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The Primary Care Clinic of Hawaii - Waipahu Office  primarily treats adult medical patients. It is equipped to deal with whatever medical problem the patient has, no matter how common or rare. Knowledge is continually updated in many areas, including the following diseases and disorders.

Diseases and Disorders

  • Heart
  • Cancer
  • Diabetes
  • Digestive Diseases
  • Hormonal Disorders
  • Infections
  • Kidney Diseases
  • Respiratory disorders
  • Allergies
  • Blood diseases
  • Arthritis

These conditions are treated from the clinic to the intensive care unit of the nearby hospital.

Disease prevention and promotion of health care are also emphasized.


OUR physicians




Dr. Sonido is a board-certified internist who obtained his residency at the Wayne State University School of Medicine and University of Hawaii - John A. Burns School of Medicine.

With over 35 years of experience, he specializes in complex adult medical problems, including diabetes, cholesterol, gout, COPD, and heart failure, among others. He is one of only four physicians in the entire state of Hawaii who is certified by the American Society of Hypertension as a hypertension expert.

As an Assistant Clinical Professor of Medicine at the UH-JABSOM, he has taught and trained many medical students and residents. He is also a preceptor and mentor for Filipino and American medical students at his clinic in Waipahu.

Over the past 35 years, he has joined and led many major medical missions to the Philippines under the Ohana Medical Mission group, never failing to give back to his home province in Ilocos.

He is a cofounder of the Bayanihan Clinic Without Walls, and Doctors On Stage. He is also the executive editor and publisher of the Hawaii Filipino Chronicle.

Recipient of many community and professional awards, he was selected as most outstanding physician by the Philippine Medical Association of Hawaii in 2009.

He is married with 2 children, one of whom is a Family Medicine resident at UH-JABSOM.

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jon Avery T. GO MD

Born and raised in Manila, Dr. Go is fluent in Tagalog and English, and can also speak the Chinese dialect Fukien. He studied at the University of Santo Tomas and graduated as Cum Laude for his pre-medical course BS Physical Therapy and as Magna Cum Laude for his Doctor in Medicine. He subsequently moved to the US to pursue further medical training and did his Internal Medicine Residency at Roger Williams Medical Center in Providence, RI. He got his ABIM Board Certification in Internal Medicine in 2012.

Dr. Go started his primary care career in San Antonio, TX as one of the primary care doctors at the Texas Diabetes Institute, a comprehensive diabetes center under the auspices of UT Health San Antonio and University Health System that serves a population with complicated medical issues.

In 2016, he moved to Hawaii and joined the practice of Dr. Charlie Sonido of Charlie Y. Sonido, MD Inc at the Waipahu clinic. He brings with him his knowledge and experience from the Texas Diabetes Institute, providing quality and compassionate care to the people of Hawaii. Together with Dr. Sonido, he mentors Filipino and American medical students, paying it forward and guiding the next generation of doctors.

When he has time, Dr. Go loves to hike, travel, and explore new places together with his family, composed of his wife Valerie, a nephrologist, and his daughter Shannon, who is enrolled in Punahou School. On other days, they prefer to just sit back, relax and watch the Amazing Race or Meteor Garden.


John WIchmann-Walczak MD

John S. Wichmann-Walczak, MD is a practicing General Practitioner in Waipahu, HI. Dr. Wichmann-Walczak graduated from Tufts University School of Medicine in 1973 and has been in practice for 45 years. He completed his residency at Queen's Medical Center.  


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Our Office


94-837 Waipahu St,

Waipahu, HI 96797


Telephone Number:

(808) 671-3911


***Walk-ins only, no appointment necessary. Patients are seen on a first come, first served basis.