
Primary Care, Internal Medicine, Sleep Medicine, and Pulmonary Disease Medicine Specialists
PATHWAY SLEEP CENTER
Accredited Sleep Center by American Academy of Sleep Medicine
Westminster Office
Address: 7955 Westminster Blvd
Westminster, CA 92683
Corner of Westminster Blvd and Beach Blvd
Phone: (714) 379-3221
Email:pathwaywest@pathwaymedicalgroup.com
Pathway Medical Group is the preferred choice for exceptional Primary Care, Internal Medicine, Pulmonary Disease Medicine and Sleep Medicine services.
Call or Email us to Request an Appointment
Primary Care & Internal Medicine Services:
- Annual Checkups and Physicals
- Preventive Care
- Diagnosis and Treatment for Common Illnesses
- Chronic Disease Management
- Medication Management
- Referrals to Specialists
Sleep Medicine Services:
- Overnight Home Sleep Studies
- Pathway Sleep Center-Westminster
- Sleep Apnea Evaluation and Treatment
- CPAP/BiPAP Therapy Management
- Sleep Disorders:
Insomia
Narcolepsy
Restless Leg Syndrome
And other Sleep Disorders
Contact us today to schedule an appointment.
Pathway Medical Group takes pride in providing comprehensive, personalized primary care services. Including various aspects of pulmonary care, including:
Pulmonary Disease Services:
- Full Pulmonary Function Testing
- Spirometry
- Pulse Oximetry
- Nebulizer Treatment
Providers

Khaled Chan, MD
Khaled Chan, MD, is Board Certified in Sleep Medicine, Pulmonary Diseases, Critical Care Medicine and Internal Medicine. He earned his Medical Degree from Damascus School of Medicine in Syria. He joined Pathway Medical Group in 2004 and sees patients in the office, hospital, and nursing homes. He is fluent in English and Arabic
Khaled Chan, M.D., is the Medical Director of
the ‘Pathway Sleep Center’.

Victoria Greblya, MD
Victoria Greblya, MD, is Board Certified in Internal Medicine. She earned her Medical Degree at First Moscow Medical School in Russia. She joined Pathway Medical Group in 1999. She is fluent in English and Russian.
Aruna Krishnaswamy, MD
Aruna Krishnaswamy, MD, is Board Certified in Internal Medicine. She earned her Medical Degree at Topiwala National Medical College in India. She joined Pathway Medical Group in 2019. She is fluent in English and Hindi.

Winnie Tran, NP
Winnie Tran, NP, is Board Certified by the ANCC. She earned her Master of Science in Family Nurse Practitioner at University of Southern California Los Angeles in California. She joined Pathway Medical Group in 2020 and sees patients in the office, hospital and nursing homes. She is fluent in English and Vietnamese.
Dzung (Jack) Nguyen, NP
Dzung Nguyen, NP, is Board Certified by ANCC. He earned his Master of Science in Family Nurse Practitioner at California State University Long Beach in California. He joined Pathway Medical Group in 2019 and sees patients in the office, hospital and nursing homes. He is fluent in English and Vietnamese.

Hiroko Moriguchi, NP
Hiroko Moriguchi, NP, is Board Certified by ANCC. She earned her Master of Science in Adult Geriatric Nurse Practitioner at California State University Long Beach in California. She joined Pathway Medical Group in 2015 and sees patients in the hospital and nursing homes. She is fluent in English and Japanese.

Ronald Kaufmann, PA-C
Ronald Kaufmann, PA-C, is Board Certified by NCCPA. He earned his Master of Science in Physicians Assistant Studies at Central Michigan University in Michigan. He joined Pathway Medical Group in 2008 and sees patients in the hospital.

Allison Hallinan, PA-C
Allison Hallinan, PA-C, is Board Certified by NCCPA. She earned her Master of Science in Physicians Assistant Studies at Western University of Health Sciences in Califronia. She joined Pathway Medical Group in 2015 and sees patients in the hospital.




