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

Marilyn Horton, MD, PA

Organization Internal Medicine Physician · NPI 1538341284

Marilyn Horton, MD, PA is an Internal Medicine Physician in Dallas, Texas. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

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Practice location Address checks out

8210 Walnut Hill Ln Ste 515
Dallas, TX 75231-4420
Phone: (214) 239-1938
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1538341284
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Marilyn Horton — President · (214) 239-1938
NPI enumeratedDecember 4, 2007
Last updated in NPPESDecember 4, 2007
Mailing address8210 Walnut Hill Ln Ste 515, Dallas, TX 75231-4420

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