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MADISON CLAIRE ZENK
NPI 1710636279
Pediatrics in Greeley, CO

Active since March 22, 2022PECOS Enrolled
5881 W 16TH ST STE B, GREELEY, CO 80634(970) 652-2235(970) 652-2827 Get Directions Write a Review

NPPES record last updated: July 17, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Madison Claire Zenk NPPES

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

MADISON CLAIRE ZENK (NPI 1710636279) is an individual pediatrics provider in Greeley, Colorado, licensed in Colorado (DR.0074842) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS and maintains a secondary practice location in Charlotte.

NPPES Registry Identity

NPI1710636279
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMADISON CLAIRE ZENK
Location Address5881 W 16TH ST STE BGreeley, CO 80634-2910
Mailing Address5881 W 16th St Ste BGreeley, CO 80634-2910 · (970) 652-2235 · Fax (970) 652-2827
Phone(970) 652-2235
Fax(970) 652-2827
Sole ProprietorYes
Enumeration DateMarch 22, 2022
Last NPPES UpdateJuly 17, 2025
NPPES CertifiedJuly 16, 2025
✔ NPI 1710636279 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CO · DR.0074842
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
5881 W 16TH ST STE B, Greeley, CO 80634
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Other Names 1

Other Name (5)Maddie Claire Zenk

Secondary Practice Location 1

Location 11000 Blythe Blvd., 4th floor, MEBCharlotte, NC 28203-5812 · Phone (704) 381-6800 · Fax (704) 381-6841

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Select Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Madison Claire Zenk 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 Reassignment

Medicare enrollment records show Madison Zenk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Poudre Valley Medical Group, LLC
12 mi
General Practice
2695 ROCKY MOUNTAIN AVE, SUITE 150
Loveland, CO 80538
  • Reassigned Medicare billing, Colorado enrollment
  • 2,596 clinicians in this Medicare group
NPI 1366763260 (970) 624-4420

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 80634 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
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
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 9

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

DR. JENNA CALE ADAMS MD
Obstetrics & Gynecology
5881 W 16TH ST STE B
GREELEY, CO 80634
Weld County (970) 336-1500
JASMINE MARIE SOO GREER
Obstetrics & Gynecology
5881 W 16TH ST STE B
GREELEY, CO 80634
Weld County (709) 336-1500
JENNIFER LOUISE KUTCHER D.O.
Obstetrics & Gynecology
5881 W 16TH ST STE B
GREELEY, CO 80634
Weld County (970) 336-1500
POUDRE VALLEY MEDICAL GROUP, LLC
Obstetrics & Gynecology
5881 W 16TH ST STE B
GREELEY, CO 80634
Weld County (970) 652-2235
REBECCA A HORNUNG RN
Nurse Practitioner (Women's Health)
5881 W 16TH ST STE B
GREELEY, CO 80634
Weld County (970) 336-1500
AMANDA N. LAWRY CNM
Advanced Practice Midwife
5881 W 16TH ST STE B
GREELEY, CO 80634
Weld County (970) 336-1500
GEOFFREY ALLEN RYAN DO
Pediatrics
5881 W 16TH ST STE B
GREELEY, CO 80634
Weld County (970) 652-2235
ANGELA MARIE MODIN PA-C
Physician Assistant
5881 W 16TH ST STE B
GREELEY, CO 80634
Weld County (970) 652-2235

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 Madison Zenk's NPI number?

The NPI number for Madison Zenk is 1710636279. It was assigned to this individual provider in the NPPES registry on March 22, 2022. The provider is also known as Maddie Claire Zenk.

Where is Madison Zenk located?

Madison Zenk practices at 5881 W 16th St Ste B, Greeley, CO 80634. The listed phone number is (970) 652-2235.

What is Madison Zenk's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Madison Zenk enrolled in Medicare?

Yes. Madison Zenk is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Madison Zenk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Madison Zenk reassigns Medicare benefits to Poudre Valley Medical Group, LLC (Loveland, CO). The 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 Madison Zenk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Madison Zenk accept?

Health plans from Select Health list Madison Zenk 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 Madison Zenk was last updated on July 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.