Summary

Dr. Thomas Kosasa is an obstetrician and gynecologist with 55 years of experience caring for women throughout their reproductive health journey. He earned his medical degree from McGill University Faculty of Medicine and completed his residency training at Brigham & Women's Hospital. Dr. Kosasa speaks French and Vietnamese, allowing him to serve patients from diverse cultural backgrounds.

Dr. Kosasa practices at multiple locations in Honolulu and is affiliated with Kapiolani Medical Center For Women And Children and Pali Momi Medical Center. He specializes in treating female infertility, endometriosis, and endometrial polyps. His expertise includes performing fetal ultrasounds and nonstress tests to monitor maternal and fetal health. Patients rate Dr. Kosasa 4.4 out of 5 stars for his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.4
  • 55 years of experience
  • speaks French, Vietnamese
  • Brigham & Womens Hospital
  • 9 written reviews
  • 1 specialty
  • 9 areas of expertise
  • 1 board certification
  • 2 hospital affiliations
  • 4 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Thomas Sidney Kosasa has 4 locations

Thomas S Kosasa Md Medical Group

1319 Punahou St Ste 1040Honolulu, HI 96826
Mon8:30 am - 3:30 pm
Tue8:30 am - 3:30 pm
Wed8:30 am - 3:30 pm
Thu8:30 am - 3:30 pm
Fri8:30 am - 3:30 pm
Sat8:00 am - 12:00 pm
SunClosed

Pacific In Vitro Fertilization Institute

1319 Punahou St Ste 980Honolulu, HI 96826
Mon7:00 am - 3:30 pm
Tue7:00 am - 3:30 pm
Wed7:00 am - 3:30 pm
Thu7:00 am - 3:30 pm
Fri7:00 am - 3:30 pm
Sat7:00 am - 10:00 am
Sun7:00 am - 10:00 am

Pali Momi Medical Center

98-1079 Moanalua RdAiea, HI 96701

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Dr. Thomas Sidney Kosasa, MDDr. Joan Ceccarelli MeisterDr. Catherine Jean KurosuDr. Holly Hagan Olson
Obstetrics & GynecologyNeonatologyObstetrics & GynecologyObstetrics & Gynecology
Accepts New Patients Accepts New Patients
4.4 
55 Years of Experience 34 Years of Experience 36 Years of Experience 34 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks French, Vietnamese Speaks Chinese, Spanish Speaks English
Honolulu , HIHonolulu , HIKailua , HIHonolulu , HI
Med School: Mc Gill Univ Fac Of Med Med School: University Of Hawaii At Manoa Med School: Univ Of Toronto Fac Of Med Med School: Vanderbilt University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Thomas Sidney Kosasa

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Thomas Sidney Kosasa has the following specialty

Specialty Expertise

Dr. Thomas Sidney Kosasa has the following 9 areas of expertise

  • Choriocarcinoma
  • Gynecology
  • Hot Flashes
  • Hydatidiform Mole
  • Hysterectomy (Uterus)
  • Laproscopic Surgery (Laparoscopy)
  • Menopause
  • Trophoblastic Cancer
  • Tubal Pregnancy

Certifications, License, & Education

55 Years Experience

Dr. Thomas Sidney Kosasa holds an expired medical license in the state of Hawaii.

Medical License

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

Education & Training

Residency

Completed their residency at Brigham & Womens Hospital.

Medical School

Graduated from Mc Gill Univ Fac Of Med in 1971.

NPI Number

Dr. Kosasa's NPI number is 1396777637.

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Frequently Asked Questions

How can I make an appointment with Dr. Thomas Sidney Kosasa?
You can find contact information for Dr. Thomas Sidney Kosasa here on Vitals.
Does Dr. Thomas Sidney Kosasa accept virtual/telehealth appointments?
Dr. Thomas Sidney Kosasa has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Thomas Sidney Kosasa affiliated with?
Dr. Thomas Sidney Kosasa is affiliated with Kapiolani Medical Center For Women And Children and Pali Momi Medical Center.
Where is Dr. Thomas Sidney Kosasa's office located?
Dr. Thomas Sidney Kosasa's office is located at 1319 Punahou St Ste 1040, Honolulu, HI, 96826.
Is Dr. Thomas Sidney Kosasa accepting new patients?
Dr. Thomas Sidney Kosasa is accepting new patients on Vitals. View Dr. Thomas Sidney Kosasa's profile on Vitals to make an appointment.

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