MercyOne

Nephrology • Mason City, IA • Since 1998

About

MercyOne Mason City offers kidney (nephrology) care within its broader MercyOne health system. While the page highlights MercyOne as a nonprofit, Catholic-affiliated network based in Des Moines, it also lists general services in orthopedics and cardiology, online access to medical records, and patient resources. Specific details about nephrology/kidney care at MercyOne Mason City are not provided in the excerpt. For precise kidney care options, schedule a nephrology appointment or contact MercyOne Mason City directly.

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Clinic Type

Nephrology

Address

Des Moines, IA 50314, US

Phone

563-421-4280

Email

todd.mizener@mercyone.org

Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://www.mercyone.org/northiowa/services/kidney-care

Services Offered

Kidney care (nephrology) services in inpatient hospital and outpatient clinical settings
Dialysis services

Team

Paul Y. Shin, MD — MD Nephrology
Cristina Pasarin, MD — MD Nephrology
Prince Singh, MD — MD Nephrology
Anis Ansari, MD — MD Nephrology
Yuvaraj Thangaraj, MD — MD Nephrology
Mark Hong, MD — MD Nephrology
Ashley Matern, ARNP — ARNP Nephrology
Connie Kramer, NP — NP Nephrology
Lisa Quigley, ARNP — ARNP Nephrology

Insurance & Payment

—

Languages Spoken

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Social Media

Twitter Youtube Facebook Linkedin Instagram

Photos

What Patients Say

Overall sentiment across review platforms: very positive

Ratings.MD (Ashley Matern, ARNP): 4.9 out of 5 (136 verified ratings)
Ratings.MD (Yuvaraj Thangaraj, MD): 4.9 out of 5 (45 verified ratings)
MercyOne Patient Experience Surveys (Lisa Quigley, ARNP): Not explicitly quantified, but high volume of positive reviews (44 reviews)

Patients praise

Clear explanations of lab results and health conditions
Professional, caring, and compassionate staff
Takes time to listen to patient concerns and questions
Encouraging and thorough patient education
Respectful and attentive bedside manner

Common complaints

No specific negative themes or complaints found in verified patient surveys for kidney care providers at MercyOne North Iowa.

"I’m blessed to be in Ashley’s care! I trust her completely and that is worth more than I can put into words. She is not only intelligent, professional, caring, but she is present in the time she spends with you."

— Ratings.MD verified patient feedback for Ashley Matern, ARNP

"Dr. Thangaraj this the best. Very kind, caring, respectful, shows empathy and very brilliant. He always explains things very good. I would rate him as good as any nephrologist in the US."

— Ratings.MD verified patient feedback for Yuvaraj Thangaraj, MD

"Lisa is a person who treats you with respect, listens to you carefully and does not make you feel like you are wasting her time."

— MercyOne patient experience survey for Lisa Quigley, ARNP

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

In the News

MercyOne North Iowa eyes innovation amid funding challenges — Mar 28, 2026
| MercyOne — Jul 17, 2025
MercyOne takes over Mason City Clinic building | Cerro Gordo County | kimt.com — Jul 18, 2025
Mason City welcomes new MercyOne walk-in clinic for quick care | Cerro Gordo County | kimt.com — Oct 1, 2025
MercyOne to open new convenient care location in Mason City - ABC 6 News - kaaltv.com — Sep 29, 2025

Information sourced from the clinic's website as of July 11, 2026. Own this clinic? Claim or correct this listing.