What is Polly Merck's NPI number?

Polly Merck's National Provider Identifier (NPI) is 1770065476, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Polly Merck's specialty?

Polly Merck is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).

Where is Polly Merck located?

Polly Merck's practice location on file with NPPES is 403 Highland Ave, Somerville, MA 02144-2530.

What is Polly Merck's phone number?

The practice phone number listed in the NPPES registry for Polly Merck is (978) 808-8555.

Is Polly Merck's NPI active?

Yes — Polly Merck's NPI (1770065476) is active in the NPPES registry as of the last update on 2025-08-20.

IndividualActive

Polly Merck

NPI 1770065476 · Clinical Psychologist · Somerville, MA

Polly Merck is a Clinical Psychologist provider in Somerville, MA (NPI 1770065476).

Provider details

NPI number: 1770065476
Entity type: Individual
Primary specialty: Clinical PsychologistBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: 10001238 (MA)

Specialties & taxonomies

Clinical PsychologistPrimary103TC0700XLicense 10001238 (MA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(67/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
7 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

403 Highland Ave

Somerville, MA 02144-2530

Phone: (978) 808-8555

Street-level locationGet directions

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Mailing address