NPI Portal NPI Lookup & Verification

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

Mr. David Leon Avery, LMHC

Mental Health Counselor in Dorchester Center, MA · enumerated 2011 · practices at Commonwealth Mental Health & Wellness Center.

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

National Provider Identifier

1235437096

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Registry record

Entity type Individual (Type 1)
Name Mr. David Leon Avery
Credential LMHC
Sex Male
Practice address Dorchester Center, MA, 02124
Phone (617) 282-9772
Fax (617) 506-1573
Enumeration date Mar 3, 2011
Last updated in NPPES Mar 3, 2011

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 7173 (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 David Avery?
The National Provider Identifier (NPI) for David Avery is 1235437096, a Type 1 (individual) record in the CMS NPPES registry.
Where does David Avery practice?
The practice location on file with NPPES is in Dorchester Center, MA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-03-03.