Born and raised in the Philippine Islands, Dr. Clavecillas later moved to the U.S. where he spent five years as an emergency room and intensive care unit nurse. His passion for medicine and helping people convinced him to pursue his dream of becoming a primary care physician.

Dr. Clavecillas worked with the underserved in the community during his residency and concentrated on helping patients with HIV and substance abuse. Board certified by the American Academy of Family Physicians and American Academy of HIV Medicine, Dr. Clavecillas has an interest in providing integrative medicine, especially in the area of men's health and HIV primary care.

Outside of work, Dr. Clavecillas enjoys travel, technology and fitness.

Medical School
  • West Visayas State University College of Medicine, Philippines
  • Doctors Medical Center, Modesto, CA
  • Doctors Medical Center, Modesto, CA
  • English
  • Tagalog


San Pedro Primary Care
1449 W. 1st Street
San Pedro, CA 90732
(310) 831-9482
(310) 831-1230


  • Family Medicine
Clinical Interests
  • Anxiety Disorders
  • Asthma
  • Diabetes Management
  • Geriatric Medicine
  • AIDS & HIV Related Diseases
  • Primary Care Physician


Insurances Accepted
  • Aetna HMO Plan
  • Aetna PPO/POS/EPO
  • Anthem Blue Cross Calif. Care HMO
  • Anthem Blue Cross PPO/POS/EPO
  • Anthem Blue Cross Senior Plan HMO
  • Blue Shield 65 Plus Senior Plan HMO
  • Blue Shield HMO Plan
  • Cigna HMO Plan
  • Cigna PPO/POS/EPO
  • Covered CA Anthem BC HMO
  • Covered CA Anthem BC PPO/EPO
  • Covered CA Blue Shield HMO
  • Covered CA Blue Shield PPO/EPO
  • Covered CA Health Net PPO
  • Covered CA LA Care HMO
  • Health Net HMO
  • Health Net PPO/EPO/POS
  • Health Net Seniority Plus HMO
  • Humana HMO
  • Medicare
  • Medi-Medi (Medicare-Medi-Cal)
  • Providence Medical Associates
  • Scan Senior Health Plan HMO
  • Secure Horizons Senior/UHC HMO
  • Tricare PPO
  • United Healthcare HMO Plan
Insurance Medical Groups
  • Axminister Medical Group/IPA

Medical Groups

Affiliated Medical Groups
  • Providence Medical Associates


Patient Ratings and Comments
About Our Survey

The Patient Rating score is based on responses given during the Consumer Assessment of Healthcare Providers and Systems (CAHPS) Patient Experience Survey. Responses are measured on a 10-point scale, with 10 being the best score. These scores are then translated to a 5-point scale in order to display results in a 5-star rating. Comments are also gathered from the same survey and displayed in their entirety. However, language that may contain profanity, slander, libel or private health information is removed. Comments reflect the views and opinions of patients. Comments are not endorsed by, nor do they necessarily reflect the views of, Providence.

4.5 out of 5 (66 Ratings, 14 Comments)


He did not lislen to what I was saying. he thinks he knows more then he realy knows. he stated that I was ok nothing wrong with me. after two days he call me and stated that I had something wrong but he could not tell me what it was. he order some med. and told me to take it with out explaining any thing. he stated he would call me when he has the final text info. but he never call me. I when to my regular doctor and he told me to stop taking the med that Dr. C gave me because he Dr. C did not know what he was doing.

Doctor C is really nice.

I appreciate how my provider cares for my health condition and takes the time to listen and really care.

Dr Clavecillas is an excellent example of a professional and caring Doctor.

Dr. Patricio Clavecillas Jr. expressed an extremely poor sensitivity to my needs and concerns regarding my health. None of my questions regarding my health were answered during this visit. Dr. Calavecillas stated that he only had 10 minutes to see me and I had too many questions regarding my health. I would not recommend him to any family or friends. He is by far the worst provider I've ever had in my life. He has a great lack of respect and he made me feel very uncomfortable during my visit. This physician shows a huge lack of compassion.

Love Dr. C!!!! I recommend him to everyone. He always listens and truly seems to care, never acts hurried even though you know he is busy. Very sweet and respectful

Dr. Clavecillas is very down to earth, knowledgeable and respectful. He works with his patients to address all concerns and to ensure the most out of the appt.

Dr. C is alway available to answer my questions. Without fail, I always feel great leaving his office even when I'm sick not at my best.

Dr. Clavicillias is a gem of a doctor. i feel very comfortable disclosing info to him and he is very knowledgeable. i would highly recommend him to others, and i have done so before.

Very impressed with doctor and staff.

I had a sinus infection and a very sore throat. The doctor prescribed Lidocane and ibuprofen and did not prescribe an antibiotic. I had to visit the Urgent Care doctor on [...] to get the antibiotic for the infection.

Very helpful.

I felt he was not thorough enough and seemed to ;b I did not think he was thorough enough, nor spend enough time with me, seemed to be anxious to have me leave and did not seem to appreciate my level of pain. (I guess he didn't actually believe me)

Overall good experience.