What is Allison Slocum's NPI number?

Allison Slocum's National Provider Identifier (NPI) is 1518840131, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Allison Slocum's specialty?

Allison Slocum is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is Allison Slocum located?

Allison Slocum's practice location on file with NPPES is 41 Garrison Rd, Brookline, MA 02445-4445.

What is Allison Slocum's phone number?

The practice phone number listed in the NPPES registry for Allison Slocum is (617) 277-8107.

Is Allison Slocum's NPI active?

Yes — Allison Slocum's NPI (1518840131) is active in the NPPES registry as of the last update on 2025-07-30.

IndividualActive

Allison Slocum

NPI 1518840131 · Mental Health Counselor · Brookline, MA

Allison Slocum is a Mental Health Counselor provider in Brookline, MA (NPI 1518840131).

Provider details

NPI number: 1518840131
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sole proprietor: No

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(48/100 index)

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

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% 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

41 Garrison Rd

Brookline, MA 02445-4445

Phone: (617) 277-8107

Street-level locationGet directions

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Mailing address