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

Walter M Klein, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1326083833

Walter M Klein, MD is a Pathology in Wynnewood, Pennsylvania. Graduated from Perelman School of Med at the University of Pennsylvania in 2000, 26 years ago. Practices with Main Line Pathology Associates, PC, a 10-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
26
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
PA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

100 E Lancaster Ave Pathology Dept Lankenau Hospital
Wynnewood, PA 19096-3450
Phone: (610) 645-2613
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence MD428595 (PA)

Record details

NPI number1326083833
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 18, 2006
Last updated in NPPESJuly 13, 2026
Mailing address100 E Lancaster Ave, Pathology Dept, Lankenau Hospital, Wynnewood, PA 19096-3450

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 2000 (26 years in practice)
Group practice Main Line Pathology Associates, Pc — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Wynnewood