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

Dr. Mary Lou Jazwinski, DO

Individual provider Child & Adolescent Psychiatry Physician · NPI 1821169137

Dr. Mary Lou Jazwinski, DO is a Child & Adolescent Psychiatry Physician in Chester, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1 Medical Center Blvd
Chester, PA 19013-3902
Phone: (610) 874-5257
Fax: (610) 874-7241
Show map & directions

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

Specialties & licences

Child & Adolescent Psychiatry Physician (primary) Taxonomy 2084P0804X · Licence OS004739L (PA)

Record details

NPI number1821169137
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedNovember 10, 2006
Last updated in NPPESMay 11, 2016

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