1. Home
  2. Directory
  3. Massachusetts
  4. Somerville
  5. Psychologist
  6. NPI Profile

POLLY MERCK
NPI 1770065476
Psychologist - Clinical in Somerville, MA

Active since August 30, 2018
403 HIGHLAND AVE, SOMERVILLE, MA 02144(978) 808-8555 Get Directions Write a Review

NPPES record last updated: August 20, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Polly Merck NPPES

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

POLLY MERCK (NPI 1770065476) is an individual clinical provider in Somerville, Massachusetts, licensed in Massachusetts (10001238) and active in the NPI registry since August 2018.

NPPES Registry Identity

NPI1770065476
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NamePOLLY MERCK
Location Address403 HIGHLAND AVESomerville, MA 02144-2530
Mailing Address403 Highland AveSomerville, MA 02144-2530 · (978) 808-8555
Phone(978) 808-8555
Sole ProprietorNo
Enumeration DateAugust 30, 2018
Last NPPES UpdateAugust 20, 2025
NPPES CertifiedAugust 20, 2025
✔ NPI 1770065476 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in MA · 10001238
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
403 HIGHLAND AVE, Somerville, MA 02144
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Other Providers at the Same Location NPPES 6

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

JOHN FRANCIS CUSACK PH.D.
Psychologist (Counseling)
403 HIGHLAND AVE, SUITE 211
SOMERVILLE, MA 02144
Middlesex County (617) 666-5800
MS. KATHERINE FLAVIN BADERTSCHER LMHC
Counselor (Mental Health)
403 HIGHLAND AVE, SUITE 211
SOMERVILLE, MA 02144
Middlesex County (617) 538-3550
NEIGHBORHOOD COUNSELING AND COMMUNITY SERVICES, INC.
Community/Behavioral Health
403 HIGHLAND AVE, SUITE 202, ROOM 5
SOMERVILLE, MA 02144
Middlesex County (781) 600-6074
MS. JULIE ANNE CATALANO LICSW
Social Worker
403 HIGHLAND AVE, SUITE 202
SOMERVILLE, MA 02144
Middlesex County (617) 666-2720
DR. ROBERT O. SILLS PH.D., LICSW
Social Worker (Clinical)
403 HIGHLAND AVE, SUITE 211
SOMERVILLE, MA 02144
Middlesex County (617) 666-5800
MS. AMANDA CHASE DUFFY L.I.C.S.W.
Social Worker (Clinical)
403 HIGHLAND AVE, SUITE 211
SOMERVILLE, MA 02144
Middlesex County (617) 666-5800

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 Polly Merck's NPI number?

The NPI number for Polly Merck is 1770065476. It was assigned to this individual provider in the NPPES registry on August 30, 2018.

Where is Polly Merck located?

Polly Merck practices at 403 Highland Ave, Somerville, MA 02144. The listed phone number is (978) 808-8555.

What is Polly Merck's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

What insurance does Polly Merck accept?

Health plans from Anthem Blue Cross and Blue Shield list Polly Merck 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 Polly Merck was last updated on August 20, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.