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

William S Marsh III, DO, PA

Organization Family Medicine Physician · NPI 1063440014

William S Marsh III, DO, PA is a Family Medicine Physician in Killeen, Texas. Registered with an NPI since 2006.

In the registry since
2006
Specialties on file
3
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

5320 E Central Texas Expy Ste 105
Killeen, TX 76543-5516
Phone: (254) 519-1900
Fax: (254) 519-1980
Show map & directions

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

Specialties & licences

Physical Medicine & Rehabilitation Physician (primary) Taxonomy 208100000X
Family Medicine Physician Taxonomy 207Q00000X
Urgent Care Clinic/Center Taxonomy 261QU0200X

Record details

NPI number1063440014
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Marsh — Owner · (254) 519-1900
NPI enumeratedJune 29, 2006
Last updated in NPPESAugust 8, 2022
Certification dateAugust 8, 2022
Mailing addressPo Box 11748, Killeen, TX 76547-1748

Other providers in Killeen