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MACKEN YRUN-DUFFY DO
NPI 1649854605
Pediatrics in Tucson, AZ

Active since May 06, 2021PECOS Enrolled
1501 N CAMPBELL AVE, TUCSON, AZ 85724(520) 626-7432 Get Directions Write a Review

NPPES record last updated: January 23, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 23, 2026, May 6, 2021 (2 updates tracked since 2021).

About Macken Yrun-duffy Do NPPES

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

MACKEN YRUN-DUFFY DO (NPI 1649854605) is an individual pediatrics provider in Tucson, Arizona, licensed in Arizona (R3526) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649854605
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameMACKEN YRUN-DUFFYCredential: DO
Location Address1501 N CAMPBELL AVETucson, AZ 85724-0001
Mailing AddressPo Box 245073Tucson, AZ 85724-0001 · (520) 626-7432
Phone(520) 626-7432
Sole ProprietorYes
Enumeration DateMay 6, 2021
Last NPPES UpdateJanuary 23, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 23, 2026
✔ NPI 1649854605 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in AZ · R3526✔ Licensed in AZ · 011168
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.
1501 N CAMPBELL AVE, Tucson, AZ 85724
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Macken Yrun-duffy Do 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85724 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.

MR. DOUGLAS FRANK LARSON PH.D.
Perfusionist
1501 N CAMPBELL AVE, SUITE 4402 ARIZONA HEALTH SCIENCE CENTER
TUCSON, AZ 85724
Pima County (520) 626-6339
MARTIN DEMANT
Pediatrics
1501 N CAMPBELL AVE
TUCSON, AZ 85724
Pima County (520) 626-6507
STEPHANIE RUNKE MD
Obstetrics & Gynecology
1501 N CAMPBELL AVE
TUCSON, AZ 85724
Pima County (520) 694-2530
ASHLEY AZIZI ASSADI MD
Pediatrics
1501 N CAMPBELL AVE
TUCSON, AZ 85724
Pima County (520) 626-7944
STUART HAMEROFF MD
Anesthesiology
1501 N CAMPBELL AVE
TUCSON, AZ 85724
Pima County (520) 694-8888
JOHN GUISTO MD
Emergency Medicine
1501 N CAMPBELL AVE
TUCSON, AZ 85724
Pima County (520) 874-3500
BALDASSARRE STEA MD, PHD
Radiology (Radiation Oncology)
1501 N CAMPBELL AVE
TUCSON, AZ 85724
Pima County (520) 694-7236
NAOMI E RANCE MD, PHD
Pathology (Neuropathology)
1501 N CAMPBELL AVE
TUCSON, AZ 85724
Pima County (520) 874-7400

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 Macken Yrun-duffy's NPI number?

The NPI number for Macken Yrun-duffy is 1649854605. It was assigned to this individual provider in the NPPES registry on May 6, 2021.

Where is Macken Yrun-duffy located?

Macken Yrun-duffy practices at 1501 N Campbell Ave, Tucson, AZ 85724. The listed phone number is (520) 626-7432.

What is Macken Yrun-duffy's specialty?

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

Is Macken Yrun-duffy enrolled in Medicare?

Yes. Macken Yrun-duffy is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Macken Yrun-duffy was last updated on January 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.