Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Denise Helmine Duren, FNP

Q: What is the NPI number for Denise Duren?

The National Provider Identifier (NPI) for Denise Duren is 1225099336, a Type 1 (individual) record in the CMS NPPES registry.

Family Nurse Practitioner in Medford, OR · enumerated 2006.

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

National Provider Identifier

1225099336

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Registry record

Entity type Individual (Type 1)

Name Denise Helmine Duren

Credential FNP

Sex Female

Practice address 3617 S Pacific Hwy, Medford, OR, 97501

Phone (541) 535-6239

Fax (541) 535-4377

Enumeration date Mar 29, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 087006741N1 FNP-PP (OR) Primary

FNP · Family Nurse Practitioner: A nurse practitioner certified in family practice across the lifespan. About the FNP credential

Other identifiers

Identifier	Type	State	Issuer
022868	Medicaid	OR	-

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 Denise Duren?

The National Provider Identifier (NPI) for Denise Duren is 1225099336, a Type 1 (individual) record in the CMS NPPES registry.

Where does Denise Duren practice?

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

Other providers at this practice address

Browse all →

Brandee Danks Physician Assistant · Medford, OR NPI 1437145265 Laura Heesacker Clinical Social Worker · Medford, OR NPI 1205818580 Elizabeth Ballergin Advanced Practice Midwife · Medford, OR NPI 1518927060 Mary Cutler Family Medicine Physician · Medford, OR NPI 1649231523 Leah Schindler Family Nurse Practitioner · Medford, OR NPI 1306889969 La Clinica Del Valle Family Health Care Center Inc. Federally Qualified Health Center (FQHC) · Medford, OR NPI 1851327571 Thomas Hartkop Family Medicine Physician · Medford, OR NPI 1457365645 Caraway Timmins Advanced Practice Midwife · Medford, OR NPI 1114021649

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.