Mark Coburn, MD
NPI 1811035694 · Diagnostic Radiology Physician · Round Rock, TX
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Coburn, MD is a Diagnostic Radiology Physician provider in Round Rock, TX (NPI 1811035694).
Provider details
- NPI number
- 1811035694
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD61603753 (WA)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
4,945 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) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 873 | $38 |
| X-Ray of Chest, 2 Views71046 | 425 | $10 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 344 | $26 |
| X-Ray of Chest, 2 Views71046 | 279 | $10 |
| Ct Scan of Upper Spine Without Contrast72125 | 262 | $45 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 194 | $36 |
| X-Ray of Shoulder, Minimum of 2 Views73030 |
Practice location
Mailing address
Additional practice locations (1)
- 203 S Western AveTonasket, WA 98855-8803Phone: (509) 486-2151Fax: (509) 223-1640
Registry dates
- Enumerated
- 2007-02-02
- Last updated
- 2025-12-04
- Certified
- 2025-12-04
Frequently asked questions
- What is Mark Coburn's NPI number?
- Mark Coburn's National Provider Identifier (NPI) is 1811035694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Coburn's specialty?
- Mark Coburn is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Coburn located?
- Mark Coburn's practice location on file with NPPES is 300 University Blvd, Round Rock, TX 78665-1032.
- What is Mark Coburn's phone number?
- The practice phone number listed in the NPPES registry for Mark Coburn is (512) 509-0100.
- Does Mark Coburn accept Medicare?
- Mark Coburn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Coburn's NPI active?
- Yes — Mark Coburn's NPI (1811035694) is active in the NPPES registry as of the last update on 2025-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.