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

Miss Colleen Mills, MA, LMHC

Mental Health Counselor in Newton Centre, MA · enumerated 2007.

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

National Provider Identifier

1720131162

Verified

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Registry record

Entity type Individual (Type 1)

Name Miss Colleen Mills

Credential MA, LMHC

Sex Female

Practice address Newton Centre, MA, 02459

Phone (781) 439-7172

Enumeration date Jan 19, 2007

Last updated in NPPES Dec 7, 2009

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

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 000007093 (MA) Primary

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.

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Frequently asked questions

What is the NPI number for Colleen Mills?

The National Provider Identifier (NPI) for Colleen Mills is 1720131162, a Type 1 (individual) record in the CMS NPPES registry.

Where does Colleen Mills practice?

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

Other providers at this practice address

Browse all →

Cynthia Worth Clinical Psychologist · Newton, MA NPI 1255305587 Margalit Rabinovich Clinical Social Worker · Newton Center, MA NPI 1184650764 Mary Goldberg Adult Psychiatric/Mental Health Clinical Nurse Specialist · Newton Center, MA NPI 1114945193 Benjamin Presskreischer Clinical Psychologist · Newton Center, MA NPI 1841200425 Margot Davis Clinical Social Worker · Newton, MA NPI 1831100528 Ronna Tapper-Goldman Clinical Social Worker · Newton Center, MA NPI 1265542724 Jochelson Counseling Associates, Inc. Mental Health Counselor · Newton, MA NPI 1881799864 Sarah Kahn Clinical Social Worker · Newton Centre, MA NPI 1699862631

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-12-07.