About

*Dr. Stasiewicz is not currently accepting new HMO patients or patients under 6 years old. 

Dr. Stasiewicz entered medicine because he felt it was a caring profession. He gets personal satisfaction from helping others.

In addition to spending time with his four children, Dr. Stasiewicz enjoys tennis, photography, handball and traveling.

In January 2010, Dr.Stasiewicz who is board certified in family medicine, was honored by his patients with a Patients' Choice recognition

Languages

English

Provider Specialty

Family Medicine, Primary Care

Areas of Care

Education

Medical School

Medical College of Wisconsin

1970

Internship Program

Los Angeles General Medical Center / LAC+USC

1971

Residency Program - Family Medicine

LAC - USC Medical Center

1977

Locations & Affiliations

Locations

MemorialCare Medical Group - Irvine (Barranca) Suite 200

4050 Barranca Parkway, Suite 200

Irvine, CA

Office: 877-696-3622

Insurance

Please consult your health care provider or health plan for the most accurate information about your health plan’s coverage of a particular health care service offered at a MemorialCare facility. Learn more about our Accepted Health Plans.

Patient Reviews

5.0 out of 5
(500 Ratings)
Dec 2, 2025
Zijiayan L.
Dec 1, 2025
Vincent R.
Nov 24, 2025
Elisabeth Y.
Nov 20, 2025
Mark F.
Nov 7, 2025
William S.
Dr. Staz is always thourough, patient and helpful. He makes you feel very comfortable.
Nov 6, 2025
Richard V.
He is consistently straightforward with his explanation of the test results, recommendations, and engaging demeanor.
Nov 5, 2025
Michael P.
Dr. Stasiewicz is a knowledgeable and compassionate physician and his team, including Vanessa, is great! Would always recommend.
Oct 31, 2025
Bobby M.
He has been my doctor for about 40 years or so he’s great always has been. I love the guy.
Oct 31, 2025
Joan L.
My Dr. Stasiewicz is the BEST! My family has been seeing him for 3 decades and we’ve always had exceptional care. Honestly I can’t say enough.??????????
Oct 28, 2025
Frances A.
The kindness, courtesy and attitude of all Dr. and all associates.

Source: Reviews are aggregated from third-party review sites such as Facebook, Google, HealthGrades, RepuGen, Vitals, WebMD, and Yelp.