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Your Partner in Women's Healthcare Excellence
At OB/GYN Health Associates, we are dedicated to providing personalized, high-quality healthcare for women at every stage of life. Our team of board-certified physicians brings decades of combined experience in obstetrics and gynecology, offering comprehensive services ranging from routine care to advanced surgical procedures. We prioritize patient-centered care, ensuring each individual receives tailored attention that respects their preferences and health goals. Our practice is distinguished by 24-hour on-call obstetrical coverage, evening appointments, and the convenience of on-site ultrasounds.

With privileges at Advocate Christ Medical Center and Northwestern Medicine Palos Hospital, we empower patients to choose their preferred delivery location. Our commitment to excellence is reflected in our focus on continuous innovation, ethical standards, and transparent communication, making us a trusted partner in women's health.
Services
Prenatal care Family planning Laparoscopic surgery Hysteroscopic surgery 24-hour on-call obstetrician Menopause management Abnormal bleeding treatment Incontinence care Fibroid treatment Osteoporosis screening
Highlights and features
  • We offer 24-hour on-call obstetrical coverage for emergency needs
  • Our physicians have hospital privileges at two leading medical centers
  • We provide evening appointments for patient convenience
  • On-site routine OB and pelvic ultrasounds available
  • Board-certified physicians with decades of combined experience
What people say
Personalized care Knowledgeable physicians Evening appointments Thorough explanations Compassionate staff
Services
Prenatal care
Comprehensive prenatal care includes regular check-ups, ultrasound monitoring, and personalized guidance throughout pregnancy. Our physicians provide evidence-based care for low-risk and high-risk pregnancies, ensuring maternal and fetal health through advanced diagnostic tools and collaborative hospital partnerships.
Laparoscopic surgery
Advanced laparoscopic procedures treat conditions like fibroids, endometriosis, and pelvic pain with smaller incisions and faster recovery. Our surgeons utilize robotic-assisted technology for enhanced precision, offering patients improved outcomes compared to traditional open surgeries.
Family planning
Personalized family planning services include contraceptive counseling, IUD placements, and preconception guidance. We help patients make informed decisions about reproductive health through comprehensive education and tailored contraceptive options.
Menopause management
Specialized care for menopausal symptoms includes hormone replacement therapy and non-hormonal treatments. We address hot flashes, sleep disturbances, and other transition-related concerns with individualized treatment plans focused on long-term wellness.
Urodynamic testing
Diagnostic urodynamic testing evaluates bladder and pelvic floor function to address urinary incontinence. This in-office procedure helps identify specific issues enabling targeted treatments like pelvic floor therapy or minimally invasive procedures.
People
Jennifer Chang
M.D.
Dr. Jennifer Chang specializes in comprehensive women's healthcare with expertise in high-risk pregnancies and minimally invasive surgeries. She maintains active hospital privileges and prioritizes patient education in her clinical practice.
Jessica Dy-Johnson
MD, FACOG
Dr. Jessica Dy-Johnson brings fellowship-trained expertise in reproductive endocrinology and infertility management. Her patient-centered approach focuses on compassionate care for complex gynecological conditions.
Alka Kale
MD, FACOG
Dr. Alka Kale specializes in obstetric care and gynecologic oncology screening. She emphasizes preventive care and early detection through regular screenings and personalized risk assessments.
Edward Ryan
MD, FACOG
Dr. Edward Ryan offers extensive experience in maternal-fetal medicine, managing complicated pregnancies with advanced monitoring techniques. He coordinates multidisciplinary care for patients with chronic medical conditions.
Whitney J. Sigala
MD
Dr. Whitney Sigala provides full-spectrum obstetric and gynecologic care with a focus on minimally invasive procedures. She actively participates in medical education while maintaining clinical excellence.
Questions
What OB/GYN services do you offer?
We provide prenatal care, family planning, menopause management, minimally invasive surgeries, and treatment for gynecological conditions like fibroids and incontinence.
Do you offer evening appointments?
Yes, we schedule evening appointments for patient convenience at both our Orland Park and Oak Lawn locations.
Which hospitals are you affiliated with?
Our physicians have privileges at Advocate Christ Medical Center and Northwestern Medicine Palos Hospital for delivery and surgical services.
How can I schedule an appointment?
Current patients seen since March 2024 can book online through Advocate Aurora Health. Others should call our Orland Park (708-873-2000) or Oak Lawn (708-499-1212) offices.
Do you accept my insurance plan?
We accept traditional medical insurance, HMOs, and PPOs. Check our For Patients page or contact our office for specific plan verification.
What emergency services are available?
Our 24-hour answering service connects patients with on-call physicians for urgent obstetrical needs after regular office hours.
Reviews (6)
Rebecca Ruiz
Apr 18, 2022 Report
!WARNING POST FOR EXPECTING MOMS! I wouldn't even give this office half of a star! OB/GYN Associates at 16011 108th Ave B, Orland Park, IL 60467 is a JOKE! So unprofessional and rude! My first appointment was a 4 hour visit! I saw Dr. Totonchi, however, the ENTIRE staff is incompetent! DO NOT go to this office for prenatal care! I am posting everywhere just to save moms a headache and keep them from unnecessary stress. Please choose another doctor's office!
L. Pi
Aug 11, 2021 Report
Dr Ugarte was awful. He asked me more than once if that was my first time seeing him (it wasn't, you can read that in my chart.) and insisted I have or had a disease (which I don't nor ever did).
Sharon Murphy
Jun 16, 2021 Report
Unethical billing practices. Per staff member in billing department, if you bring up an issue during the question/answer part of a well exam, and the dr makes a notation of it that sounds like they made a "diagnosis" (although she never diagnosed anything, my comment was about something I've had for decades, that i was letting her know about it's recurrence) they have the right to bill you for a sick visit, even though insurance won't pay for a yearly exam and sick visit at the same time.

So be warned - next time you go for a well visit, you better be totally well with no complaints at that time, no matter how minor., or you could be charged separately for it (even though they are getting reimbursed for the more expensive well visit on top of it). I will pay the portion my insurance rejected, but I will no longer go to this practice. I guess it's how they make up for lower reimbursements from insurances.
Nicole R.
Jan 13, 2021 Report
I went to see Dr. Kale about my annual pap. and she lacks bedside manner and didn't give me any kind of results after I had called multiple times for them. I would not recommend.
Katlynn Grieco
May 04, 2020 Report
Wait times are absolutely ridiculous. Currently 9 months pregnant and have to come here once a week and wait an hour- 90 minutes past appt time to be seen. For appointment that last about 5 mins.
Colleen Delaney
Feb 15, 2019 Report
This is truly one of the worst offices Ive been to. It took weeks to get test results back, voicemails went unanswered, and not once did I ever hear an apology for any delay, which honestly would have gone a long way. One week they gave me test results and when I called to ask a follow up question a couple days later my nurse said They had no record of any results or the test even being done. Uh, what?

Most recently, I went it to have my records faxed to another clinic- 12 days before my appointment. The front assured me they would get them over. And of course, they didn't. If you cant trust an office to handle paperwork and relaying test results how can you trust them with your healthcare?