Providers
3
Locations
1
Specialties
2
Insurance Plans
8
About William S Marsh Iii, Do, Pa
Background and practice information
William S Marsh Iii, DO, PA is a small group medical practice based in Killeen, TX, with 3 affiliated healthcare providers.
The practice brings together providers across several specialties, including physician assistant, and physical medicine and rehabilitation. Its providers are in-network with 8 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.
Across its providers, the practice has a strong average Merit-based Incentive Payment System (MIPS) score of 87.1 out of 100, a quality measure published by the Centers for Medicare & Medicaid Services.
Practice Locations
1 location
William S Marsh Iii, Do, PaPrimary
5320 E CENTRAL TEXAS EXPY, Killeen, TX 765435516
(254) 519-1900
Affiliations
Hospitals where providers at William S Marsh Iii, Do, Pa hold admitting privileges
Insurance Networks
Accepted insurance plans and networks
William S Marsh Iii, Do, Pa accepts 86 plans from 8 insurers, including HCSC: BCBS Texas, Cigna, UnitedHealthcare.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Quality & Performance
Specialties at William S Marsh Iii, Do, Pa
Provider specialties represented at this practice
Frequently Asked Questions
Common questions about William S Marsh Iii, Do, Pa
How many providers are at William S Marsh Iii, DO, PA?
William S Marsh Iii, DO, PA has 3 affiliated healthcare providers. You can browse the full provider roster, with specialties and locations, on this page.
What specialties does William S Marsh Iii, DO, PA offer?
The practice includes providers in physician assistant, and physical medicine and rehabilitation. Use the specialty filter on the provider list to find a specific type of provider.
What insurance does William S Marsh Iii, DO, PA accept?
Providers at William S Marsh Iii, DO, PA are collectively in-network with 8 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.
Does William S Marsh Iii, DO, PA have a quality rating?
The practice's providers have an average MIPS quality score of 87.1 out of 100, based on Centers for Medicare & Medicaid Services data. MIPS measures performance across quality, cost, care coordination, and use of health technology.
Where is William S Marsh Iii, DO, PA located?
William S Marsh Iii, DO, PA's primary location is in Killeen, TX. See the contact section for the full address and phone number.
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