Summary

Dr. Woo Ahn specializes in internal medicine and pathology, bringing five decades of medical expertise to his practice. He earned his medical degree from Seoul National University College of Medicine and completed his residency at Christiana Care Health System. His extensive experience spanning 50 years has established him as a seasoned physician in both internal medicine and laboratory medicine. Dr. Ahn is fluent in English and Korean, allowing him to serve patients from diverse backgrounds.

Based in Lakewood, California, Dr. Ahn practices at Lakewood Regional Medical Center and maintains his own office on Pioneer Boulevard. He focuses on managing conditions such as type 2 diabetes and high cholesterol in both adults and younger patients. His practice emphasizes preventive care through services like depression screening and colorectal cancer screening. Patients consistently rate Dr. Ahn highly, giving him an average rating of 5.0 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 5
  • 50 years of experience
  • 47 insurance plans accepted
  • speaks English, Korean
  • Christiana Care Health System
  • 2 specialties
  • 9 areas of expertise
  • 2 office locations
  • Male

Office Locations

Dr. Woo Sung Ahn has 2 locations

Ahn Woo Sung Office

20145 Pioneer BlvdLakewood, CA 90715
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

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Dr. Woo Sung Ahn, MDDr. Steven L Rosenblatt, MDDr. Adama Diarra, DOKarthikeyan Viswanathan, DO
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.1 
50 Years of Experience 43 Years of Experience 14 Years of Experience 12 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks English, Korean Speaks Spanish, English Speaks English, French, Bambara Speaks English, Tamil
Lakewood , CALos Angeles , CATigard , ORPalo Alto , CA
Med School: Seoul National University College Of Medicine Med School: American University Of The Caribbean School Of Medicine Med School: Arizona College of Osteopathic Medicine Med School: Bassett Medical Center - Cooperstown, New York
Current Profile
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Insurance Plans Accepted by Dr. Woo Sung Ahn

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Aetna - HMO
  • AgeWell New York
  • Alignment Health Plan
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Minnesota
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Brand New Day
  • CalOptima
  • Chinese Community Health Plan
  • Contra Costa Health Plan
  • Harvard Pilgrim Health Care
  • Health Alliance
  • Health Net
  • Health Net - HMO
  • HealthSmart
  • Humana
  • Humana - HMO
  • Independence Blue Cross
  • Inland Empire Health Plan
  • Kaiser Permanente
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Medicare - Medicare (Advantage HMO)
  • Meridian Health Plan
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • Optima Health
  • Optum Health
  • Oscar Health Insurance
  • Premier Health Plan
  • Santa Clara Family Health Plan
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Three Rivers Providers Network (TRPN) - HMO
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • Wellcare

Medical Specialties

Dr. Woo Sung Ahn has the following 2 specialties

Specialty Expertise

Dr. Woo Sung Ahn has the following 9 areas of expertise

  • Check-up
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Heartburn
  • Immunization
  • Lung Cancer
  • Pathology
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

50 Years Experience

Dr. Woo Sung Ahn 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 2026.

Education & Training

Residency

Completed their residency at Christiana Care Health System.

Medical School

Graduated from Seoul National University College Of Medicine in 1976.

NPI Number

Dr. Ahn's NPI number is 1396807806.

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Frequently Asked Questions

Is Dr. Woo Ahn accepting new patients?
Dr. Woo Ahn is accepting new patients on Vitals. View Dr. Woo Ahn's profile on Vitals to make an appointment.
Does Dr. Woo Ahn accept my insurance?
You can see the insurance plans that Dr. Woo Ahn accepts on their Vitals profile.
What languages does Dr. Woo Ahn speak?
Dr. Woo Ahn speaks English and Korean.
Where is Dr. Woo Ahn's office located?
Dr. Woo Ahn's office is located at 20145 Pioneer Blvd, Lakewood, CA, 90715.
Does Dr. Woo Ahn accept virtual/telehealth appointments?
Dr. Woo Ahn has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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