Your Path to Wellness Starts Here...

Your Path to Wellness Starts Here...

Your Path to Wellness Starts Here...Your Path to Wellness Starts Here...Your Path to Wellness Starts Here...

About Us


The Practice

Summary of Services

The Practice

Dr. Ostrzenska (Dr. Kasia) strives to create a atmosphere of safety and trust for her patients.  Bay Medical Center opened its doors in 2001. Since the beginning Dr. Kasia has strived to provide her patients with individualized care with prevention as its core.  

Her practice is one of the last SOLO practices left in the Saint Petersburg area.  There are no nurse practitioners nor physician aids you will see the Doctor at every visit.  

Dr. Ostrzenska (Dr. Kasia)  is also a passionate educator.  She spends much time  educating her patients so they become well versed in the details of their treatment plans. She holds educational seminars as well as teaches one on one.  Dr. Kasia believes that  knowledge  is the key to your success and compliance.  

To keep up to date, she  frequently travels all over the world to keep up with current research and preventive protools.   Her patients get as much time as they need and you will almost never wait for your appointment :-).  All Patients have 24/7 access to Dr. Kasia by phone or computer portal in case of emergencies.  

Dr. Kasia no longer attends hospitals and the practice does not accept any medical insurances including Medicare.


Dr. Kasia

Summary of Services

The Practice


Katarzyna Ostrzenska M.D. (Dr. Kasia) Graduated from Warsaw academy of Medicine and completed her residency at The George Washington University.

 She is twice Board Certified in Internal Medicine. 

She has established a successful solo practice in St. Petersburg Florida (The Bay Medical Center) shortly after completing her residency. 

The practice centers around prevention but also provides help for the sick . She also created a alcohol/opioid addiction program due to the growing problem of addiction which strip patients of their lives and dignity.   

Dr. Kasia is a international speaker on a wide variety of topis. Her speaking engagement include:

- International Federation of Gynecology and Obsterrics (FIGO) in Chile

-1st World congress of reconstructive and cosmetic gynecology (RECOGYN) in India 

- Integrative Medicine Conference at the University of Miami

-as well as local medical associations. 


Dr. Kasia is published in peer reviewed journals, created continuing medical education lectures for medical professionals.  

Dr. Kasia was oftern interviewed by Bay News 9 to give her opinion on "hot" medical topics and was also featured on Channel 8 news for her unusual practice style.  

Dr.  Kasia also wrote a column for the Tampa Bay Times


One of Dr. Kasia's passions is fitness. She is a certified fitness instructor and has created a fitness center within her practice, so she can help her patients become more active and healthy.



Summary of Services

Summary of Services

Summary of Services

The Bay Medical Center is prepared to meet a wide range of health issues and medical needs: 

Dr. Kasia believes every aspect of medicine has something to offer in improving health. She is an integrative doctor utilizing bioidentical hormone replacement, functional medicine, nutrition, IV and injectable therapies to help her patients regain health and vitality. 

Dr. Kasia utilizes platelet rich protein

(PRP) injections for a wide variety of conditions:

-musculoskeletal pain  

- penile injections for erectile dysfunction 

-G spot/clitoral injections for sexual and urinary health 

- skin rejuvenation/PRP facials

Other cosmetic services include:

-Micro needling

-Diode laser treatments 

for unwanted skin growths


(Dr. Kasia has been injecting Botox for cosmetics since 2001)


PDO threads

We are one of the few centers in the area offering ThermiVa treatments.  ThermiVa is FDA approved for epithelial cell rejuvenation and it has shown to decrease urinary leakage improve vaginal lubrication and sensitivity in a completely painless manor.

We understand that addiction is a sensitive and wide spread problem. We offer our patients the best counselors and utilize Suboxone or Vivitrol to manage drug and/or alcohol addiction in a calm and safe environment. 

Come exercise with Dr. Kasia. Movement is one if not THE most important thing you can do to ensure health and decrease your chances of dementia.  Please join us for Zumba or PiYo. You do not need to be a patient to join us. 


Contact Us

Katarzyna M Ostrzenska, M.D.

Please send us a message or call us for an appointment.

Feel free to fax any documents to (727) 341-0121

Bay Medical Center

7001 Central Ave, Suite 3, St. Petersburg, FL 33710, US

(727) 343-6606


Open today

08:00 am – 05:00 pm

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