Summary

Dr. John Lacy is a hematology and pathology specialist who earned his medical degree from Washington University in St. Louis School of Medicine. He completed his residency at LAC USC Medical Center and brings 36 years of clinical experience to his practice. Dr. Lacy is fluent in English.

Based at MemorialCare Saddleback Medical Center in Laguna Hills, California, Dr. Lacy focuses on blood-related conditions and laboratory medicine. He performs COVID-19 testing and various blood tests to help diagnose medical conditions. His expertise includes prothrombin time testing, which measures how well blood clots.

AI-generated from data on this provider profile.

Quick Facts

  • 36 years of experience
  • 11 insurance plans accepted
  • speaks English
  • Lac Usc Medical Center
  • 2 specialties
  • 4 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

Memorialcare Saddleback Medical Center

24451 Health Center DrLaguna Hills, CA 92653

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Dr. John Griffith Lacy, MDDr. Raghu Nandan, MDDr. Radha Satyadev, MDDr. Robert Jon Propst, DO
HematologyHematologyPathologyPathology
Accepts New Patients
4.2 
36 Years of Experience 42 Years of Experience 32 Years of Experience 8 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Tamil
Laguna Hills , CALakewood , CAAnaheim , CARiverside , CA
Med School: Washington University In St Louis School Of Medicine Med School: Madras Medical College Med School: Loma Linda University School Of Medicine Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific
Current Profile
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Insurance Plans Accepted by Dr. John Griffith Lacy

  • Aetna
  • Alameda Alliance for Health - Medicaid (Managed)
  • BLUE CROSS of CALIFORNIA
  • Blue Shield of California
  • Cigna
  • Health Plan of San Joaquin - Medicaid (Managed)
  • Kaiser Permanente
  • Kaiser Permanente - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • UnitedHealthcare

Medical Specialties

Dr. John Griffith Lacy has the following 2 specialties

Specialty Expertise

Dr. John Griffith Lacy has the following 4 areas of expertise

  • Blood Testing
  • Fluid Testing
  • Pathology
  • Tissue Biopsy

Certifications, License, & Education

36 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2025, Inactive

EDUCATION & TRAINING

Residency

Lac Usc Medical Center

Medical School

Washington University In St Louis School Of MedicineGraduated in 1990

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Frequently Asked Questions

What languages does Dr. John Lacy speak?
Dr. John Lacy speaks English.
Does Dr. John Lacy accept my insurance?
You can see the insurance plans that Dr. John Lacy accepts on their Vitals profile.
Which hospitals is Dr. John Lacy affiliated with?
Dr. John Lacy is affiliated with Memorialcare Saddleback Medical Center.
Is Dr. John Lacy accepting new patients?
Dr. John Lacy has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Where is Dr. John Lacy's office located?
Dr. John Lacy's office is located at 24451 Health Center Dr, Laguna Hills, CA, 92653.

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