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

Stephen L. Mark, MD

Individual provider Psychiatry Physician · NPI 1407866403

Stephen L. Mark, MD is a Psychiatry Physician in Waco, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
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

405 Londonderry Dr Ste 202
Waco, TX 76712-7921
Phone: (254) 772-6770
Fax: (254) 772-8471
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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 E2703 (TX)

Record details

NPI number1407866403
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 9, 2006
Last updated in NPPESJuly 8, 2007
Mailing address405 Londonderry Dr Ste 202, Waco, TX 76712-7921

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