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

Dr. Larry J Martin, PH.D.

Q: What is the NPI number for Larry Martin?

The National Provider Identifier (NPI) for Larry Martin is 1487850822, a Type 1 (individual) record in the CMS NPPES registry.

Social Worker in Grand Ledge, MI · enumerated 2007.

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

National Provider Identifier

1487850822

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Larry J Martin

Credential PH.D.

Sex Male

Practice address Grand Ledge, MI, 48837

Phone (517) 622-0054

Fax (517) 622-0054

Enumeration date Jun 22, 2007

Last updated in NPPES Jul 8, 2007

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

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 6801059535 (MI) Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

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 Larry Martin?

The National Provider Identifier (NPI) for Larry Martin is 1487850822, a Type 1 (individual) record in the CMS NPPES registry.

Where does Larry Martin practice?

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

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