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About

Summary: Northern Nevada Medical Center (NNMC) is part of the Northern Nevada Health System, owned by Universal Health Services. NNMC is a 108-bed acute care hospital located at 2375 E. Prater Way, Sparks, NV. The system focuses on quality, accessible care with access to advanced diagnostic and treatment technologies. NNMC is Joint Commission accredited and licensed in Nevada. For cardiology-specific care or to find a doctor, NNMC/Sparks location is the relevant site within the Northern Nevada Health System. If you need a cardiologist at NNMC Sparks, you would search for the Cardiology department or “Find a Doctor” at NNMC Sparks to view cardiologists affiliated with this hospital.

Clinic Type

Cardiology

Address

6500 Longley Ln, Reno, Nevada 89511, US

Phone

7753566662

Email

NNMCCivilRights@uhsinc.com

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

Team

  • Letitia Anderson, MD — MD
  • Joseph Stevenson, DO — DO
  • Juan Rodriguez Reyes, MD — MD
  • Sri Challapalli, MD — MD
  • Preston Peterson, APRN — APRN
  • Waddy Gonzalez Diaz, MD — MD
  • Thomas Nylk, MD — MD
  • Jeffrey JJ Myatt, PA-C — PA-C
  • Kosta Arger, MD — MD

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Zocdoc: 4.97/5 (94)
  • U.S. News & World Report (Hospital): 89% recommendation rate (N/A)
  • RateMDs (Doctors at Facility): 3.3/5 (18)

Patients praise

  • High patient recommendation rates for the hospital facility
  • Positive experiences with clinical outcomes and surgical procedures
  • Praise for the kindness and professionalism of nursing and medical staff during critical care
  • Efficient emergency response and diagnostic processes for cardiac issues

Common complaints

  • Complaints regarding administrative staff, specifically rudeness and unprofessionalism
  • Frustration with scheduling, long wait times, and system management issues
  • Concerns over a perceived focus on profit over patient care

"The entire medical group is so focused on profit instead of patient care and they just can’t even get their basic systems together."

LocalityBiz review

"I could have died if they had not taken my pain seriously when I first arrived at NNMC’s emergency department. I am truly grateful for the teams at both hospitals and the care they showed me."

Northern Nevada Health patient story

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

Information sourced from the clinic's website as of July 11, 2026.

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Summary: Northern Nevada Health System (NNHS) provides primary and specialty care through Northern Nevada Medical Group, with a focus on quality, convenient healthcare in Reno/Sparks. The system operates two acute care hospitals in Sparks and Reno: - Northern Nevada Medical Center: 108-bed acute care in Sparks (2375 E Prater Way) - Sierra Medical Center: 170-bed acute care in Reno (6500 Longley Lane) NNHS is owned by a subsidiary of Universal Health Services, Inc. It is Joint Commission accredited and licensed in Nevada. The organization employs about 235 staff and is headquartered in Reno, NV, founded in 1983. Location details include three offices in the United States, with primary sites in Sparks and Reno, NV.

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