Fremont, CA Nephrologists | Sutter Health Doctors
Nephrology • Fremont, CA
Clinic Type
Nephrology
Address
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Phone
855-398-1633
S3ContactCenterCBO@sutterhealth.org
Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
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Insurance & Payment
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Languages Spoken
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Social Media
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- Sutter Health Profile (Dr. Shalini Sundar): 4.9/5 (75 reviews)
- Healthgrades (Dr. Peter Lunny): 4.5/5 (2 reviews)
- WebMD (Dr. Jeanie Ahn): 3.0/5 (17 ratings)
Patients praise
- Professional and knowledgeable medical care
- Attentive and clear explanations
- Efficient staff and scheduling experiences
- Effective monitoring of chronic conditions
Common complaints
- Difficult scheduling and cancellations
- Perceived lack of care or urgency from some providers
- Communication issues (rude bedside manner, not listening)
- Financial concerns regarding unnecessary testing or billing practices
"He listens extremely well to all your concerns and problems. He explains things to you well and makes sure you understand what he is saying before you leave."
— Healthgrades (Dr. Peter Lunny)"Dr. Ahn didn’t care to review my info for the whole month, until the very last moment. She was not sorry. Now I don’t want to see her at all."
— WebMD (Dr. Jeanie Ahn)Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].
In the News
- Sutter Health Brings Advanced Kidney Care to Fremont | Vitals — Nov 19, 2025
- Dr. Eric J Lai | Nephrologist in Castro Valley, CA | Sutter Health — Apr 7, 2026
- Dr. Johan Winoto | Nephrologist in Elk Grove, CA | Sutter Health — Jun 12, 2026
- Dr. Gladys Balderama | Internal Medicine Doctor in Fremont, CA | Sutter Health — Jun 12, 2026
- Dr. Nancy Serpa | Family Doctor in Fremont, CA | Sutter Health — Jun 24, 2026
Information sourced from the clinic's website as of July 10, 2026.
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