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

Dr. Mary Y Klein, MD

Individual provider Hematology & Oncology Physician · NPI 1518966589

Dr. Mary Y Klein, MD is a Hematology & Oncology Physician in Valparaiso, Indiana. Licensed in Indiana. Registered with an NPI since 2005.

Licensed in
IN
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

85 E US Highway 6 Ste 200
Valparaiso, IN 46383
Phone: (219) 983-6260
Fax: (219) 983-6010
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 01034294 (IN)

Record details

NPI number1518966589
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 20, 2005
Last updated in NPPESSeptember 11, 2020
Certification dateSeptember 11, 2020

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