MARSHA HAMMER DULEY DNP-FNPC
NPI 1215708334
Nurse Practitioner - Family in Layton, UT

Q: What is Marsha Duley's NPI number?

The NPI number for Marsha Duley is 1215708334. It was assigned to this individual provider in the NPPES registry on January 9, 2024. The provider is also known as Marsha Hammer.

Q: What is Marsha Duley's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: Is Marsha Duley enrolled in Medicare?

No. Marsha Duley has opted out of Medicare through July 6, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for Marsha Duley was last updated on September 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 09, 2024Opted out of Medicare · through Jul 6, 2028

438 ROSEWOOD LN APT 15, LAYTON, UT 84041(385) 348-5239(385) 213-4614 Get Directions Write a Review

NPPES record last updated: September 9, 2025. Verified against the NPPES registry weekly; last sync: September 27, 2026.

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About Marsha Hammer Duley Dnp-fnpc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARSHA HAMMER DULEY DNP-FNPC (NPI 1215708334) is an individual family provider in Layton, Utah, licensed in Utah (10350271-4405) and active in the NPI registry since January 2024. She has opted out of Medicare through July 6, 2028.

NPPES Registry Identity

NPI1215708334

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameMARSHA HAMMER DULEYCredential: DNP-FNPC

Location Address438 ROSEWOOD LN APT 15Layton, UT 84041-5706

Mailing Address438 Rosewood Ln Apt 15Layton, UT 84041-5706 · (503) 347-8203

Phone(385) 348-5239

Fax(385) 213-4614

Sole ProprietorNo

Enumeration DateJanuary 9, 2024

Last NPPES UpdateSeptember 9, 2025

NPPES CertifiedSeptember 9, 2025

✔ NPI 1215708334 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in UT · 10350271-4405

438 ROSEWOOD LN APT 15, Layton, UT 84041

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Other Names 1

Former Name (1)Marsha Hammer

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Marsha Hammer Duley Dnp-fnpc has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 6, 2026 through July 6, 2028.

Opt-Out Effective DateJuly 6, 2026

Opt-Out In Effect ThroughJuly 6, 2028Opt-out affidavits renew automatically every two years unless cancelled

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marsha Duley's NPI number?

The NPI number for Marsha Duley is 1215708334. It was assigned to this individual provider in the NPPES registry on January 9, 2024. The provider is also known as Marsha Hammer.

Where is Marsha Duley located?

Marsha Duley practices at 438 Rosewood Ln Apt 15, Layton, UT 84041. The listed phone number is (385) 348-5239.

What is Marsha Duley's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Marsha Duley enrolled in Medicare?

No. Marsha Duley has opted out of Medicare through July 6, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Marsha Duley was last updated on September 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.