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

Mark Hassler

Individual provider Acute Care Nurse Practitioner · NPI 1871789735

Mark Hassler is an Acute Care Nurse Practitioner in Fort Sam Houston, Texas. Licensed in Tennessee. Registered with an NPI since 2007.

Licensed in
TN
In the registry since
2007

Practice location Address checks out

3851 Roger Brooke Dr Brooke Army Medical Ctr
Fort Sam Houston, TX 78234-4501
Phone: (210) 221-5212
Fax: (270) 956-0180
Show map & directions

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

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence 0000012787 (TN)

Record details

NPI number1871789735
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedSeptember 24, 2007
Last updated in NPPESOctober 8, 2010

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