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

MRS. JOANNE ELIZABETH GRIEBEL LCSW
NPI 1508232232
Social Worker - Clinical in Wilmington, DE

Active since August 17, 2015
3521 SILVERSIDE RD STE 2F1, WILMINGTON, DE 19810(833) 815-2187(302) 224-1402 Get Directions Write a Review

NPPES record last updated: October 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Joanne Elizabeth Griebel Lcsw NPPES

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

MRS. JOANNE ELIZABETH GRIEBEL LCSW (NPI 1508232232) is an individual clinical provider in Wilmington, Delaware, licensed in Delaware (Q1-0001400) and active in the NPI registry since August 2015. She maintains a secondary practice location in Newark.

NPPES Registry Identity

NPI1508232232
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMRS. JOANNE ELIZABETH GRIEBELCredential: LCSW
Location Address3521 SILVERSIDE RD STE 2F1Wilmington, DE 19810-4900
Mailing Address260 Chapman Rd Ste 205cNewark, DE 19702-5449 · (302) 533-7582
Fax(302) 224-1402
Sole ProprietorYes
Enumeration DateAugust 17, 2015
Last NPPES UpdateOctober 12, 2026
NPPES CertifiedOctober 12, 2026
✔ NPI 1508232232 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in DE · Q1-0001400
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
3521 SILVERSIDE RD STE 2F1, Wilmington, DE 19810

Other Names 1

Former Name (1)Joanne Elizabeth Sullivan

Secondary Practice Location 1

Location 1260 Chapman Rd, Ste 205 CNewark, DE 19702-5490 · Phone (302) 533-7582

Accepted Insurance

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.

Student in an Organized Health Care Education/Training Program
3521 SILVERSIDE RD STE 2F1
WILMINGTON, DE 19810
Psychologist
3521 SILVERSIDE RD STE 2F1
WILMINGTON, DE 19810
Student in an Organized Health Care Education/Training Program
3521 SILVERSIDE RD STE 2F1
WILMINGTON, DE 19810
Student in an Organized Health Care Education/Training Program
3521 SILVERSIDE RD STE 2F1
WILMINGTON, DE 19810
Nurse Practitioner (Psychiatric/Mental Health)
3521 SILVERSIDE RD STE 2F1
WILMINGTON, DE 19810
Student in an Organized Health Care Education/Training Program
3521 SILVERSIDE RD STE 2F1
WILMINGTON, DE 19810
Marriage & Family Therapist
3521 SILVERSIDE RD STE 2F1
WILMINGTON, DE 19810
Psychologist
3521 SILVERSIDE RD STE 2F1
WILMINGTON, DE 19810

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 Joanne Griebel's NPI number?

The NPI number for Joanne Griebel is 1508232232. It was assigned to this individual provider in the NPPES registry on August 17, 2015. The provider is also known as Joanne Elizabeth Sullivan.

Where is Joanne Griebel located?

Joanne Griebel practices at 3521 Silverside Rd Ste 2f1, Wilmington, DE 19810. The listed phone number is (833) 815-2187.

What is Joanne Griebel's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

What insurance does Joanne Griebel accept?

Health plans from Highmark Blue Cross Blue Shield Delaware list Joanne Griebel 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 Joanne Griebel was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.