DR. WILLIAM LOUIS WARSHAUER III M.D.
NPI 1902226301
Radiology - Diagnostic Radiology in Fort Worth, TX

Q: What is William Warshauer's NPI number?

The NPI number for William Warshauer is 1902226301. It was assigned to this individual provider in the NPPES registry on April 24, 2014.

Q: What is William Warshauer'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 William Warshauer was last updated on August 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 April 24, 2014PECOS EnrolledAccepts Medicare Assignment

93.65/100

CMS Quality Rating

815 PENNSYLVANIA AVE, FORT WORTH, TX 76104(817) 321-0404 Get Directions Write a Review

NPPES record last updated: August 12, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 12, 2021, May 4, 2021, Apr 15, 2021 (3 updates tracked since 2021).

On this page

About Dr. William Louis Warshauer Iii M.d. NPPES

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

DR. WILLIAM LOUIS WARSHAUER III M.D. (NPI 1902226301) is an individual diagnostic radiology provider in Fort Worth, Texas, licensed in Texas (Q7300) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Texas Health Harris Methodist Hospital Fort Worth, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2014).

NPPES Registry Identity

NPI1902226301

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameDR. WILLIAM LOUIS WARSHAUER IIICredential: M.D.

Location Address815 PENNSYLVANIA AVEFort Worth, TX 76104-2224

Mailing Address816 W Cannon StFort Worth, TX 76104-3146 · (817) 321-0404

Phone(817) 321-0404

Sole ProprietorNo

Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2014

Enumeration DateApril 24, 2014

Last NPPES UpdateAugust 12, 20213 updates tracked since enumeration

NPPES CertifiedAugust 12, 2021

✔ NPI 1902226301 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 · Q7300

Definition

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

815 PENNSYLVANIA AVE, Fort Worth, TX 76104

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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, Cigna Healthcare 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

Dr. William Louis Warshauer Iii 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 ID9638468812

PECOS Enrollment IDI20160511000579

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 William Warshauer reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Radiology Associates Of North Texas, PA

0.8 mi

Diagnostic Radiology

1320 S UNIVERSITY DR
Fort Worth, TX 76107

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

NPI 1861782740 (817) 321-0404

Methodist-Cdi

18 mi

Diagnostic Radiology

2975 E BROAD ST STE 101
Mansfield, TX 76063

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

NPI 1841742038 (214) 420-5445

North Star Gv, LP

18 mi

Radiology

2535 IRA E WOODS AVE STE 101
Grapevine, TX 76051

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

NPI 1922512664 (972) 649-6460

North Star Cn, LP

34 mi

Radiology

4780 N JOSEY LN
Carrollton, TX 75010

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

NPI 1013305945 (972) 492-1334

North Star Npt LP

35 mi

Radiology

6101 W PLANO PKWY STE 150
Plano, TX 75093

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

NPI 1699387647 (972) 649-6460

North Star Fp, LP

35 mi

Radiology

11970 N CENTRAL EXPY STE 100
Dallas, TX 75243

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

NPI 1033630835 (972) 649-6460

North Star Mri Of Frisco LP

41 mi

Radiology

8501 WADE BLVD., SUITE 220
Frisco, TX 75034

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

NPI 1649356759 (214) 618-3420

North Star Mri LP

46 mi

Radiology

997 RAINTREE CIRCLE, SUITE 110
Allen, TX 75013

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

NPI 1033174701 (972) 954-8001

Vibra Physicians LLC

678 mi

Hospitalist

4401 UNION ST
Johnstown, CO 80534

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

NPI 1659705424 (970) 278-9340

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 50

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.

1,600 services16 patients

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.

450 services383 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

127 services125 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.

96 services95 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.

95 services94 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.

80 services80 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.

78 services75 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.

76 services75 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.

64 services57 patients

Nuclear medicine study of lung circulation 78580

A nuclear medicine study of lung circulation involves the use of a safe, radioactive substance to visualize lung function. It helps in diagnosing conditions like blood clots. The substance is injected and images are taken to study the blood flow in your lungs.

56 services56 patients

Nuclear medicine study of bone and/or joint whole body 78306

A nuclear medicine study of bone and/or joint whole body involves injecting a small amount of radioactive material into your body. This material travels to your bones and emits energy. A special camera captures this energy, creating images of your bones to help identify any abnormalities.

53 services52 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

51 services50 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.

50 services45 patients

Nuclear medicine study from skull base to mid-thigh with ct scan 78815

A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.

45 services40 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.

44 services43 patients

X-ray of chest, 2 views 71046

38 services37 patients

Nuclear medicine study of liver and bile duct system 78226

A nuclear medicine study of the liver and bile duct system involves the use of a small amount of radioactive material to create detailed images. This helps doctors examine the liver's function and structure, and detect any abnormalities in the bile ducts.

38 services38 patients

Nuclear medicine study, spect imaging with concurrent ct scan, 1 area or single acquisition, single day imaging 78830

A nuclear medicine study with SPECT and concurrent CT scan is a special imaging test. It uses a small amount of radioactive substance and advanced imaging techniques to create detailed pictures of your internal body structures. It aids in diagnosing and tracking the progress of treatment for various diseases.

