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Clinic Type

Otolaryngology (ENT)

Address

Bartlesville, OK

Phone

314-733-8000

Email

stjohnfoundation@ascension.org

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Ear, nose and throat (ENT) care
  • Head and neck surgery
  • Facial plastic and reconstructive surgery
  • Audiology services
  • Onsite diagnostic testing for allergies
  • Allergies testing and immunotherapy
  • Ear tubes
  • Sinus surgery
  • Tonsillectomy and adenoidectomy
  • Cochlear implants screening evaluations
  • Laryngoscopy
  • Cholesteatoma
  • Frenectomy
  • Inferior nasal turbinate reduction
  • Septoplasty
  • Stapedectomy
  • Lymph node biopsy
  • Videonystagmography (vestibular workup)
  • Auditory brainstem response testing (ABR)
  • Diagnostic otoacoustic emission testing
  • Diagnostic audiometry and immittance testing
  • Robotic assisted procedures (minimally-invasive)

Technology & Equipment

  • Robotic assisted procedures
  • Audiology testing equipment
  • Cochlear implant screening equipment
  • Videonystagmography
  • ABR testing equipment
  • Diagnostic audiometry and immittance testing tools

Insurance & Payment

Languages Spoken

  • English

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Ascension Healthcare Provider Page: 4.9/5 (350 ratings for Dr. Mark A. Robertson)
  • Ascension Healthcare Provider Page: 4.9/5 (274 ratings for Dr. Charles D. Holland, Jr.)
  • Wheree: 7.8/10 (Not explicitly stated)

Patients praise

  • Thorough and compassionate care provided by physicians
  • Clear and approachable communication from doctors
  • Professional and kind nursing and administrative staff
  • Detailed explanations of conditions and treatment options

Common complaints

  • Challenges with scheduling efficiency
  • Issues with communication around appointment changes or preparation instructions

"Patients consistently express high satisfaction with this provider's care. The provider is frequently commended for their clear and approachable communication."

US News Doctor Profile for Dr. Mark A. Robertson

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: The ENT Allergy Ctr is a private hospital/otolaryngology group focused on ear, nose, throat, and allergy services, with offerings in allergy treatment, ENT care, sinus treatment, and hearing health. They provide hearing evaluations, free hearing aid consultations, digital hearing aids, and minor hearing aid repairs. Headquartered in Bay City, MI, they operate 4 offices in Oklahoma (Claremore) and have a presence in Claremore and Bay City. If you’re seeking ENT care in Bartlesville, this clinic is not located there; closest listed locations are in Claremore, OK, and Bay City, MI. For Bartlesville-specific ENT options, you may want to search for ENT providers directly in Bartlesville.

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