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    Apex Allergy and Asthma: Mark Stahl, DO

    4.7 (12 reviews)
    Closed 8:00 am - 12:00 pm, 1:00 PM - 5:00 PM

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    1 year ago

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    Mark S.

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    1 year ago

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    3 years ago

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    3 years ago

    Dr. Stahl's attention to detail and patient care is the Gold standard. I wish all healthcare was handled in his style.

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    Mark S.

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    3 years ago

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    2 years ago

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    2 years ago

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    2 years ago

    Great Doctor and team! Everyone was so friendly and welcoming. Would highly recommend!

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    3 years ago

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    2 years ago

    Apex Allergies has a very friendly and courteous staff. Dr. Stahl addressed all my concerns and listened to what I had to say.

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    3 years ago

    Great doctor and staff! I've been going here for the last couple of years and I have no complaints.

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    4 years ago

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    Ask the Community - Apex Allergy and Asthma: Mark Stahl, DO

    Review Highlights - Apex Allergy and Asthma: Mark Stahl, DO

    Stahl and the team to anyone wanting quality care from a doctor that truly cares.

    Mentioned in 8 reviews

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    Michael P Vaughn MD, PhD - Michael Vaughn PhD.MD.

    Michael P Vaughn MD, PhD

    4.4(21 reviews)
    7.1 miStone Oak

    I wish all doctors were as caring, empathetic, and tenacious about getting you healed as the…read moreVaughn's are.

    Where do I even begin? My experience with Alamo Asthma &…read moreAllergy has been nothing short of frustrating, disappointing, and unnecessarily burdensome. The issues began from my very first interaction and continued throughout my care. The front desk staff, in particular, consistently came across as rude, dismissive, and condescending. Every interaction felt as though I was an inconvenience rather than a patient seeking medical care. Basic courtesy and professionalism seemed to be in short supply. Beyond the customer service concerns, the office's processes are remarkably disorganized, inefficient, and outdated. There is no patient portal for communication, and orders and results are often handled through handwritten documents and mail. In an era where most medical practices have embraced streamlined digital communication, this office appears stuck decades in the past. My initial treatment experience was mishandled from the start due to incorrectly processed paperwork, resulting in unnecessary trips to the office. For me, that means a 20-mile commute that can take anywhere from 45 to 60 minutes depending on traffic. After receiving injections, I experienced a severe adverse reaction. Despite the circumstances, I received no assistance in recovering the money I had paid for medication that was still sitting unused in their refrigerator. Over the course of my treatment, I have undergone extensive testing through this office. Most recently, I was instructed to schedule an appointment simply to pick up a testing kit. I arrived for the appointment only to discover the kit wasn't ready. I had to drive home, return later, and then drive home again--wasting hours of my time. When I finally went to complete the testing, I discovered that critical test tubes were missing from the kit they had provided. Communication has been equally disappointing. I requested a letter explaining my symptoms and medical condition as it relates to eating while traveling. I never received a callback regarding the request. When I finally called to follow up and simply stated my name, I was abruptly told, "She is not writing your letter!" The dismissive and unprofessional nature of that response was shocking. As a fellow healthcare provider, I was appalled by how the request was handled. As a patient, I expected at least a basic level of courtesy and respect. Ironically, while my own concerns often went unanswered, I have spent extended periods sitting in the office listening to staff discuss their personal family frustrations for 20 minutes or more without hesitation. The final straw came when I needed a results booklet that was only slightly larger than a magazine. Despite the significant distance I travel to this office and the fact that mailing it would have been a simple solution, I was told I had to make yet another trip to pick it up. With the amount of time, fuel, and inconvenience this office has already cost me, this felt like one more example of a complete lack of consideration for patients. Healthcare is stressful enough without having to navigate disorganization, poor communication, repeated administrative errors, and discourteous treatment. I am deeply disappointed in the care and service I received and will be taking my healthcare needs elsewhere. I cannot recommend this practice based on my experience.

    Apex Allergy and Asthma: Mark Stahl, DO - allergist - Updated July 2026

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