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Dr. Ramon S. Sy, MD

Internal Medicine

  • (619) 428-4463

Dr. Sy's Overview

Dr. Ramon S. Sy graduated from the Manila Central Univ, Coll of Med, Caloocan City, Rizal, Philippines in 1976. He works in San Ysidro, CA and specializes in Internal Medicine. Dr. Sy is affiliated with Scripps Mercy Hospital.

Dr. Sy's Experience

Years in Practice: 39

Dr. Sy's Specialties

Internal Medicine

Dr. Sy's Education & Training

Medical School: Manila Central Univ, Coll of Med, Caloocan City, Rizal, Philippines; Graduated 1976

Dr. Sy's Rating

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Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
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Dr. Sy's Accepted Insurance

  • Aetna HMO
  • Aetna HMO Deductible Plan CA members only
  • Aetna Managed Choice POS Open Access
  • BCBS Blue Card PPO
  • Blue Cross CA CaliforniaCare HMO
  • Blue Cross CA PowerSelect HMO
  • Blue Cross CA Select Plus HMO
  • Blue Shield CA Access Plus HMO
  • Blue Shield CA Access Plus Savenet
  • Blue Shield CA Basic EPO
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Dr. Sy's Office Information & Appointments

Office Locations

San Ysidro Health Center

4004 Beyer Blvd
San Ysidro, CA 92173
(619) 428-4463


Office Hours and Information

Fax: (619) 205-6316

Practice Website:

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

Monday 8:00 AM - 8:00 PM
Tuesday 8:00 AM - 8:00 PM
Wednesday 8:00 AM - 8:00 PM
Thursday 8:00 AM - 8:00 PM
Friday 8:00 AM - 8:00 PM
Saturday 8:30 AM - 2:00 PM
Sunday Closed

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Dr. Sy's Hospital Affiliations

Office Locations

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