Thomas W. Ertzner, MD
Diagnostic Radiology Physician · Corpus Christi, TX
Thomas W. Ertzner, MD is a diagnostic radiology physician with a practice address in Corpus Christi, Texas, and NPI 1013902071, issued on Sep 15, 2005. Check the license (Texas H3031, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas W. Ertzner
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- H3031 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3226 S Alameda St, Corpus Christi, TX 78404
- Phone
- (361) 888-6684
- Enumerated
- Sep 15, 2005
- Record last updated
- Dec 9, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (361) 888-6686
- Medicaid ID
- 118302201 TX
- Medicare enrollment
- Enrolled (PECOS I20170816000691); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 3,124 in Texas → Look up another NPI →
Also registered at 3226 S Alameda St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexander Aitken, MDDiagnostic Radiology Physician1720072408
- Rudolph Alvarado, MDDiagnostic Radiology Physician1184619645
- Robert Beauchamp, MDDiagnostic Radiology Physician1578557161
- Carlos Gutierrez QuehlDiagnostic Radiology Physician1366437840
- Ryan Hanisch, M.D.Diagnostic Radiology Physician1679796783
- Christopher Hendrix, D.O.Vascular & Interventional Radiology Physician1710195276
Verify Thomas W. Ertzner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H3031Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 83.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Singleton Associates PADenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas W. Ertzner among 3,124 diagnostic radiology physician records in Texas
Thomas W. Ertzner, MD is one of 3,124 diagnostic radiology physician records with a practice address in Texas. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1981 · median 2003 among the 2,277 with a school on file
- Record last updated2011 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Texas
There are 3,124 diagnostic radiology physician records in Texas.
All 3,124 in Texas → Every provider in Corpus Christi → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Alexander Aitken, MDCorpus Christi, TX 784041720072408
- Rudolph Alvarado, MDCorpus Christi, TX 784041184619645
- Robert Beauchamp, MDCorpus Christi, TX 784041578557161
- Richard Chepey, M.D.Corpus Christi, TX 784041629073887
- Kenneth Cook, M.D.Corpus Christi, TX 784041881699601
- Patrick Elvin, M.D.Corpus Christi, TX 784041154327336
- Karl Fan, M.D.Corpus Christi, TX 784041962408989
- Carlos Gutierrez QuehlCorpus Christi, TX 784041366437840
Common questions
What is Thomas W. Ertzner, MD's NPI number?
Thomas W. Ertzner, MD's National Provider Identifier (NPI) is 1013902071, issued on Sep 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thomas W. Ertzner, MD located?
The NPPES record lists a practice address at 3226 S Alameda St, Corpus Christi, TX, 78404. Phone: (361) 888-6684. Providers update this record themselves, so call before visiting.
How can I verify Thomas W. Ertzner, MD's license?
NPPES lists Texas license number H3031, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Thomas W. Ertzner, MD's MIPS final score?
The 2023 MIPS final score is 83.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.