (314) 881-8635

JESSICA RAE BRYANT

Counselor (Professional)

6746 ETZEL AVE
UNIVERSITY CITY, MO 63130

St. Louis County (314) 896-1127

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 David Sissac's NPI number?

The NPI number for David Sissac is 1619546058. It was assigned to this individual provider in the NPPES registry on June 21, 2021.

Where is David Sissac located?

David Sissac practices at 6746 Etzel Ave, University City, MO 63130. The listed phone number is (314) 206-3900.

What is David Sissac's specialty?

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

When was this NPI record last updated?

The NPPES record for David Sissac was last updated on January 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.