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About

Pacific Pulmonary Medical Group is a Riverside-based medical practice specializing in pulmonary and sleep medicine, with five US offices including Irvine. Key details: - Services: pulmonary consultations, sleep disorder services, evaluation of lung masses, cardiopulmonary testing, sleep center services. - Headquarters: Riverside, CA; Irvine office location implied among 5 US offices. - Founded: 2007; Private partnership with ~25 employees. - Revenue: about $31.3M annually. - Contact: main phone numbers and email (info@pacificpulm.com). - Focus: high-quality patient care in pulmonary disease, critical care, and sleep medicine; patient resources and billing affiliations available. - Online presence: pacificpulm.com; moderate web traffic; employer rating ~3.2/5 from 12 reviews.

Clinic Type

Pulmonary Disease

Address

4234 Riverwalk Parkway, Suite 230, Riverside, CA 92505; New Location 4 Hughes, Suite 100, Irvine, CA 92618

Phone

951-781-3672 / 949-679-6874 ( Irvine)

Email

info@pacificpulm.com

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Pulmonology
  • Sleep Medicine
  • Critical Care
  • Thoracic Surgery
  • PFTs (Pulmonary Function Testing)
  • Inpatient medical care
  • Outpatient pulmonary medicine
  • Sleep medicine

Technology & Equipment

  • Pulmonary Function Testing (PFT)
  • Sleep Medicine diagnostic/sleep studies
  • Hospital-based pulmonary/critical care services

Team

  • Ahmed El-Bershawi — MD, Pulmonology/Critical Care
  • Salim Harianawala — MD, Pulmonology
  • Ali Mojaverian — MD, Pulmonology
  • Faraz Afridi — MD, Pulmonology
  • Peter L. Alexander — MD, Thoracic Surgery/ Pulmonology
  • Mindy Bui Do — MD, Pulmonology
  • Zeron Ghazarian — MD, Pulmonology
  • Sonja Knittel Hliddal — MD, Pulmonology
  • Mindy Bui Do — MD, Pulmonology
  • Liliana Mendoza — DO, Pulmonology

Insurance & Payment

  • https://pacificpulm.com/resources/insurances-accepted/

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Yelp, LocalityBiz: mixed; includes both 5-star positive reviews and 1-star negative reviews (not explicitly stated, but multiple reviews are visible across platforms like Yelp and localitybiz.com)

Patients praise

  • praise for knowledgeable and experienced physicians
  • positive feedback on telemedicine accessibility and diagnostic efficiency
  • some patients report helpful and professional front-desk staff

Common complaints

  • reports of disorganized office management and staff issues
  • complaints regarding lost medical documents and poor customer service by staff
  • class action litigation regarding a data breach involving protected health information

"Disorganized medical group where they will lose your medical documents! Horrible customer service, I wish they replace their staff."

LocalityBiz (Review by Jung Park)

"From IZzy who set my appointment to The friendly Manager Sherry and Dr Mojaverian, who explained everything and listened to me."

Yelp

"Plaintiff fears for his personal financial security and uncertainty over what medical information was revealed in the Data Breach."

Class action complaint regarding a February 2024 data breach

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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Orange County Lung Center is a small outpatient pulmonary care provider based in Fullerton, California, serving patients in Los Angeles and Orange counties. key details: - Focus: Pulmonology and related outpatient services (pulmonary medicine, sleep disorders, critical care). - Location: Headquarters in Fullerton, CA; serves the broader Los Angeles/Orange County area. - Contact: Phone numbers listed (562) 445-4140 and (714) 481-0172. Email shown as filler@godaddy.com (nonstandard for a clinic; verify before contacting). - Web presence: Website oclungcenter.com; modest online footprint with about 1,215 monthly visits, bounce rate ~0.4%, ~2.1 pages per visit; global rank ~11.2 million (low visibility). - Workforce: Single employee noted (very small operation), with no clear clinical staffing details. - Notable: The page suggests an emphasis on outpatient services and pulmonary care; lacks detailed physician bios or COPD-specific information. If you’re seeking a pulmonologist in Irvine or nearby for COPD management, this center may offer basic outpatient pulmonary services, but consider confirming credentials, available specialists, and current contact methods directly due to limited publicly listed information.

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