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Clinic Type

Endocrinology

Address

10000 College Blvd., Suite 100, Overland Park, KS 66210

Phone

913-258-5055

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Endocrinology
  • Diabetes & Endocrinology

Team

  • Mini Abraham, Blue Valley Endocrinology — MD

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Healthgrades (Dr. Jeffrey Kallsen): 3.7 out of 5 (30 ratings) (30 ratings (13 with written reviews))
  • Vitals (Dr. Jeffrey Kallsen): 3.9 out of 5 (26 ratings (11 written reviews))
  • Healthgrades (Dr. John Liu): 4.5 out of 5 (2 ratings (2 written reviews))
  • WebMD (Dr. James Casey): 5.0 out of 5 (24 ratings)
  • Vitals (Dr. James Casey): 4.6 out of 5 (Not explicitly stated total count)

Patients praise

  • Strong clinical expertise and thoroughness mentioned by some patients
  • Positive experiences with communication and supportive bedside manner for select providers
  • Appreciation for clear explanations of lab results and treatment plans

Common complaints

  • Difficulty reaching office staff, non-responsive phone lines, and scheduling challenges
  • Concerns regarding bedside manner, perceived arrogance, or lack of empathy
  • Reports of inconsistent communication and sudden practice changes
  • Specific complaints about treatment approaches and medication management

"It is nearly impossible to get anyone in the office to answer a phone call or call you back. It is very frustrating that their office is closed at 3:20 on a Thursday afternoon."

Healthgrades review (Dr. Lisa Hays)

"His bedside manner is gentle, non-threatening, and caring. He is very mild mannered and puts no pressure on the patient or family."

Vitals review (Dr. James Casey)

"I strongly advise against appointments with Dr Jeffrey Kallsen."

Vitals review (Dr. Jeffrey Kallsen)

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: - AdventHealth Medical Group Endocrinology has a location in South Overland Park, Overland Park, KS, as part of AdventHealth’s network in the Kansas City area. - The South Overland Park Endocrinology site is connected to AdventHealth’s broader Kansas City area facilities, including the Bluhawk/Overland Park campus expansion and other AdventHealth locations in the region. If you need directions, hours, or appointment details for the Endocrinology practice specifically in South Overland Park, I can look up the latest contact info.

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