Summary

Dr. Mark Shields is a board-certified internal medicine physician with 34 years of experience caring for adult patients. He earned his medical degree from the Keck School of Medicine at the University of Southern California and completed his residency training at Huntington Memorial Hospital. Dr. Shields is fluent in both English and Spanish, allowing him to serve a diverse patient community.

Dr. Shields practices at MemorialCare Saddleback Medical Center in Laguna Hills, California. He specializes in managing high blood pressure and related cardiovascular conditions. His experience includes treating hypertensive emergencies and providing comprehensive blood work analysis through complete blood counts and metabolic panels. Patients rate Dr. Shields 4.5 out of 5 stars on average for his compassionate care and clinical expertise.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.5
  • 34 years of experience
  • 40 insurance plans accepted
  • speaks English, Spanish
  • Huntington Memorial Hospital
  • 13 written reviews
  • 1 specialty
  • 8 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Mark David Shields has 4 locations

Saddleback Medical Group Inc

24221 Calle de La Louisa # 200Laguna Hills, CA 92653
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

Saddleback Medical Group Inc

24221 Calle de la LouisaLaguna Hills, CA 92653
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Memorialcare Saddleback Medical Center

24451 Health Center DrLaguna Hills, CA 92653

Saddleback Medical Group Inc

24221 Calle de la Louisa Ste 400Laguna Hills, CA 92653
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Mark David Shields, MDKarthikeyan Viswanathan, DODr. Daniel Benhuri, MDDr. Adama Diarra, DO
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
34 Years of Experience 12 Years of Experience 8 Years of Experience 14 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English, Tamil Speaks English Speaks English, French, Bambara
Laguna Hills , CAPalo Alto , CABeverly Hills , CATigard , OR
Med School: Keck School Of Medicine Of The University Of Southern California Med School: Bassett Medical Center - Cooperstown, New York Med School: Icahn School of Medicine at Mount Sinai Med School: Arizona College of Osteopathic Medicine
Current Profile
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Insurance Plans Accepted by Dr. Mark David Shields

  • Accepts Medicaid
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare
  • Aetna - PPO
  • Alignment Health Plan - HMO
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • BLUE CROSS of CALIFORNIA - PPO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • CalOptima
  • Cigna
  • Cigna - PPO
  • First Health (Coventry Health Care)
  • Harvard Pilgrim Health Care
  • Health Alliance
  • Health Net - HMO
  • Humana
  • Kaiser Permanente
  • Magellan Health
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • Meritain Health
  • Nippon Life Benefits
  • Optum Health
  • Optum Health - IPA
  • Oscar Health Insurance
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - PPO

Medical Specialties

Dr. Mark David Shields has the following specialty

Specialty Expertise

Dr. Mark David Shields has the following 8 areas of expertise

  • Check-up
  • Geriatric Medicine
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

34 Years Experience

Dr. Mark David Shields 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 Huntington Memorial Hospital.

Medical School

Graduated from Keck School Of Medicine Of The University Of Southern California in 1992.

NPI Number

Dr. Shields' NPI number is 1366411555.

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Frequently Asked Questions

Where is Dr. Mark Shields's office located?
Dr. Mark Shields's office is located at 24221 Calle de La Louisa # 200, Laguna Hills, CA, 92653.
Is Dr. Mark Shields accepting new patients?
Dr. Mark Shields is accepting new patients on Vitals. View Dr. Mark Shields's profile on Vitals to make an appointment.
Does Dr. Mark Shields accept virtual/telehealth appointments?
Dr. Mark Shields 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 Shields?
You can find contact information for Dr. Mark Shields here on Vitals.
What languages does Dr. Mark Shields speak?
Dr. Mark Shields speaks English and Spanish.

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