Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

David Michael Martin

Q: What is the NPI number for David Martin?

The National Provider Identifier (NPI) for David Martin is 1134700198, a Type 1 (individual) record in the CMS NPPES registry.

Addiction (Substance Use Disorder) Counselor in Harleysville, PA · enumerated 2021.

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

National Provider Identifier

1134700198

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Registry record

Entity type Individual (Type 1)

Name David Michael Martin

Sex Male

Practice address 292 Main St # 257, Harleysville, PA, 19438

Phone (215) 527-9528

Enumeration date Apr 20, 2021

Last updated in NPPES Apr 20, 2021

Taxonomy & licenses

156F00000X Technician/Technologist Eye and Vision Services Providers Secondary

171W00000X Contractor Other Service Providers Secondary

374700000X Technician Nursing Service Related Providers Secondary

376J00000X Homemaker Nursing Service Related Providers Secondary

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers 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 David Martin?

The National Provider Identifier (NPI) for David Martin is 1134700198, a Type 1 (individual) record in the CMS NPPES registry.

Where does David Martin practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-04-20.