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

Mark M. Casillas, MD, PA

Organization Orthopaedic Surgery Physician · NPI 1174772461

Mark M. Casillas, MD, PA is an Orthopaedic Surgery Physician in San Antonio, Texas. Licensed in Texas. Registered with an NPI since 2008.

Licensed in
TX
In the registry since
2008
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

414 Navarro St Ste 1616
San Antonio, TX 78205-2516
Phone: (210) 224-2655
Fax: (866) 644-0889
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence J1917 (TX)

Record details

NPI number1174772461
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Michelle Fleming — Office Manager · (210) 224-2655
Other names Foot And Ankle Center Of South Texas
NPI enumeratedSeptember 11, 2008
Last updated in NPPESDecember 2, 2009
Mailing address414 Navarro St, Suite 1616, San Antonio, TX 78205-2516

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