Dr. Thomas D. Brennan
Last updated: Jan 28, 2026

Dr. Thomas D. Brennan

  • Gender: Male
  • Experience: 6 years
  • Graduated from: Oregon Health Sciences University School Of Medicine
  • Graduation year: 2015
  • Sole propriator: No
  • NPI: 1831539634

Dr. Thomas D. Brennan M.D

Obstetrician and Gynecologist

He is located at 9701 Southwest Barnes Road Suite 200 in Portland, OR 97225. Can help patients with the following: Birth Control Counseling, Breast Cancer, Ectopic Pregnancy, Preeclampsia and Eclampsia, Prenatal Care, Sexually Transmitted Diseases (STDs). His National Provider Identifier (NPI) number is 1831539634. Appointment can be made via the phone number (503) 734-3700. He is affiliated with 1 practices.

Conditions treated

Dr. Thomas D. Brennan, being an obstetrician and gynecologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Thomas D. Brennan.

  • Amenorrhea
  • Bacterial Vaginosis
  • Birth Control Counseling
  • Blood in Urine
  • Braxton Hicks Contractions
  • Breast Cancer
  • Breastfeeding
  • Breastfeeding and Lactation
  • Cancer
  • Cervical Cancer
  • Cervical Intraepithelial Neoplasia (CIN)
  • Chlamydia
  • Ectopic Pregnancy
  • Endometriosis
  • Fibrocystic Breast Disease
  • Gestational Diabetes
  • Group B Streptococcal Infection (GBS)
  • Gynecological Exam
  • High Blood Pressure
  • Hot Flashes
  • Human Papillomavirus (HPV)
  • Infertility
  • Labor and Birth
  • Menopause
  • Menstrual Cramps
  • Miscarriage
  • Morning Sickness
  • Osteoporosis
  • Ovarian Cancer
  • Ovarian Cysts
  • Overactive Bladder (OAB)
  • Pelvic Inflammatory Disease (PID)
  • Pelvic Pain
  • Perimenopause
  • Placenta Previa
  • Polycystic Ovary Syndrome (PCOS)
  • Preeclampsia and Eclampsia
  • Pregnancy
  • Premature Ovarian Failure (POF)
  • Premenstrual Dysphoric Disorder (PMDD)
  • Premenstrual Syndrome (PMS)
  • Prenatal Care
  • Sexually Transmitted Diseases (STDs)
  • Trichomoniasis
  • Urinary Incontinence (UI)
  • Urinary Retention
  • Urinary Tract Infection (UTI)
  • Uterine Cancer
  • Uterine Fibroids
  • Uterine Growths
  • VBAC
  • Vaginal Atrophy and Dryness
  • Vaginal Bleeding
  • Vaginal Cancer
  • Vaginal Pain
  • Vaginitis
  • Women's Health
  • Yeast Infection

Medicare Enrollment

Dr. Thomas D. Brennan is enrolled to bill Medicare as a Practitioner - Obstetrics/gynecology .

Bills through: Womens Healthcare Associates Llc

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.

Studies

OREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE

Graduated in 2015

Additional Specialities

  • Resident

Affiliated practices

Women's Healthcare Associates - Peterkort South
9555 Southwest Barnes Road
Portland, 97225 OR
(503) 292-3577

Looking for more Obstetrician and Gynecologists?

Out of the 72 obstetrician and gynecologists in this region, here are 10 randomly selected ones for you to explore.

Dr. Jason Naoki Hashima
  • Gender: Male
  • Address: 10180 Southeast Sunnyside Road Clackamas, 97015, OR
Dr. John O. Bergstrom
  • Gender: Male
  • Address: Suite 634 9155 Southwest Barnes Road Portland, 97225, OR
Dr. Maria C. Leiva
  • Gender: Female
  • Address: Suite 100 9555 Southwest Barnes Road Portland, 97225, OR
Dr. Diana E. Bell
  • Gender: Female
  • Address: Suite 599 9427 Southwest Barnes Road Portland, 97225, OR
Dr. Steven Alan Friedman
  • Gender: Male
  • Address: 35 Monument Road Suite 202 York, 17403, PA
Dr. Kathleen Anne Kennedy
  • Gender: Female
  • Address: 9205 Southwest Barnes Road Portland, 97225, OR
Dr. Maxine Bauer
  • Gender: Female
  • Address: Suite 395 9427 Southwest Barnes Road Portland, 97225, OR
Dr. Mark W. Tomlinson
  • Gender: Male
  • Address: Suite 299 9701 Southwest Barnes Road Portland, 97225, OR
Dr. Sarah Hamilton Boyles
  • Gender: Female
  • Address: Suite 735 9155 Southwest Barnes Road Portland, 97225, OR
Jody M. Lindwall
  • Gender: Female
  • Address: 19250 Southwest 65th Avenue Suite 300 Tualatin, 97062, OR

Questions & Answers

Where can you meet with Dr. Thomas D. Brennan?

Dr. Thomas D. Brennan's office is located at 9701 Southwest Barnes Road Suite 200 in Portland, OR 97225.

Does Dr. Thomas D. Brennan accept insurance?

Unfortunately we don't have any information if Dr. Thomas D. Brennan accepts insurance.

What conditions does Dr. Thomas D. Brennan treat?

Dr. Thomas D. Brennan provides treatment for Birth Control Counseling, Breast Cancer, Ectopic Pregnancy, Preeclampsia and Eclampsia, Prenatal Care, Sexually Transmitted Diseases (STDs). For the full list see this list.

Does Dr. Thomas D. Brennan have affiliation with practices?

Dr. Thomas D. Brennan is affiliated with Women's Healthcare Associates - Peterkort South.