Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mrs. Dianne Dahlbom, LICSW

Clinical Social Worker in Lexington, MA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1528135183

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Registry record

Entity type Individual (Type 1)

Name Mrs. Dianne Dahlbom

Credential LICSW

Sex Female

Practice address Lexington, MA, 02421

Phone (339) 927-6769

Enumeration date Nov 29, 2006

Last updated in NPPES Jul 8, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 1029403 (MA) Primary

Other identifiers

Identifier	Type	State	Issuer
P07722	Other	MA	BLUE CROSS BLUE SHIELD

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Dianne Dahlbom practice?

The practice location on file with NPPES is in Lexington, MA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Dianne Dahlbom?

The National Provider Identifier (NPI) for Dianne Dahlbom is 1528135183, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Mary Young Adult Psychiatric/Mental Health Clinical Nurse Specialist · Lexington, MA NPI 1508917774 Jennifer Dermarderosian Clinical Social Worker · Lexington, MA NPI 1881722478

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.