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

Dr. Gregory A. Johnson, D.D.S.

Orthodontics and Dentofacial Orthopedics Dentistry in Avon, IN · enumerated 2006.

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

National Provider Identifier

1619072543

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Gregory A. Johnson

Credential D.D.S.

Sex Male

Practice address Avon, IN, 46123

Phone (317) 272-4755

Enumeration date Sep 14, 2006

Last updated in NPPES Aug 22, 2022

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

Taxonomy & licenses

1223X0400X Orthodontics and Dentofacial Orthopedics Dentistry Dental Providers · License 12009238 (IN) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS 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

Where does Gregory Johnson practice?

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

What is the NPI number for Gregory Johnson?

The National Provider Identifier (NPI) for Gregory Johnson is 1619072543, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-08-22.