NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Janet R Crain, DMD

Dentist in South Amboy, NJ · enumerated 2006 · practices at Tomasz Grochowalski MD PA.

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

National Provider Identifier

1023125150

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Janet R Crain
Credential DMD
Sex Female
Practice address 2045 State Route 35, South Amboy, NJ, 08879
Phone (732) 727-5000
Fax (732) 525-8566
Enumeration date Aug 24, 2006
Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

122300000X Dentist Dental Providers · License 22DI01435600 (NJ) Primary
DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD credential

Other identifiers

Identifier Type State Issuer
096787 Other NJ GROUP PIN
5530690001 Other NJ DMEPOS

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 Janet Crain?
The National Provider Identifier (NPI) for Janet Crain is 1023125150, a Type 1 (individual) record in the CMS NPPES registry.
Where does Janet Crain practice?
The practice location on file with NPPES is in South Amboy, NJ. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

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