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About

Pacific Pulmonary Medical Group is a Riverside-based medical practice (founded 2007) specializing in pulmonary, sleep, critical care, and related services. They offer pulmonary consultations, evaluation of lung masses, cardiopulmonary testing, and sleep disorder services, with resources for patients and billing affiliations. The practice employs about 25 staff, generates roughly $31.3M in annual revenue, and operates five offices in California (HQ and Riverside area; Irvine listed as a location). Not specifically tied to Fullerton in their publicly listed locations. If you’re seeking details for Fullerton, you may want to contact their main numbers or visit pacificpulm.com for confirmation of any Fullerton presence or nearby affiliates. Key contacts: info@pacificpulm.com; phone: 949-679-6874, 949-242-2772, 951-781-0365, 951-781-3672, or toll-free 800-250-2087.

Clinic Type

Pulmonology

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
  • Critical Care including Neuro Critical Care
  • Thoracic Surgery
  • Sleep Disorders
  • Pulmonary Function Testing
  • Inpatient medical care
  • Outpatient pulmonary medicine
  • Sleep medicine

Technology & Equipment

  • Lung function testing
  • Sleep studies
  • PFTs
  • Electrocardiography (implied by pulmonary care)

Team

  • Ahmed El-Bershawi, MD — MD, Physician
  • Salim Harianawala — MD
  • Ali Mojaverian — MD
  • Faraz Afridi — MD
  • Peter L. Alexander — MD
  • Mindy Bui Do — MD
  • Zeron Ghazarian — MD
  • Sonja Knittel-Hliddal — MD
  • Liliana Mendoza — DO
  • Sylvia Soo — MD
  • Samer Kanaan — MD
  • Erika Hiller — PA-C

Insurance & Payment

  • insurances-accepted page not shown
  • https://pacificpulm.com/resources/insurances-accepted/

billing page not shown, https://pacificpulm.com/resources/billing/

Languages Spoken

  • English

FAQs

What services does Pacific Pulmonary Medical Group offer?

Pulmonology, Critical Care, Thoracic Surgery, Sleep Medicine and related pulmonary services including PFTs; inpatient and outpatient care.

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Yelp: 3.5/5 (21 reviews (at specific location))
  • Vitals: 4.8/5

Patients praise

  • Compassionate and caring physicians who listen to concerns
  • Professional and helpful front-desk staff in some instances
  • Clear explanations of medical conditions and effective treatment outcomes

Common complaints

  • Difficulty communicating with office staff and long wait times for appointments
  • Technical issues, including difficulty downloading data from sleep machines or lack of necessary supplies
  • Instances of physicians being late or staff appearing overwhelmed/unresponsive
  • Concerns regarding data security and unauthorized access to personal health information

"This Place Is THE WORST. I Call To Make An App. They Call Back With A Time And Date (Not Ok'd By Me) Time Works, I Go & The Dr Is 40 Min Late When I Left."

Yelp review

"Ethan Valdez is the most amazing, caring and supportive person. He follows up on every little thing. Pacific Pulmonology is an overall great place. Everyone is helpful - and Dr G is top shelf."

LocalityBiz review

"Dr El-Bershawi is such a wonderful physician. I couldn’t ask for better! He caught something suspicious in my lungs and if it wasn’t for him, I wouldn’t be alive today."

Pacific Pulmonary Medical Group website testimonials

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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