Summary

Dr. Frederick Lee brings extensive expertise in internal medicine with a specialized focus on endocrinology, diabetes, and metabolism. He earned his medical degree from the University of Oklahoma College of Medicine and completed his residency at LAC USC Medical Center. With 45 years of clinical experience, Dr. Lee has developed deep knowledge in managing complex hormonal and metabolic conditions. He is fluent in both Chinese and English, allowing him to serve diverse patient populations.

Dr. Lee practices at Huntington Memorial Hospital in Pasadena, California, where he focuses on treating conditions such as high cholesterol in children and teens, hypertension, and hypertensive emergencies. His approach includes comprehensive care options like physical therapy and strength training to support patient wellness. Patients have given him an average rating of 4.1 stars, reflecting their confidence in his care and expertise.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.1
  • 45 years of experience
  • 52 insurance plans accepted
  • speaks Chinese, English
  • Lac Usc Medical Center
  • 12 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Frederick Ock-Horn Lee has 2 locations

Lee Frederick O Office

2155 E Villa StPasadena, CA 91107
Mon9:00 am - 12:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 12:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 12:00 pm
SatClosed
SunClosed

Huntington Memorial Hospital

100 W California BlvdPasadena, CA 91105

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Dr. Frederick Ock-Horn Lee, MDDr. Nima Ghadimi, MDDr. Tooba Rehman, MDDr. George Mousa, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
3.8 
45 Years of Experience 29 Years of Experience 16 Years of Experience 17 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Chinese, English Speaks English, Spanish
Pasadena , CAScottsdale , AZKaty , TXUpland , CA
Med School: University Of Oklahoma College Of Medicine Med School: Univ Iberoamericana Unibe Santo Domingo Med School: CHICAGO MEDICAL SCHOOL AT ROSALIND FRANKLIN UNIVERSITY OF MEDICINE & SCIENCE Med School: University Of Aleppo Faculty Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Frederick Ock-Horn Lee

  • Accepts Medicaid
  • Aetna
  • Aetna - HMO
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • AltaMed Senior BuenaCare (PACE)
  • Ambetter
  • Anthem Blue Cross
  • Blue Cross Blue Shield of Alabama
  • Blue Cross Blue Shield of Arizona
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Michigan
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • BLUE CROSS of CALIFORNIA - PPO
  • Blue Shield of California
  • CareFirst BlueCross BlueShield
  • Cigna
  • Contra Costa Health Plan
  • EmblemHealth
  • Excellus Blue Cross Blue Shield
  • Florida Blue: Blue Cross Blue Shield of Florida
  • Health Alliance
  • Health Net
  • Health Net - HMO
  • HealthPartners
  • Humana
  • Humana - HMO
  • Kaiser Permanente
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • L.A. Care Health Plan - Medicare
  • Magellan Health
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - Medicaid
  • Molina Healthcare - Medicaid (Managed)
  • Mutual of Omaha
  • National Vision Administrators
  • Optum Health
  • Premier Health Plan
  • Regence BlueShield
  • SCAN Health Plan
  • Tufts Health Plan
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - POS
  • UnitedHealthcare - PPO
  • Wellcare

Medical Specialties

Dr. Frederick Ock-Horn Lee has the following 2 specialties

Specialty Expertise

Dr. Frederick Ock-Horn Lee has the following 11 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cushing Disease
  • Diabetes (Types I & II)
  • Endocrinology, Diabetes & Metabolism
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism

Certifications, License, & Education

45 Years Experience

Dr. Frederick Ock-Horn Lee holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Residency

Completed their residency at Lac Usc Medical Center.

Medical School

Graduated from University Of Oklahoma College Of Medicine in 1981.

NPI Number

Dr. Lee's NPI number is 1063508679.

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Frequently Asked Questions

Is Dr. Frederick Lee accepting new patients?
Dr. Frederick Lee is accepting new patients on Vitals. View Dr. Frederick Lee's profile on Vitals to make an appointment.
What languages does Dr. Frederick Lee speak?
Dr. Frederick Lee speaks Chinese and English.
Does Dr. Frederick Lee accept virtual/telehealth appointments?
Dr. Frederick Lee 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. Frederick Lee?
You can find contact information for Dr. Frederick Lee here on Vitals.
Does Dr. Frederick Lee accept my insurance?
You can see the insurance plans that Dr. Frederick Lee accepts on their Vitals profile.

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