Sonia Yousuf, MD
NPI 1194851394 · Rheumatology Physician · Austin, TX
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sonia Yousuf, MD is a Rheumatology Physician provider in Austin, TX (NPI 1194851394).
Provider details
- NPI number
- 1194851394
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301089195 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,561 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 519 | $127 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 504 | $71 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 354 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 342 | $10 |
| Red Blood Cell Sedimentation Rate, to Detect Inflammation, Automated85652 | 320 | $3 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 539 | 138 |
| Methotrexate Sodiumbrand: Methotrexate | 528 | 100 |
| Prednisone | 205 | 69 |
| Gabapentin | 148 | 45 |
| Leflunomide | 141 | 25 |
| Alendronate Sodium | 135 | 46 |
| Allopurinol | 116 | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 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
Registry dates
- Enumerated
- 2007-02-24
- Last updated
- 2016-01-27
Frequently asked questions
- What is Sonia Yousuf's NPI number?
- Sonia Yousuf's National Provider Identifier (NPI) is 1194851394, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonia Yousuf's specialty?
- Sonia Yousuf is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Sonia Yousuf located?
- Sonia Yousuf's practice location on file with NPPES is 1807 W Slaughter Ln, Austin, TX 78748-6230.
- What is Sonia Yousuf's phone number?
- The practice phone number listed in the NPPES registry for Sonia Yousuf is (512) 282-8937.
- Does Sonia Yousuf accept Medicare?
- Sonia Yousuf is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sonia Yousuf's NPI active?
- Yes — Sonia Yousuf's NPI (1194851394) is active in the NPPES registry as of the last update on 2016-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.