Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary Elizabeth Hammett, CRNA

Q: What is the NPI number for Mary Hammett?

The National Provider Identifier (NPI) for Mary Hammett is 1376795021, a Type 1 (individual) record in the CMS NPPES registry.

Certified Registered Nurse Anesthetist in La Plata, MD · enumerated 2008.

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

National Provider Identifier

1376795021

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Registry record

Entity type Individual (Type 1)

Name Mary Elizabeth Hammett

Credential CRNA

Sex Female

Practice address 5 Garrett Ave, La Plata, MD, 20646

Phone (301) 609-4000

Enumeration date Oct 14, 2008

Last updated in NPPES Feb 12, 2026

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License 60145 (WV) Secondary

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License AP125979 (TX) Primary

CRNA · Certified Registered Nurse Anesthetist: An advanced practice nurse specializing in anesthesia care. About the CRNA 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 Mary Hammett practice?

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

What is the NPI number for Mary Hammett?

The National Provider Identifier (NPI) for Mary Hammett is 1376795021, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Lisa Wiltrout Pediatrics Physician · La Plata, MD NPI 1306813134 Cassandra Griffin-Weathers Certified Registered Nurse Anesthetist · La Plata, MD NPI 1285602557 Uzma Vaince Hospitalist Physician · La Plata, MD NPI 1033179502 Deborah Araya Hospice and Palliative Medicine (Surgery) Physician · La Plata, MD NPI 1659445955 Carrie Price Occupational Therapist · La Plata, MD NPI 1932223161 Eugene Suwandhi Pediatrics Physician · La Plata, MD NPI 1184824856 Babatunde Orogbemi Emergency Medicine Physician · La Plata, MD NPI 1568652717 Beth Galligan Physical Therapist · La Plata, MD NPI 1205084134

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-12.