MOLLY WILLIAMS DERR
NPI 1679750343
Counselor - Addiction (Substance Use Disorder) in Gloucester, MA

Active since January 24, 2008
298 WASHINGTON ST, HEALTH & EDUCATION SERVICES, INC, GLOUCESTER, MA 01930(978) 283-0296(978) 283-2665 Get Directions Write a Review

NPPES record last updated: January 24, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Molly Williams Derr NPPES

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

MOLLY WILLIAMS DERR (NPI 1679750343) is an individual addiction (substance use disorder) provider in Gloucester, Massachusetts and active in the NPI registry since January 2008.

NPPES Registry Identity

NPI1679750343
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMOLLY WILLIAMS DERR
Location Address298 WASHINGTON ST, HEALTH & EDUCATION SERVICES, INCGloucester, MA 01930-4832
Mailing Address7 Ridgewood RdRockport, MA 01966-2220 · (978) 546-6727
Fax(978) 283-2665
Sole ProprietorNo
Enumeration DateJanuary 24, 2008
✔ NPI 1679750343 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
298 WASHINGTON ST, Gloucester, MA 01930

Other Names 1

Professional Name (2)Mary Williams Derr

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.

Pediatrics
298 WASHINGTON ST, BABSON PROFESSIONAL BUILDING
GLOUCESTER, MA 01930
Nurse Practitioner (Pediatrics)
298 WASHINGTON ST
GLOUCESTER, MA 01930
Dietitian, Registered
298 WASHINGTON ST
GLOUCESTER, MA 01930
Social Worker
298 WASHINGTON ST
GLOUCESTER, MA 01930
Licensed Practical Nurse
298 WASHINGTON ST
GLOUCESTER, MA 01930
Social Worker (Clinical)
298 WASHINGTON ST
GLOUCESTER, MA 01930
Pediatrics
298 WASHINGTON ST, BABSON PROFESSIONAL BUILDING
GLOUCESTER, MA 01930
Counselor (Mental Health)
298 WASHINGTON ST
GLOUCESTER, MA 01930

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 Molly Derr's NPI number?

The NPI number for Molly Derr is 1679750343. It was assigned to this individual provider in the NPPES registry on January 24, 2008. The provider is also known as Mary Williams Derr.

Where is Molly Derr located?

Molly Derr practices at 298 Washington St Health & Education Services, Inc, Gloucester, MA 01930. The listed phone number is (978) 283-0296.

What is Molly Derr's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Molly Derr was last updated on January 24, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.