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MS. TERESA MARIE DERR LC.S.W., M.DIV.
NPI 1659383693
Social Worker in New Haven, CT

Active since August 11, 2006
20 YORK ST, NEW HAVEN, CT 06510(203) 688-9871 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ms. Teresa Marie Derr Lc.s.w., M.div. NPPES

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

MS. TERESA MARIE DERR LC.S.W., M.DIV. (NPI 1659383693) is an individual social worker in New Haven, Connecticut, licensed in New York (054129) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1659383693
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMS. TERESA MARIE DERRCredential: LC.S.W., M.DIV.
Location Address20 YORK STNew Haven, CT 06510-3220
Mailing Address115 Wilton Rd.Westport, CT 06880 · (203) 557-4508
Phone(203) 688-9871
Sole ProprietorYes
Enumeration DateAugust 11, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1659383693 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in NY · 054129
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License 005181 (CT)
20 YORK ST, New Haven, CT 06510
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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.

AUDREY P SENIOR APRN
Nurse Practitioner (Family)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-5860
DR. YEISID F FIGUEREDO M.D.
Pediatrics (Neonatal-Perinatal Medicine)
20 YORK ST, DEPT OF NEONATOLOGY
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2320
YALE NEW HAVEN HOSPITAL
Durable Medical Equipment & Medical Supplies (Customized Equipment)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2046
TAYLOR KINGSTON
Dietitian, Registered
20 YORK ST, FOOD AND NUTRITION EPB806
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-9185
DR. TRAVIS DANIEL BONTRAGER MD
Hospitalist
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-1734
NEEHARIKA THOTTEMPUDI MBBS
Psychiatry & Neurology (Neurology)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4242
TERESA JOSEPH D.O.
Internal Medicine (Nephrology)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 737-8894
MR. BRAD ST. MARTIN MD
Obstetrics & Gynecology
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4242

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 Teresa Derr's NPI number?

The NPI number for Teresa Derr is 1659383693. It was assigned to this individual provider in the NPPES registry on August 11, 2006.

Where is Teresa Derr located?

Teresa Derr practices at 20 York St, New Haven, CT 06510. The listed phone number is (203) 688-9871.

What is Teresa Derr's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Teresa Derr 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.