Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John H Stasiewicz, MD

Individual provider Family Medicine Physician · NPI 1033100482

Dr. John H Stasiewicz, MD is a Family Practice in Irvine, California. Graduated from Medical College of Wisconsin in 1970, 56 years ago. Practices with Memorialcare Medical Foundation, a 562-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
56
Trained at
Medical College of Wisconsin
Licensed in
CA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

4050 Barranca Pkwy Ste 200
Irvine, CA 92604-7706
Phone: (949) 551-1090
Fax: (949) 262-5500
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G21256 (CA)

Record details

NPI number1033100482
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 3, 2005
Last updated in NPPESOctober 13, 2015
Mailing address17360 Brookhurst St, Attn: McMf Credentialing Dept., Fountain Valley, CA 92708-3720

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1970 (56 years in practice)
Group practice Memorialcare Medical Foundation — 562 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Irvine