Summary

Dr. Mark Li is a gastroenterologist and internal medicine physician with nearly five decades of medical experience. He earned his medical degree from the University of Illinois at Chicago College of Medicine and completed his residency training at the prestigious Lahey Clinic. His extensive 48-year career has provided him with deep expertise in digestive health and comprehensive internal medicine care. Dr. Li is fluent in Chinese and Spanish, allowing him to serve diverse patient populations in their preferred languages.

Dr. Li practices at multiple locations throughout California, including Hacienda Heights, West Covina, Covina, and Whittier, with his primary affiliation at Emanate Health Queen of the Valley Hospital. He specializes in treating conditions such as colon polyps and abdominal pain, including pregnancy-related abdominal discomfort. His procedural expertise includes performing colonoscopies and lower gastrointestinal endoscopies to diagnose and treat digestive disorders. Patients have given him an average rating of 2.4 on Vitals.
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Overview based on verified provider data

Quick Facts

  • 2.4
  • 48 years of experience
  • 61 insurance plans accepted
  • speaks Chinese, Spanish
  • Lahey Clinic
  • 10 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 4 office locations
  • Male

Patients’ Perspective

  • Spent time with me

Office Locations

Dr. Mark W Li has 4 locations

Li Mark W Office

2440 S Hacienda Blvd Ste 105Hacienda Heights, CA 91745
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Emanate Health Queen Of The Valley Hospital

1115 S Sunset AveWest Covina, CA 91790

Inter Community Hospital

210 W San Bernardino RdCovina, CA 91723

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Dr. Mark W Li, MDRebecca Humphries, APRNRachel Oliver, APRNJi Soo Choi, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
2.4 
48 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Chinese, Spanish Speaks English Speaks English Speaks English
Hacienda Heights , CASacramento , CASacramento , CASacramento , CA
Med School: University Of Illinois At Chicago College Of Medicine Med School: Emory University Med School: University of South Alabama Med School: New York University
Current Profile
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Insurance Plans Accepted by Dr. Mark W Li

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare (Advantage HMO)
  • Alignment Health Plan
  • AltaMed Senior BuenaCare (PACE)
  • Ambetter - HMO
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Arizona
  • Blue Cross Blue Shield of North Dakota
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Brand New Day
  • Bright Health
  • CalOptima
  • CareFirst Blue Cross Blue Shield
  • CareMore
  • CenCal Health
  • Central California Alliance for Health
  • Chinese Community Health Plan
  • Cigna
  • Commonwealth Care Alliance
  • Contra Costa Health Plan
  • Health Alliance
  • Health Net
  • Health Net - HMO
  • HealthFirst (NY)
  • HealthPartners
  • Humana
  • Humana - HMO
  • Inland Empire Health Plan
  • Kaiser Permanente
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • L.A. Care Health Plan - Medicaid (Managed)
  • L.A. Care Health Plan - Medicare (Advantage HMO)
  • Magellan Health
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Mercy Care
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - Medicare (Advantage HMO)
  • Nippon Life Benefits
  • Optum Health
  • Oscar Health Insurance
  • Piedmont Community Health Plan
  • Premera Blue Cross
  • Premier Health Plan
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare (Advantage HMO)
  • UnitedHealthcare - PPO
  • Wellcare

Medical Specialties

Dr. Mark W Li has the following 2 specialties

Specialty Expertise

Dr. Mark W Li has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

48 Years Experience

Dr. Mark W Li holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2027.

Education & Training

Residency

Completed their residency at Lahey Clinic.

Medical School

Graduated from University Of Illinois At Chicago College Of Medicine in 1978.

NPI Number

Dr. Li's NPI number is 1356375059.

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Frequently Asked Questions

What languages does Dr. Mark Li speak?
Dr. Mark Li speaks Chinese and Spanish.
Is Dr. Mark Li accepting new patients?
Dr. Mark Li has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Mark Li accept my insurance?
You can see the insurance plans that Dr. Mark Li accepts on their Vitals profile.
Does Dr. Mark Li accept virtual/telehealth appointments?
Dr. Mark Li has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Mark Li?
You can find contact information for Dr. Mark Li here on Vitals.

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