NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Treanna Iris Anastasia, APN, WHNP, RN

Women's Health Nurse Practitioner in Fort Collins, CO · enumerated 2019 · practices at Rocky Mountain Retina Associates Inc.

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

National Provider Identifier

1841843547

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Registry record

Entity type Individual (Type 1)
Name Treanna Iris Anastasia
Credential APN, WHNP, RN
Sex Female
Practice address Fort Collins, CO, 80526
Phone (970) 231-2373
Fax (800) 886-9502
Enumeration date Jul 22, 2019
Last updated in NPPES Jun 19, 2026

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363LW0102X Women's Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License APN.1000750-NP (CO) Primary
363LW0102X Women's Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RXN.0109708-NP (CO) Secondary
374J00000X Doula Nursing Service Related Providers Secondary
174H00000X Health Educator Other Service Providers Secondary
364SW0102X Women's Health Clinical Nurse Specialist Physician Assistants & Advanced Practice Nursing Providers · License RN.1671958 (CO) Secondary
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN 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.

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Frequently asked questions

Is NPI 1841843547 active?
Yes, as of the latest NPPES snapshot, NPI 1841843547 is active (record last updated 2026-06-19).
How do I verify Treanna Anastasia's NPI record?
Cross-check NPI 1841843547 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-19.