Summary

Dr. David Trefflich is an internal medicine physician who earned his medical degree from the University of California Irvine College of Medicine. With 13 years of experience in practice, he specializes in providing comprehensive care for adult patients with a focus on managing chronic conditions and preventive health.

Dr. Trefflich practices at Marian Regional Medical Center in Santa Maria, California. He treats patients with high cholesterol and diabetes, including adolescents and young adults with these conditions. His practice includes performing routine blood work such as complete blood counts and kidney function tests to monitor patient health. Patients have given him an average rating of 5.0 on Vitals, reflecting his commitment to quality care.

AI-generated from data on this provider profile.

Quick Facts

  • 5
  • 13 years of experience
  • 30 insurance plans accepted
  • University Of California Irvine College Of Medicine
  • 15 written reviews
  • 1 specialty
  • 1 office location
  • Male

Patients’ Perspective

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

Office Location

Marian Regional Medical Center

1400 E Church StSanta Maria, CA 93454

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Dr. David Kenneth Trefflich, MDEric HarkerDr. Shilpa Sayana, MDDr. Alaa Hajal, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
3.9 
4.7 
13 Years of Experience 25 Years of Experience 22 Years of Experience 15 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English
Santa Maria , CALyons , COSHERMAN OAKS , CADiamond Bar , CA
Med School: University Of California Irvine College Of Medicine Med School: Duke University School Of Medicine Med School: The Robert Larner Md College Of Medicine At The University Of Vermont Med School: University Of Damascus Faculty Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. David Kenneth Trefflich

  • Aetna
  • Anthem Blue Cross
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Tennessee
  • BLUE CROSS of CALIFORNIA
  • Blue Shield of California
  • CenCal Health
  • CenCal Health - Medicaid (Managed)
  • Central California Alliance for Health
  • Cigna
  • HealthSmart
  • HealthSmart - EPO
  • HealthSmart - PPO
  • HFN
  • Humana
  • Medicaid - Medicaid
  • Medicaid - Medicaid (HMO Plans)
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health - PPO
  • National Vision Administrators
  • Regence BlueShield of Idaho
  • SCAN Health Plan
  • UnitedHealthcare
  • UnitedHealthcare - Medicare (Advantage HMO)
  • UnitedHealthcare - PPO
  • Wellcare
  • Western Health Advantage

Medical Specialties

Dr. David Kenneth Trefflich has the following specialty

Certifications, License, & Education

13 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Medical School

University Of California Irvine College Of MedicineGraduated in 2013

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Frequently Asked Questions

Does Dr. David Trefflich accept my insurance?
You can see the insurance plans that Dr. David Trefflich accepts on their Vitals profile.
Is Dr. David Trefflich accepting new patients?
Dr. David Trefflich has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. David Trefflich?
You can find contact information for Dr. David Trefflich here on Vitals.
Where is Dr. David Trefflich's office located?
Dr. David Trefflich's office is located at 1400 E Church St, Santa Maria, CA, 93454.
Does Dr. David Trefflich accept virtual/telehealth appointments?
Dr. David Trefflich has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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