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

Dr. Louis Arthur Leaff, MD

Individual provider Psychiatry Physician · NPI 1619986809

Dr. Louis Arthur Leaff, MD is a Psychiatry Physician in Bala Cynwyd, Pennsylvania. Practices as a sole proprietor. Licensed in Delaware and Pennsylvania.

Licensed in
DE, PA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

555 E City Ave 520
Bala Cynwyd, PA 19004-1115
Phone: (610) 667-2899
Fax: (610) 664-2429
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence MD008903E (PA)
Psychiatry Physician Taxonomy 2084P0800X · Licence C1-0002479 (DE)

Record details

NPI number1619986809
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 5, 2006
Last updated in NPPESJuly 8, 2007

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