Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary E Tuttle, APRN

Q: What is the NPI number for Mary Tuttle?

The National Provider Identifier (NPI) for Mary Tuttle is 1225115009, a Type 1 (individual) record in the CMS NPPES registry.

Psychiatric/Mental Health Nurse Practitioner in Norwalk, CT · enumerated 2006.

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

National Provider Identifier

1225115009

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Registry record

Entity type Individual (Type 1)

Name Mary E Tuttle

Credential APRN

Sex Female

Practice address 24 Stevens St, Norwalk, CT, 06850

Phone (203) 852-2292

Fax (203) 855-3985

Enumeration date Nov 1, 2006

Last updated in NPPES Mar 5, 2016

Taxonomy & licenses

163WG0000X General Practice Registered Nurse Nursing Service Providers · License R50002 (CT) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 003415 (CT) Primary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License AP128952 (TX) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License AP128952 (TX) Secondary

APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists. About the APRN 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 Tuttle practice?

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

What is the NPI number for Mary Tuttle?

The National Provider Identifier (NPI) for Mary Tuttle is 1225115009, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-03-05.