Live
Read more

About

ENT & Sinus Center is a private ENT (ear, nose, and throat) practice based in Rancho Cucamonga, California, with three offices in California. Led by otolaryngologist Henry H. Nguyen, M.D., the center focuses on patient-centered care for head and neck conditions. Key details: - Locations: 8241 Rochester Ave Suite 130, Rancho Cucamonga, CA 91730 (and additional Rancho Cucamonga and San Bernardino addresses) - Phone: 909-466-8400 (main) / 909-466-8410 - Services: ENT specializes in diseases and disorders of the head and neck (ear, nose, throat, sinus) - About: Based in San Bernardino, with Rancho Cucamonga presence, private practice status - Website: entsinuscenter.com If you’re looking for the Rancho Cucamonga home page for ENT & Sinus Center, you can visit their site for appointment scheduling and service details.

Clinic Type

Ear, Nose and Throat (ENT)

Address

Rancho Cucamonga, CA

Phone

909-466-8400

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Ear, Nose and Throat care
  • Allergy testing and treatment
  • In-office CT scanning
  • Comprehensive allergy testing
  • Balloon sinuplasty
  • Chronic sinusitis treatment
  • Sinus infection treatment
  • Voice disorders
  • Sleep apnea
  • Hearing loss
  • Nasal congestion
  • Septoplasty
  • Deviated septum treatment
  • Nasal polyps treatment
  • Expert allergy treatment
  • Allergy treatment
  • Allergy testing
  • Allergy drops

Technology & Equipment

  • In-office CT scanning
  • Balloon sinuplasty
  • Allergy testing equipment

Team

  • Henry H. Nguyen, MD — MD
  • Deborshi Roy, MD — MD
  • Emily Hays, MS/PA-C — PA-C
  • Shelby Elsasser, PA-C — PA-C
  • Madelyn Larson, PA-C — PA-C
  • McKenna — Staff

Insurance & Payment

Phone scheduling, Online scheduling, In-person scheduling

Languages Spoken

  • English

FAQs

What conditions do you treat?

Chronic allergies, sinusitis, voice disorders, sleep apnea, hearing loss, nasal congestion.

What procedures are offered?

Minimally invasive procedures including balloon sinuplasty.

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Birdeye (Aggregate): 4.7/5 stars (758 reviews)
  • Yelp / MapQuest: Varies (generally mixed) (86 (Yelp) / 71 (MapQuest))
  • Healthgrades: 3.1/5 stars (22 ratings (Dr. Henry Nguyen profile))

Patients praise

  • Professional and knowledgeable medical staff/doctors
  • Positive surgical and treatment outcomes
  • Welcoming and helpful office staff in some experiences
  • Thorough and informative patient care from physicians

Common complaints

  • Difficulty scheduling appointments and long wait times
  • Concerns regarding billing, insurance, and copayments
  • Reports of poor communication or unresponsiveness from office staff
  • Experiences of rushed appointments

"I would like to thank Dr. Roy Deborshi and all his staff at the clinic for the great experience I had with them. Dr. Deborshi performed a sinus surgery for me, I was in and out within three hours at the maximum."

Birdeye Review

"Dr. Nguyen is a great Dr. , but his front office never answers the phone and lets all call go to VM."

Healthgrades Review

"Horrible office Staff and bad Communication No Directions on exactly what you need to do after your Procedure Terrible!!"

Yelp/MapQuest 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.

More ear, nose and throat (ent) clinics in Rancho Cucamonga

Inland ENT

4.7(884)
Rancho Cucamonga, CA·Ear, Nose and Throat (ENT)

Inland Ear Nose and Throat A Medical Group Inc is a small medical practice specializing in ear, nose, throat, and facial plastic services, based in Upland, California. Key details: - Location: 1030 E Foothill Blvd, Upland, CA 91786 (two offices listed in Upland) - Services: ENT care and facial plastics - Founded: 1978 - Contact: info@inlandent.com; phone numbers 909-464-1006 and 909-981-5859 - Size: 1 employee (small practice); growth noted (+200% YoY) - Web presence: inlandent.com; monthly visits ~2,124 - Region served: predominantly United States, with most activity in the U.S. and minor presence in Hungary Relevance to Inland ENT Rancho Cucamonga: The provided location is in Upland, CA, not Rancho Cucamonga. If you’re seeking ENT services specifically in Rancho Cucamonga, you may want to verify if Inland ENT has a nearby office or consider nearby ENT providers in Rancho Cucamonga.

VerifiedSince 1978
Rancho Cucamonga, CA·Ear, Nose and Throat (ENT)

Summary: - Loma Linda University Medical Center (LLUMC) is a nonprofit academic medical center and the region’s only Level 1 trauma center, part of Loma Linda University Health. - It operates multiple facilities (including LLUCH and LLUBMC) and provides large-scale programs in neonatal care, outpatient surgery, and innovative treatments (notably infant heart transplantation and proton therapy for cancer). - LLUMC serves more than 33,000 inpatients and about 0.5 million outpatients annually, with a broad footprint across California and a presence in several countries through LLU Health. - If your focus is ENT (Otolaryngology – Head & Neck Surgery) at Loma Linda, this page confirms LLUMC as a core teaching and clinical hub within LLU Health, but specific ENT services, faculty, and locations (e.g., Rancho Cucamonga) are not detailed on the provided content. For ENT details in Rancho Cucamonga, you may need to search LLU Health ENT directory or contact LLUMC for the nearest ENT clinic.

VerifiedOnline booking

See all ear, nose and throat (ent) clinics in Rancho Cucamonga

Comparing your options?

See other ear, nose and throat (ent) clinics in Rancho Cucamonga, or search the full directory by insurance, ratings, and more.

More Ear, Nose and Throat (ENT) Clinics