Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Michael A.V. Hamm, LMHC

Q: What is the NPI number for Michael Hamm?

The National Provider Identifier (NPI) for Michael Hamm is 1639192966, a Type 1 (individual) record in the CMS NPPES registry.

Marriage & Family Therapist in Indianapolis, IN · enumerated 2006.

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

National Provider Identifier

1639192966

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Registry record

Entity type Individual (Type 1)

Name Michael A.V. Hamm

Credential LMHC

Sex Male

Practice address 1812 N Capitol Ave, Suite 442, Indianapolis, IN, 46202

Phone (317) 962-8613

Fax (317) 962-5961

Enumeration date Jul 26, 2006

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 39000224 (IN) Secondary

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 35001433 (IN) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Michael Hamm?

The National Provider Identifier (NPI) for Michael Hamm is 1639192966, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Hamm practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.