Matheau Julien, MD
NPI 1619189933 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Round Rock, TX
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matheau Julien, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Round Rock, TX (NPI 1619189933).
Provider details
- NPI number
- 1619189933
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101274262 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
35 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) |
|---|---|---|
| Replacement of Aortic Valve Through the Skin and Femoral Artery33361 | 18 | $703 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 17 | $128 |
Typical Medicare-allowed amounts for these services range $128–$703 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (5)
- 305 W Jackson St Ste 206Carbondale, IL 62901-1474Phone: (618) 457-3006Fax: (618) 457-3007
- 251 E Huron StGalter 3-150Chicago, IL 60611-2908Phone: (312) 926-6512
- 22060 Beech St Ste 300Dearborn, MI 48124-2847Phone: (313) 228-0230
- 600 Gresham Dr Ste 8600Norfolk, VA 23507-1904Phone: (757) 388-6006
- 525 Lilly Rd Ne Ste 200Olympia, WA 98506-5101Phone: (360) 493-4510Fax: (360) 493-7759
Registry dates
- Enumerated
- 2007-05-07
- Last updated
- 2026-05-19
- Certified
- 2026-05-19
Frequently asked questions
- What is Matheau Julien's NPI number?
- Matheau Julien's National Provider Identifier (NPI) is 1619189933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matheau Julien's specialty?
- Matheau Julien is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Matheau Julien located?
- Matheau Julien's practice location on file with NPPES is 300 University Blvd, Round Rock, TX 78665-1032.
- What is Matheau Julien's phone number?
- The practice phone number listed in the NPPES registry for Matheau Julien is (515) 509-0100.
- Does Matheau Julien accept Medicare?
- Matheau Julien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matheau Julien's NPI active?
- Yes — Matheau Julien's NPI (1619189933) is active in the NPPES registry as of the last update on 2026-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.