What is William Grosser's NPI number?

William Grosser's National Provider Identifier (NPI) is 1821201245, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Grosser's specialty?

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

Where is William Grosser located?

William Grosser's practice location on file with NPPES is 715 East St, Lenox, MA 01240-2210.

What is William Grosser's phone number?

The practice phone number listed in the NPPES registry for William Grosser is (413) 637-2868.

Is William Grosser's NPI active?

Yes — William Grosser's NPI (1821201245) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

William Grosser, MSW

NPI 1821201245 · Clinical Social Worker · Lenox, MA

William Grosser, MSW is a Clinical Social Worker provider in Lenox, MA (NPI 1821201245).

Provider details

NPI number: 1821201245
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: MSW
Sex: Male
Sole proprietor: Yes
License: 107662 (MA)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 107662 (MA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(89/100 index)

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

Registry tenure38% of score
19 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

715 East St

Lenox, MA 01240-2210

Phone: (413) 637-2868

Street-level locationGet directions

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Mailing address