NPI age
15 years
Enumerated 2011-03-29
● Active
Type 1 · Individual
Dustyn Erik Williams, MD
Williams is 1 of 42 internal medicine providers in Austin and 1 of 935 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX, CA
2 states
Status
Active
No deactivations on record
Last NPPES update
2026-02-25
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 935 active internal medicine providers in Texas.
NPI age
15 years
↓ 3 yr below median (18 yr)
State licenses
2 states
Top 84% — 15% of peers are multi-state
Subspecialties
1
In the 38% of peers with subspecialties
NPI lifetime · 2011 → 2026
2011-03Enumerated in NPPES
2011
2026
Where they practice
Practice location
11671 Jollyville Rd Ste 202
Austin, TX 787594141
Mailing address
11671 Jollyville Rd Ste 202
Austin, TX 787594141
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
2111 Kramer Ln Ste 100
Austin, TX 787584032
Location 3
3007 Longhorn Blvd Ste 102
Austin, TX 787587632
Specialties
-
Internal Medicine PrimaryAn internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary...
-
Internal MedicineA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Practice context
Part of a multi-provider practice. 2 other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 935 Internal Medicine providers in Texas?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
Request a quote →How to verify this provider
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.