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Cardiology - Longview

CardiologyLongview, TX

★★★★★4.7/5139 reviews across 6 platforms

Ratings by platform

  • Healthgrades - Dr. Jonathan Greifenkamp: 4.6/5 (7 reviews)
  • Healthgrades - Dr. Charles Machell: 4.8/5 (89 reviews)
  • Healthgrades/MedicalNewsToday - Dr. Ronald Scott: 4.6/5 (11-13 reviews)
  • Healthgrades/WebMD - Dr. Samir Germanwala: 4.5/5 (11-22 reviews)
  • Birdeye - Dr. Christopher Boylan: 4.9/5 (9 reviews)
  • US News - Dr. Rajeev Singh: 4/5 (12 reviews)

What patients say

Patients praise

  • Highly regarded medical expertise and diagnostic skills
  • Doctors described as compassionate, caring, and good listeners
  • Effective communication and clear explanation of medical conditions in layman's terms
  • Strong staff appreciation in certain positive reviews
  • High likelihood to recommend the providers to family and friends

Common complaints

  • Difficulty reaching office staff for test results or scheduling issues
  • Complaints about staff unprofessionalism or rudeness
  • Concerns regarding being rushed during appointments or feeling like an assembly line
  • Reports of rare but severe medical complications or lack of follow-up after procedures

In patients' words

"I am so impressed with Dr.Scott, his NP, and all his staff! ... How many doctors call on Sunday to give results?"

Healthgrades Review (Dr. Ronald Scott)

"Dr Machell punctured my moms heart during pacemaker insertion which led to extended hospital complications and he never followed up with her."

Healthgrades Review (Dr. Charles Machell)

"Dr. Germanwala is fantastic; however, getting his nurse on the phone for test results is impossible."

Healthgrades Review (Dr. Samir Germanwala)

"You run this organization like Henry Ford's assembly line. The Medical staff like Robots, no real time to breathe relax or really understand."

CHRISTUS Health Patient Review (Dr. Christopher Boylan)

How these reviews were compiled

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

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