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

Thomas J Riordan, MD

Individual provider Psychiatry Physician · NPI 1558479329

Thomas J Riordan, MD is a Psychiatry Physician in Rosemont, Pennsylvania. Practices as a sole proprietor. Licensed in 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.

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Practice location Address checks out

1030 E Lancaster Ave Ste L-10
Rosemont, PA 19010
Phone: (610) 565-1244
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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 MD421661 (PA)

Record details

NPI number1558479329
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 29, 2006
Last updated in NPPESMay 13, 2013
Mailing address1030 E. Lancaster Ave, Suite L-10, Rosemont, PA 19010

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