Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Alexa Paige Martinelli, DMD

Pediatric Dentistry in Princess Anne, MD · enumerated 2021.

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

National Provider Identifier

1720670516

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Registry record

Entity type Individual (Type 1)

Name Dr. Alexa Paige Martinelli

Credential DMD

Sex Female

Practice address 12165 Elm St, Princess Anne, MD, 21853

Phone (410) 651-5151

Fax (410) 651-4256

Enumeration date Feb 3, 2021

Last updated in NPPES Mar 31, 2025

Taxonomy & licenses

1223P0221X Pediatric Dentistry Dental Providers · License 22DI03024700 (NJ) Secondary

1223P0221X Pediatric Dentistry Dental Providers · License 18471 (MD) 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
119591300	Medicaid	MD	-

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 Alexa Martinelli?

The National Provider Identifier (NPI) for Alexa Martinelli is 1720670516, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alexa Martinelli practice?

The practice location on file with NPPES is in Princess Anne, MD. 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 2025-03-31.