WILLIAM TANNER DAWSON M.D.
NPI 1821291915
Radiology - Diagnostic Radiology in Marrero, LA

Q: What is William Dawson's NPI number?

The NPI number for William Dawson is 1821291915. It was assigned to this individual provider in the NPPES registry on June 7, 2007.

Q: What is William Dawson'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 Dawson was last updated on June 14, 2012. 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 June 07, 2007PECOS EnrolledAccepts Medicare Assignment

95.23/100

CMS Quality Rating

1111 MEDICAL CENTER BLVD, SUITE N-108, MARRERO, LA 70072(504) 349-1461(504) 349-1461 Get Directions Write a Review

NPPES record last updated: June 14, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About William Tanner Dawson M.d. NPPES

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

WILLIAM TANNER DAWSON M.D. (NPI 1821291915) is an individual diagnostic radiology provider in Marrero, Louisiana, licensed in Louisiana (205371) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Ochsner Medical Center Acute, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2006).

NPPES Registry Identity

NPI1821291915

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameWILLIAM TANNER DAWSONCredential: M.D.

Location Address1111 MEDICAL CENTER BLVD, SUITE N-108Marrero, LA 70072-3151

Mailing Address1111 Medical Center Blvd, Suite N-108Marrero, LA 70072-3151 · (504) 349-1461 · Fax (504) 349-1461

Phone(504) 349-1461

Fax(504) 349-1461

Sole ProprietorNo

Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 2006

Enumeration DateJune 7, 2007

Last NPPES UpdateJune 14, 2012

✔ NPI 1821291915 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 LA · 205371

Definition

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

1111 MEDICAL CENTER BLVD, Marrero, LA 70072

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMO Louisiana.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William Tanner Dawson 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 ID1951566389

PECOS Enrollment IDI20120709000725

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.

Areas of Expertise CMS Part B claims 19

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.

203 services161 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.

86 services85 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.

72 services67 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.

47 services38 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

40 services38 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.

37 services36 patients

Aspiration of fluid from chest cavity using imaging guidance 32555

This procedure, known as a thoracentesis, involves removing fluid from the space between the lungs and chest wall, called the pleural space. It's performed under imaging guidance to ensure precision. It can help diagnose conditions or relieve symptoms like shortness of breath.

28 services18 patients

Review by radiologist of ct guidance for needle placement 77012

This process involves a radiologist examining CT scan images to accurately guide a needle's placement within the body. This technique is often used for biopsies or treatments, ensuring precision and safety.

26 services26 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.

25 services25 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.

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

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

15 services14 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

15 services15 patients

Fine needle aspiration biopsy using ultrasound guidance, first growth 10005

Fine needle aspiration biopsy with ultrasound guidance is a procedure where a thin needle is inserted into a growth to extract a small sample. Ultrasound helps accurately locate the growth. This sample is then analyzed to determine the nature of the growth.

13 services12 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

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.

11 services11 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.

11 services11 patients

Fluoroscopic guidance for insertion or removal of central vein access device 77001

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

11 services11 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Ochsner Medical Center Acute

Acute Care Hospitals · New Orleans, LA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number190036

Location1516 Jefferson HwyNew Orleans, LA 70121 · Jefferson County

Emergency services Birthing friendly

West Jefferson Medical Center

Acute Care Hospitals · Marrero, LA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number190039

Location1101 Medical Center BlvdMarrero, LA 70072 · Jefferson County

Emergency services Birthing friendly

East Jefferson General Hospital

Acute Care Hospitals · Metairie, LA

3/5 CMS rating

OwnershipProprietary

CMS Certification Number190176

Location4200 Houma BlvdMetairie, LA 70006 · Jefferson County

Emergency services Birthing friendly

New Orleans East Hospital

Acute Care Hospitals · New Orleans, LA

OwnershipGovernment - Hospital District or Authority

CMS Certification Number190313

Location5620 Read BlvdNew Orleans, LA 70127 · Orleans County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70072 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

$86.76 typical visit price

range $55.50 – $170.30

Typical copayment $21.69 (range $13.87 – $42.57)

Most-billed visit code 99203

Established Patient

$69.44 typical visit price

range $17.42 – $138.03

Typical copayment $17.36 (range $4.35 – $34.50)

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.

95.23/100

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

Scored as part of a group practice

Quality

83.33

Improvement Activities

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques

Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…

100%290 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

LABADIE AND LABADIE A PROFESSIONAL LLC

Specialist

1111 MEDICAL CENTER BLVD, SUITE 250 SOUTH
MARRERO, LA 70072

Jefferson Parish (504) 349-6207

THELMA SONZA N.P.

Nurse Practitioner (Family)

1111 MEDICAL CENTER BLVD, SUITE 613N
MARRERO, LA 70072

Jefferson Parish (504) 394-6800

DR. JOSEPH GUARNIERI M.D.

Ophthalmology

1111 MEDICAL CENTER BLVD, SUITE N-213
MARRERO, LA 70072

Jefferson Parish (504) 349-6213

CHARLES JOSEPH BALLAY II M.D.

Otolaryngology

1111 MEDICAL CENTER BLVD, SUITE 707N
MARRERO, LA 70072

Jefferson Parish (504) 934-8550

DR. PRAMELA R GANJI MD

Family Medicine

1111 MEDICAL CENTER BLVD, STE 304 NORTH
MARRERO, LA 70072

Jefferson Parish (504) 349-6325

WEST JEFFERSON PHYSICIAN SERVICES

Internal Medicine

1111 MEDICAL CENTER BLVD, SUITE S850
MARRERO, LA 70072

Jefferson Parish (504) 349-6450

MS. MEGHAN CATHERINE MESSONNIER PA-C

Physician Assistant (Medical)

1111 MEDICAL CENTER BLVD, SUITE S-450
MARRERO, LA 70072

Jefferson Parish (504) 349-6423

KAELYNN LANDECHE FRANCISCO APRN

Nurse Practitioner

1111 MEDICAL CENTER BLVD
MARRERO, LA 70072

Jefferson Parish (504) 349-6945

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Dawson's NPI number?

The NPI number for William Dawson is 1821291915. It was assigned to this individual provider in the NPPES registry on June 7, 2007.

Where is William Dawson located?

William Dawson practices at 1111 Medical Center Blvd Suite N-108, Marrero, LA 70072. The listed phone number is (504) 349-1461.

What is William Dawson's specialty?

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

Is William Dawson enrolled in Medicare?

Yes. William Dawson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Dawson accept?

Health plans from HMO Louisiana list William Dawson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Dawson affiliated with any hospitals?

According to CMS data, William Dawson is affiliated with Ochsner Medical Center Acute, West Jefferson Medical Center, East Jefferson General Hospital and New Orleans East Hospital.

When was this NPI record last updated?

The NPPES record for William Dawson was last updated on June 14, 2012. 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.