Troy Williams, MD
NPI 1104912591 · Family Medicine Physician · Austin, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Troy Williams, MD is a Family Medicine Physician provider in Austin, TX (NPI 1104912591).
Provider details
- NPI number
- 1104912591
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- N4206 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$49 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 3031 W Ih 10San Antonio, TX 78201-5159Phone: (210) 261-1000Fax: (210) 731-8678
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2023-05-24
- Certified
- 2023-05-24
Frequently asked questions
- What is Troy Williams's NPI number?
- Troy Williams's National Provider Identifier (NPI) is 1104912591, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Troy Williams's specialty?
- Troy Williams is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Troy Williams located?
- Troy Williams's practice location on file with NPPES is 8300 N Lamar Blvd Ste 200a, Austin, TX 78753-5976.
- What is Troy Williams's phone number?
- The practice phone number listed in the NPPES registry for Troy Williams is (512) 575-9555.
- Does Troy Williams accept Medicare?
- Troy Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Troy Williams's NPI active?
- Yes — Troy Williams's NPI (1104912591) is active in the NPPES registry as of the last update on 2023-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.