Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Rosemary Timmerman, DNP, APRN, CCNS

Acute Care Clinical Nurse Specialist in Anchorage, AK · enumerated 2023.

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

National Provider Identifier

1578264834

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Registry record

Entity type Individual (Type 1)

Name Rosemary Timmerman

Credential DNP, APRN, CCNS

Sex Female

Practice address 3200 Providence Dr, Anchorage, AK, 99508

Phone (907) 212-5673

Enumeration date Mar 14, 2023

Last updated in NPPES Mar 14, 2023

Taxonomy & licenses

364SA2100X Acute Care Clinical Nurse Specialist Physician Assistants & Advanced Practice Nursing Providers · License NURU1511 (AK) Primary

DNP · Doctor of Nursing Practice: A clinical doctorate for advanced practice nurses. About the DNP 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

What is the NPI number for Rosemary Timmerman?

The National Provider Identifier (NPI) for Rosemary Timmerman is 1578264834, a Type 1 (individual) record in the CMS NPPES registry.

Where does Rosemary Timmerman practice?

The practice location on file with NPPES is in Anchorage, AK. 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 2023-03-14.