What is Maxwell Sims's NPI number?

Maxwell Sims's National Provider Identifier (NPI) is 1326991415, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Maxwell Sims's specialty?

Maxwell Sims is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).

Where is Maxwell Sims located?

Maxwell Sims's practice location on file with NPPES is 606 Trapelo Rd, Belmont, MA 02478-1405.

What is Maxwell Sims's phone number?

The practice phone number listed in the NPPES registry for Maxwell Sims is (617) 484-1800.

Is Maxwell Sims's NPI active?

Yes — Maxwell Sims's NPI (1326991415) is active in the NPPES registry as of the last update on 2026-02-18.

IndividualActive

Maxwell Sims

NPI 1326991415 · Clinical Social Worker · Belmont, MA

Maxwell Sims is a Clinical Social Worker provider in Belmont, MA (NPI 1326991415).

Provider details

NPI number: 1326991415
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No
License: LCSW230162 (MA)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense LCSW230162 (MA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(53/100 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
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

606 Trapelo Rd

Belmont, MA 02478-1405

Phone: (617) 484-1800

Street-level locationGet directions

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Mailing address