MARK G POAG M.D.
NPI 1790756708
Radiology - Diagnostic Radiology in Austin, TX

Q: What is Mark Poag's NPI number?

The NPI number for Mark Poag is 1790756708. It was assigned to this individual provider in the NPPES registry on January 28, 2006.

Q: What is Mark Poag'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 Mark Poag was last updated on February 23, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 January 28, 2006PECOS EnrolledAccepts Medicare Assignment

92.71/100

CMS Quality Rating

12554 RIATA VISTA CIR, AUSTIN, TX 78727(512) 795-5100(512) 795-5122 Get Directions Write a Review

NPPES record last updated: February 23, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Mark G Poag M.d. NPPES

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

MARK G POAG M.D. (NPI 1790756708) is an individual diagnostic radiology provider in Austin, Texas, licensed in Texas (G5489) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Christus Santa Rosa Hospital-san Marcos, and is a graduate of University Of Texas Medical School At San Antonio (1983).

NPPES Registry Identity

NPI1790756708

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameMARK G POAGCredential: M.D.

Location Address12554 RIATA VISTA CIRAustin, TX 78727-6431

Mailing Address12554 Riata Vista CirAustin, TX 78727-6431 · (512) 795-5100 · Fax (512) 795-5122

Phone(512) 795-5100

Fax(512) 795-5122

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 1983

Enumeration DateJanuary 28, 2006

Last NPPES UpdateFebruary 23, 2018

✔ NPI 1790756708 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

Licenses✔ Licensed in TX · G5489✔ Licensed in MI · 4301056212

Definition

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

12554 RIATA VISTA CIR, Austin, TX 78727

Open in Google Maps ↗

Other Identifiers 2

Medicaid039376102TX

Medicaid2794238MI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Harbor Health 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

Mark G Poag M.d. 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 ID7113823501

PECOS Enrollment IDI20080603000456

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 Mark Poag reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Austin Radiological Association

Same address

Radiology

12554 RIATA VISTA CIR
Austin, TX 78727

Reassigned Medicare billing, Texas enrollment
187 clinicians in this Medicare group

NPI 1033196464 (512) 795-5100

Singleton Associates PA

138 mi

Diagnostic Radiology

9250 PINECROFT DR
Shenandoah, TX 77380

Reassigned Medicare billing, Texas enrollment
1,278 clinicians in this Medicare group

NPI 1487811766 (936) 266-2000

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 31

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

5,925 services68 patients

Injection, gadobutrol, 0.1 ml A9585

Gadobutrol is a contrast agent used during MRI scans to help provide clearer images. It's injected into your vein before the scan. This helps doctors to see certain areas more clearly for better diagnosis. It's generally safe with few side effects.

4,265 services55 patients

Screening 3d breast mammography 77063

Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.

475 services475 patients

Screening mammography 77067

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

474 services474 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.

227 services224 patients

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279

Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.

136 services136 patients

Limited ultrasound scan of 1 breast 76642

A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.

106 services106 patients

Diagnostic mammography of 1 breast 77065

Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.

81 services81 patients

Diagnostic mammography of both breasts 77066

Diagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.

79 services79 patients

Screening mammography 77067

71 services71 patients

Screening 3d breast mammography 77063

69 services69 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.

43 services43 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

34 services33 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.

31 services31 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.

29 services29 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

26 services26 patients

Mri scan of leg joint without contrast 73721

An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.

22 services20 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.

19 services19 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

18 services17 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

17 services17 patients

Blood creatinine level 82565

A blood creatinine level test measures the amount of creatinine in your blood. Creatinine is a waste product that your body produces when it uses energy. High levels may indicate that your kidneys aren't working properly. This test is often used to monitor kidney health.

17 services17 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.

15 services15 patients

Mri scan of abdomen before and after contrast 74183

An MRI scan of the abdomen before and after contrast provides detailed images of your abdominal organs. Initially, images are taken without a contrast agent. Then, a safe dye is administered, usually via an IV, to highlight certain areas, giving a clearer picture to help diagnose various conditions.

15 services15 patients

Complete ultrasound scan of 1 breast 76641

A complete ultrasound scan of one breast is a non-invasive imaging test that uses sound waves to create detailed images of the inside of your breast. It helps in detecting any abnormalities or changes, ensuring your breast health.

15 services15 patients

Mri scan of arm joint without contrast 73221

An MRI scan of the arm joint is a non-invasive imaging procedure that uses magnetic fields and radio waves to create detailed images of the structures within your arm joint. No contrast dye is used in this process. It helps to diagnose or monitor conditions like arthritis, injuries, or infections.

14 services14 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.

13 services13 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.

13 services11 patients

Biopsy of breast and placement of locating device using ultrasound, first growth 19083

A breast biopsy with locating device placement involves taking a small sample from an unusual growth, using ultrasound for precise targeting. This sample is studied for any abnormal cells. A locating device is also placed to mark the area for future reference.

12 services12 patients

Low dose ct scan of chest for lung cancer screening 71271

A low-dose CT scan of the chest is a quick, painless procedure that uses a small amount of radiation to create detailed images of your lungs. It's a key tool for early detection of lung cancer, especially for those at high risk.

12 services12 patients

Mri scan of upper spinal canal without contrast 72141

An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.

12 services12 patients

Ct scan of leg without contrast 73700

A CT scan of the leg is a non-invasive imaging test that uses X-rays to capture detailed images of your leg's bones, muscles, and blood vessels. It doesn't use contrast dye and doesn't cause any pain. It helps in diagnosing injuries or diseases.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Christus Santa Rosa Hospital-San Marcos

Acute Care Hospitals · San Marcos, TX

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number450272

Location1301 Wonder World DriveSan Marcos, TX 78666 · Hays County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78727 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

$89.03 typical visit price

range $57.88 – $174.00

Typical copayment $22.25 (range $14.47 – $43.50)

Most-billed visit code 99203

Established Patient

$71.95 typical visit price

range $18.88 – $142.23

Typical copayment $17.98 (range $4.72 – $35.55)

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.

92.71/100

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

Scored as part of a group practice

Quality

91.42

Improvement Activities

Other Providers at the Same Location NPPES 20

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

DR. GREGORY CONNOR MD

Radiology (Diagnostic Radiology)