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

Mark Steven Deardorff, DC

Individual provider Chiropractor · NPI 1780143487

Mark Steven Deardorff, DC is a Chiropractor in Lemoyne, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2019
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

See every abbreviation used in this directory →

Practice location Address checks out

501 Market St
Lemoyne, PA 17043-1594
Phone: (717) 763-7711
Fax: (717) 763-7197
Show map & directions

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

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence DC008906 (PA)

Record details

NPI number1780143487
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedMarch 13, 2019
Last updated in NPPESMarch 13, 2019

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