MARILYN YELDER NP
NPI 1689813032
Nurse Practitioner - Pediatrics in Phoenix, AZ

Active since February 09, 2009PECOS Enrolled
4131 N 24TH ST STE B102, PHOENIX, AZ 85016(480) 882-4545(602) 903-7091 Get Directions Write a Review

NPPES record last updated: July 24, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Marilyn Yelder Np NPPES

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

MARILYN YELDER NP (NPI 1689813032) is an individual pediatrics provider in Phoenix, Arizona, licensed in Arizona (AP3258) and active in the NPI registry since February 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689813032
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameMARILYN YELDERCredential: NP
Location Address4131 N 24TH ST STE B102Phoenix, AZ 85016-6231
Mailing Address7500 N Dreamy Draw Dr Ste 145Phoenix, AZ 85020-4668 · (480) 882-4545 · Fax (480) 692-6874
Fax(602) 903-7091
Sole ProprietorNo
Enumeration DateFebruary 9, 2009
Last NPPES UpdateJuly 24, 2023
NPPES CertifiedJuly 24, 2023
✔ NPI 1689813032 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
Licenses✔ Licensed in AZ · AP3258✔ Licensed in AZ · RN154374
4131 N 24TH ST STE B102, Phoenix, AZ 85016

Other Names 1

Former Name (1)Marilyn Negron

Other Identifiers 1

Medicaid623525AZ

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marilyn Yelder Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Marilyn Yelder reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Federally Qualified Health Center (FQHC)
4131 N 24TH ST STE B102
Phoenix, AZ 85016
  • Reassigned Medicare billing, Arizona enrollment
  • 119 clinicians in this Medicare group
Federally Qualified Health Center (FQHC)
3807 N 7TH ST
Phoenix, AZ 85014
  • Reassigned Medicare billing, Arizona enrollment
  • 75 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
4131 N 24TH ST STE B102
PHOENIX, AZ 85016
Nurse Practitioner (Family)
4131 N 24TH ST STE B102
PHOENIX, AZ 85016
Clinic/Center (Federally Qualified Health Center (FQHC))
4131 N 24TH ST STE B102
PHOENIX, AZ 85016
Counselor (Mental Health)
4131 N 24TH ST STE B102
PHOENIX, AZ 85016
Nurse Practitioner (Family)
4131 N 24TH ST STE B102
PHOENIX, AZ 85016
Nurse Practitioner (Family)
4131 N 24TH ST STE B102
PHOENIX, AZ 85016
Family Medicine
4131 N 24TH ST STE B102
PHOENIX, AZ 85016
Internal Medicine
4131 N 24TH ST STE B102
PHOENIX, AZ 85016

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 Marilyn Yelder's NPI number?

The NPI number for Marilyn Yelder is 1689813032. It was assigned to this individual provider in the NPPES registry on February 9, 2009. The provider is also known as Marilyn Negron.

Where is Marilyn Yelder located?

Marilyn Yelder practices at 4131 N 24th St Ste B102, Phoenix, AZ 85016. The listed phone number is (480) 882-4545.

What is Marilyn Yelder's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Marilyn Yelder enrolled in Medicare?

Yes. Marilyn Yelder is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Marilyn Yelder's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marilyn Yelder reassigns Medicare benefits to 2 organizations: Neighborhood Outreach Access To Health (Phoenix, AZ) and Valle Del Sol, Inc. (Phoenix, AZ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marilyn Yelder's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marilyn Yelder accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc. and Oscar Health Plan, Inc. and 1 other insurer list Marilyn Yelder as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marilyn Yelder was last updated on July 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.