THOMAS W ERTZNER MD
NPI 1013902071
Radiology - Diagnostic Radiology in Corpus Christi, TX

Q: What is Thomas Ertzner's NPI number?

The NPI number for Thomas Ertzner is 1013902071. It was assigned to this individual provider in the NPPES registry on September 15, 2005.

Q: What is Thomas Ertzner's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Ertzner was last updated on December 9, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 15, 2005PECOS EnrolledAccepts Medicare Assignment

83.13/100

CMS Quality Rating

3226 S ALAMEDA ST, CORPUS CHRISTI, TX 78404(361) 888-6684(361) 888-6686 Get Directions Write a Review

NPPES record last updated: December 9, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Thomas W Ertzner Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THOMAS W ERTZNER MD (NPI 1013902071) is an individual diagnostic radiology provider in Corpus Christi, Texas, licensed in Texas (H3031) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Laredo Medical Center, and is a graduate of University Of Nebraska College Of Medicine (1981).

NPPES Registry Identity

NPI1013902071

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameTHOMAS W ERTZNERCredential: MD

Location Address3226 S ALAMEDA STCorpus Christi, TX 78404-2508

Mailing Address3226 Reid DrCorpus Christi, TX 78404-2552 · (361) 853-4503 · Fax (361) 853-4454

Phone(361) 888-6684

Fax(361) 888-6686

Sole ProprietorNo

Medical School CMSUniversity Of Nebraska College Of MedicineGraduated 1981

Enumeration DateSeptember 15, 2005

Last NPPES UpdateDecember 9, 2011

✔ NPI 1013902071 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in TX · H3031

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

3226 S ALAMEDA ST, Corpus Christi, TX 78404

Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type Unspecified83R009

Medicare UPINA99934

Medicaid118302201TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Oscar Health, Oscar Insurance Company and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thomas W Ertzner Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3678471950

PECOS Enrollment IDI20031223000610, I20170816000691

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Thomas Ertzner reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Deliverrad PLLC

130 mi

Diagnostic Radiology

1700 E SAUNDERS ST
Laredo, TX 78041

Reassigned Medicare billing, Colorado and Texas enrollments

NPI 1316449234 (956) 796-5000

Singleton Associates PA

204 mi

Diagnostic Radiology

9250 PINECROFT DR
Shenandoah, TX 77380

Reassigned Medicare billing, Colorado and Texas enrollments
Also billed through NPI 1487811766 (Texas)
53 clinicians in this Medicare group

NPI 1538107875 (915) 264-3174

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 25

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

1,304 services1,085 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

395 services374 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

278 services268 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

129 services128 patients

Mri scan of brain without contrast 70551

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

75 services74 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

60 services55 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

49 services47 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

47 services47 patients

Ct scan of blood vessels of head with contrast 70496

A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.

44 services44 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

40 services39 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

38 services33 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

36 services34 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

35 services34 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

33 services33 patients

Ct scan of face without contrast 70486

A CT scan of the face without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your face, including bones, soft tissues, and blood vessels. It's often used to diagnose diseases, injuries, or abnormalities. No contrast dye is used in this procedure.

29 services29 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

27 services27 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

27 services27 patients

Computed tomography (ct) of brain blood flow, volume, and timing of flow analysis with contrast 0042T

A computed tomography (CT) of brain blood flow, volume, and timing of flow analysis with contrast is a non-invasive exam. It uses X-rays and a contrast material to create detailed images of your brain. It helps evaluate blood flow patterns and detect abnormalities like clots or blockages.

22 services22 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

19 services19 patients

Mri scan of brain before and after contrast 70553

An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.

15 services15 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

15 services15 patients

Ct scan of middle spine without contrast 72128

A CT scan of the middle spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed pictures of your mid-spine area. This scan helps doctors identify issues like fractures, tumors, or infections. No dye is used in this procedure.

13 services13 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

12 services12 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

12 services12 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

12 services12 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Laredo Medical Center

Acute Care Hospitals · Laredo, TX

2/5 CMS rating

OwnershipProprietary

CMS Certification Number450029

Location1700 East SaundersLaredo, TX 78044 · Webb County

Emergency services Birthing friendly

Christus Spohn Hospital Corpus Christi

Acute Care Hospitals · Corpus Christi, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450046

Location600 Elizabeth StreetCorpus Christi, TX 78404 · Nueces County

Emergency services Birthing friendly

Christus Spohn Hospital Beeville

Acute Care Hospitals · Beeville, TX

OwnershipVoluntary non-profit - Church

CMS Certification Number450082

Location1500 E Houston HwyBeeville, TX 78102 · Bee County

Emergency services Birthing friendly

Corpus Christi Medical Center,the

Acute Care Hospitals · Corpus Christi, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number450788

Location6629 Woodridge RoadCorpus Christi, TX 78414 · Nueces County

Emergency services Birthing friendly

Christus Spohn Hospital Alice

Acute Care Hospitals · Alice, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450828

Location2500 E Main StreetAlice, TX 78332 · Jim Wells County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78404 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$84.92 typical visit price

range $54.84 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.13/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

80.16

Improvement Activities

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KENNETH S VANEXAN MD

Radiology (Diagnostic Radiology)