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

Individual provider Psychiatry Physician · NPI 1790906733

Dr. Louis Littman, MD, PHD is a Psychiatry Physician in Philadelphia, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1420 Walnut St
Philadelphia, PA 19102
Phone: (215) 735-4888
Fax: (215) 735-2020
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence MD417898 (PA)

Record details

NPI number1790906733
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedMay 1, 2007
Last updated in NPPESJuly 8, 2007

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