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About

Ontario Advanced Surgery Center (Ontario, CA) is a small healthcare facility focused on providing quality care in a safe, family-friendly environment with advanced technology and specialized equipment. Key details: - Location: Ontario, California - Services: Advanced surgical procedures in a patient-centric setting; emphasizes a seamless, safe experience for patients - Team: 3 employees (minimal staff; small center) - Contact: 866-989-9046 or 909-981-8755 - Online presence: Website ontarioadvancedsurgerycenter.com; LinkedIn presence - Accessibility and care focus: Describes itself as offering a safe environment with advanced technology and specialized equipment Note: The provided highlights do not specify pain management as a dedicated service line. If you’re seeking pain management under Ontario Advanced Surgery Center, you may want to contact them directly or check their website for information on pain management services, anesthesia options, postoperative pain protocols, and whether they offer procedures that commonly involve pain management plans.

Clinic Type

Pain Management (multi-location group)

Address

250 West Bonita Avenue Suite 160 Pomona, CA 91767; 1330 San Bernardino Road Suite B Upland, CA 91786

Phone

909-625-0615; 909-593-1004; 909-981-0608; 909-982-5327

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

Team

  • Lee, Bryan X., MD — Pain Management Physician
  • Suelzle, Gregory K., MD — Pain Management Physician

Insurance & Payment

Languages Spoken

FAQs

What is the Pain Management clinic's contact number?

909-625-0615; 909-981-0608

What are the office addresses?

250 West Bonita Avenue Suite 160 Pomona, CA 91767; 1330 San Bernardino Road Suite B Upland, CA 91786

Social Media

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Yelp: Approximately 3.8 to 4.0 out of 5 stars (25 to 30 reviews mentioned across platforms like Yelp)

Patients praise

  • Attentive and supportive nursing staff
  • Clean and professional environment
  • Helpful billing and insurance handling
  • Clear communication from doctors regarding care and recovery

Common complaints

  • Some patient comments express concern about unprofessional behavior by visitors or authorities in the vicinity of the facility, though these appear unrelated to medical care quality

"The nurses were super helpful and supportive, answering all our concerns and watching over my mom as she was coming out of..."

Yelp review via MapQuest

"I loved this office will def become a regular , staff is really helpful and take pride in their work facility is clean and professional"

Yelp review via MapQuest

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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