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About

Peak ENT and Voice Center is a private, Colorado-based ENT clinic system (headquartered in Broomfield) offering comprehensive ear, nose, and throat care. The practice emphasizes personalized, compassionate care from Dr. J. Michael King, MD, and a team of specialists across four offices (Golden, Denver, Broomfield, Brighton). Services cover a broad range of ENT disorders, with additional focus on complex laryngeal, tracheal, and esophageal conditions, as well as voice and related disorders. Contact: info@peakentandvoicecenter.com; main phone options include 720-401-2139 and 303-469-4439.

Clinic Type

Otolaryngology (ENT)

Address

403 Summit Blvd., Suite 204; 1606 Prairie Center Pkwy., Suite 370; 1030 Johnson Rd., Suite 350; 1818 N. Ogden, Suite 310

Phone

720-401-2139

Email

info@peakentandvoicecenter.com

Opening Hours

Monday – Friday; Reception hours 8 am - 5 pm; Clinic hours 7:00 am – 6:00 pm

Telehealth

Available

Services Offered

  • Ear, Nose, and Throat (ENT) care
  • Voice center
  • Sinus treatments
  • Hearing services
  • Nose and sinus clinic
  • Throat and voice disorders
  • Sleep apnea treatment
  • Inspire sleep apnea treatment (possible)
  • Sublingual immunotherapy
  • Head & neck clinic services
  • Pediatric ENT (not specified)

Team

  • J. Michael King, Board-certified otolaryngologist — MD
  • Jonathan Mills, MD, fellowship trained otolaryngologist — MD
  • Elizabeth Boscoe, MD, fellowship trained otolaryngologist — MD

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Birdeye, Healthgrades: Generally 4.6 to 4.7 stars across various aggregate review sites (Over 750 reviews listed on major aggregate platforms)

Patients praise

  • Patients frequently praise the expertise and professionalism of Dr. King and other staff members
  • High level of satisfaction with successful surgical outcomes, specifically nasal and sinus surgeries
  • Modern, clean, and impressive office facilities
  • Generally efficient scheduling and quick appointment turnaround times
  • Appreciation for thorough explanations and patient-centered decision-making processes

Common complaints

  • Some patients reported feeling dismissed by providers, particularly PAs
  • Reports of aggressive sales tactics related to hearing aids
  • Occasional dissatisfaction with lack of follow-up or perceived lack of care for specific symptoms
  • Concerns about mandatory additional appointments or tests (e.g., hearing exams) not clearly communicated upfront

"Dr. King was the first doctor who not only knew exactly how to diagnose me, but also specialized in my airway condition... I am grateful to Dr. King for treating me with care and compassion."

Official Peak ENT Testimonials page

"The PA was dismissive at best... If that didn't work, he said that there were some 'online support groups.'... Don't waste your time and go somewhere else."

Healthgrades review

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 10, 2026.

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