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Hematology & Oncology Specialists - Montefiore Nyack Hospital

Oncology and HematologyNyack, NY

★★★★★4.6/513 reviews across 2 platforms

Ratings by platform

  • Healthgrades (Dr. Mathew Lonberg): 4.8/5 (6 reviews) (6 reviews)
  • Healthgrades (Dr. Sung Lee): 4.4/5 (7 reviews) (7 reviews)
  • Healthgrades (Montefiore Nyack Hospital): 54% patient experience rating (N/A)

What patients say

Patients praise

  • Physicians in hematology and oncology receive generally high patient ratings for clinical expertise, compassion, and clear communication
  • Many patients highlight the thoroughness, patience, and collaborative nature of their oncology specialists

Common complaints

  • Patient complaints regarding hospital staff attitude and administrative challenges in care coordination and discharge planning
  • Concerns about complex medical decision-making and transfer processes between institutions

In patients' words

"I have been a patient of Dr. Lonberg for 31 years. He immediately diagnosed my Agent Orange related issue, suggested an experimental drug for that time and I have been in remission ever since."

Healthgrades review for Dr. Mathew Lonberg

"Dr. Lee was super patient, thorough, and was very caring. His knowledge and expertise was excellent and wasn't afraid of collaborating with his colleagues to verify and consult on his recommendations."

Healthgrades review for Dr. Sung Lee

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 11, 2026 — sources: [1][2][3][4][5][6][7][8].

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