Dustyn Williams, MD
NPI 1699064766 · Endocrinology, Diabetes & Metabolism Physician · Austin, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dustyn Williams, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Austin, TX (NPI 1699064766).
Provider details
- NPI number
- 1699064766
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- R3247 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
458 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 155 | $128 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 89 | $181 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 81 | $49 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 41 | $32 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 35 | $39 |
Practice location
Mailing address
Additional practice locations (2)
- 2111 Kramer Ln Ste 100Austin, TX 78758-4032Phone: (512) 508-8320Fax: (512) 488-1745
- 3007 Longhorn Blvd Ste 102Austin, TX 78758-7632Phone: (512) 566-4233
Registry dates
- Enumerated
- 2011-03-29
- Last updated
- 2026-02-25
- Certified
- 2026-02-25
Frequently asked questions
- What is Dustyn Williams's NPI number?
- Dustyn Williams's National Provider Identifier (NPI) is 1699064766, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dustyn Williams's specialty?
- Dustyn Williams is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Dustyn Williams located?
- Dustyn Williams's practice location on file with NPPES is 11671 Jollyville Rd Ste 202, Austin, TX 78759-4141.
- What is Dustyn Williams's phone number?
- The practice phone number listed in the NPPES registry for Dustyn Williams is (512) 343-9848.
- Does Dustyn Williams accept Medicare?
- Dustyn Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dustyn Williams's NPI active?
- Yes — Dustyn Williams's NPI (1699064766) is active in the NPPES registry as of the last update on 2026-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.