Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Karen Elaine Greco, PHD, RN, ANP

Adult Health Nurse Practitioner in Oregon City, OR · enumerated 2006.

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

National Provider Identifier

1265469043

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Registry record

Entity type Individual (Type 1)

Name Dr. Karen Elaine Greco

Credential PHD, RN, ANP

Sex Female

Practice address 700 Molalla Ave, Oregon City, OR, 97045

Phone (503) 722-4400

Enumeration date Jun 27, 2006

Last updated in NPPES Sep 28, 2020

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 000031382N3 ANP-PP (OR) Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD 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

Is NPI 1265469043 active?

Yes, as of the latest NPPES snapshot, NPI 1265469043 is active (record last updated 2020-09-28).

How do I verify Karen Greco's NPI record?

Cross-check NPI 1265469043 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 2020-09-28.