37 services34 patients

Nuclear medicine study from skull base to mid-thigh with ct scan 78815

36 services36 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

33 services32 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.

31 services31 patients

Nuclear medicine study of bone taken at different times 78315

A nuclear medicine bone study involves injecting a small amount of radioactive material into your body. This material collects in the bones and is detected by a special camera to create images. These images are taken at different times to track changes and help diagnose bone conditions.

31 services31 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

29 services23 patients

3d radiographic procedure 76376

A 3D radiographic procedure is a non-invasive imaging test that helps doctors visualize the internal structures of your body in three dimensions. This advanced technology provides detailed images, aiding in accurate diagnosis and treatment planning. It involves exposure to minimal radiation.

27 services27 patients

X-ray of abdomen, 1 view 74018

26 services26 patients

Nuclear medicine study to assess blood loss 78278

A nuclear medicine study is a type of imaging test. It uses a small amount of radioactive material to help identify blood loss. This material is injected into your body and detected by a special camera, providing images of your internal structures.

26 services25 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.

25 services24 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

25 services20 patients

Ct scan of abdomen and pelvis before and after contrast 74178

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

25 services25 patients

Mri scan of abdomen before and after contrast 74183

24 services24 patients

X-ray of hip, 2-3 views 73502

22 services22 patients

X-ray of shoulder, minimum of 2 views 73030

21 services19 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.

21 services20 patients

Mri scan of abdomen without contrast 74181

An MRI scan of the abdomen without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed pictures of your abdominal organs. This procedure doesn't involve radiation or dye injection.

21 services21 patients

Ct scan of chest without contrast 71250

20 services20 patients

X-ray of thigh bone, minimum 2 views 73552

An X-ray of the thigh bone is a non-invasive imaging test. It involves passing a small amount of radiation through the thigh to produce images of the bone structure. At least two different angles are captured for a comprehensive view. This helps detect fractures, infections, or other abnormalities.

18 services17 patients

Ultrasound scan of transplanted kidney 76776

An ultrasound scan of a transplanted kidney is a non-invasive imaging procedure. It uses sound waves to produce images of your kidney, helping to monitor its health and function. This test helps detect any potential issues early, ensuring the kidney is working properly.

18 services17 patients

Ct scan of blood vessels of abdomen and pelvis with contrast 74174

A CT scan of the abdomen and pelvis with contrast is a medical imaging procedure. A special dye, called contrast, is used to make blood vessels more visible. The scan produces detailed images of your abdomen and pelvis, helping doctors to diagnose conditions or plan treatments.

17 services17 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.

17 services17 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

16 services16 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.

15 services15 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

15 services12 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

15 services14 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.

14 services14 patients

Nuclear medicine studies of kidney, blood flow, and function 78709

Nuclear medicine studies of the kidney, blood flow, and function involve using small amounts of radioactive materials to create images of your kidneys. This helps in assessing their structure and working condition, aiding in early diagnosis and treatment planning.

13 services12 patients

X-ray of lower and sacral spine, minimum of 4 views 72110

An X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.

12 services12 patients

X-ray of knee, 3 views 73562

12 services11 patients

Nuclear medicine study of liver and bile duct system with use of drugs 78227

A nuclear medicine study of the liver and bile duct system involves injecting a safe, radioactive substance into the body. This substance helps create images of these areas on a special camera. It's often combined with drug use to improve image clarity and aid in diagnosing various conditions.

12 services12 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.

11 services11 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Texas Health Harris Methodist Hospital Fort Worth

Acute Care Hospitals · Fort Worth, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number450135

Location1301 Pennsylvania AvenueFort Worth, TX 76104 · Tarrant County

Emergency services Birthing friendly

Texas Health Presbyterian Hospital Dallas

Acute Care Hospitals · Dallas, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450462

Location8200 Walnut Hill LaneDallas, TX 75231 · Dallas County

Emergency services Birthing friendly

Methodist Charlton Medical Center

Acute Care Hospitals · Dallas, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450723

Location3500 W Wheatland RoadDallas, TX 75237 · Dallas County

Emergency services Birthing friendly

Texas Health Harris Methodist Hospital Southwest F

Acute Care Hospitals · Fort Worth, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450779

Location6100 Harris PkwyFort Worth, TX 76132 · Tarrant County

Emergency services Birthing friendly

Christus St Michael Health System

Acute Care Hospitals · Texarkana, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number450801

Location2600 St Michael DrTexarkana, TX 75503 · Bowie County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 76104 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

$87.20 typical visit price

range $56.47 – $171.07

Typical copayment $21.80 (range $14.11 – $42.76)

Most-billed visit code 99203

Established Patient

$70.45 typical visit price

range $18.18 – $139.68

Typical copayment $17.61 (range $4.54 – $34.92)

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.

93.65/100

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

Scored as part of a group practice

Quality

92.53

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.

KELLY C STARKEY M.D.

Radiology (Diagnostic Radiology)