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Clinic Type

Internal Medicine

Address

Merit Health Medical Group - Vicksburg, Internal Medicine

Phone

(601) 636-1173

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Internal Medicine
  • Adult medicine
  • Prevention and treatment of conditions in adults
  • Chronic disease management
  • Care coordination with specialists
  • Screenings and healthy lifestyle information
  • Management of acute and chronic illnesses
  • Diagnostic evaluation and management of multiple conditions

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Birdeye (Emergency Services): 3.5/5 (687 reviews) (687)
  • Healthgrades (Dr. Yoshinobu Namihira): 4.6/5 (8)
  • Healthgrades (Dr. Samuel Pierce): 4.6/5 (10)
  • Healthgrades (Merit Health River Region): 59% recommend (facility rating) (N/A)

Patients praise

  • Physicians described as compassionate and attentive listeners
  • Positive experiences with individual primary care doctors who take time with patients
  • Helpful and kind support staff in some practices

Common complaints

  • Long wait times in emergency services and appointments
  • Concerns regarding follow-up care and clear medical answers
  • Isolated reports of perceived misdiagnosis or lack of experience with specific conditions
  • Lower-than-average patient satisfaction and recommendation rates for the facility

"He is understanding, patient and if you are offered the choice of the PA or wait for him? WAIT for him!"

Healthgrades Patient Review (Dr. Samuel Pierce)

"I do not recommend any senior citizens to him. She could have been referred to a pcp and other specialist to treat her conditions."

Healthgrades Patient Review (Dr. Yoshinobu Namihira)

"Took 4 hours just to tell me I had strep. If you’re dying and go here you’re gonna die there waiting."

Birdeye Patient Review (Emergency Services)

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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