Thomas Ertzner, MD
NPI 1013902071 · Diagnostic Radiology Physician · Corpus Christi, TX
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Ertzner, MD is a Diagnostic Radiology Physician provider in Corpus Christi, TX (NPI 1013902071).
Provider details
- NPI number
- 1013902071
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- H3031 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,766 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 1,304 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 395 | $39 |
| X-Ray of Chest, 2 Views71046 | 278 | $10 |
| Ct Scan of Upper Spine Without Contrast72125 | 129 | $46 |
| Mri Scan of Brain Without Contrast70551 | 75 | $67 |
| X-Ray of Abdomen, 1 View74018 | 60 | $9 |
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-15
- Last updated
- 2011-12-09
Frequently asked questions
- What is Thomas Ertzner's NPI number?
- Thomas Ertzner's National Provider Identifier (NPI) is 1013902071, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Ertzner's specialty?
- Thomas Ertzner is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Ertzner located?
- Thomas Ertzner's practice location on file with NPPES is 3226 S Alameda St, Corpus Christi, TX 78404-2508.
- What is Thomas Ertzner's phone number?
- The practice phone number listed in the NPPES registry for Thomas Ertzner is (361) 888-6684.
- Does Thomas Ertzner accept Medicare?
- Thomas Ertzner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Ertzner's NPI active?
- Yes — Thomas Ertzner's NPI (1013902071) is active in the NPPES registry as of the last update on 2011-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.