DR. WILLIAM EDWARD HOLLOWAY MD
NPI 1649396334
Radiology - Vascular & Interventional Radiology in Saint Louis, MO

Q: What is William Holloway's NPI number?

The NPI number for William Holloway is 1649396334. It was assigned to this individual provider in the NPPES registry on March 22, 2007.

Q: What is William Holloway's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.

Q: When was this NPI record last updated?

The NPPES record for William Holloway was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 March 22, 2007PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

226 N BOYLE AVE APT 2N, SAINT LOUIS, MO 63108(314) 535-3601 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. William Edward Holloway Md NPPES

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

DR. WILLIAM EDWARD HOLLOWAY MD (NPI 1649396334) is an individual vascular & interventional radiology provider in Saint Louis, Missouri, licensed in Missouri (2004028836) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with University Of Kansas Hospital, and is a graduate of University Of Chicago, Pritzker School Of Medicine (2002).

NPPES Registry Identity

NPI1649396334

Entity TypeIndividualMale

Primary Taxonomy2085R0204X

Provider Legal NameDR. WILLIAM EDWARD HOLLOWAYCredential: MD

Location Address226 N BOYLE AVE APT 2NSaint Louis, MO 63108-2922

Mailing Address226 N Boyle Ave Apt 2nSaint Louis, MO 63108-2922 · (314) 535-3601

Phone(314) 535-3601

Sole ProprietorYes

Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 2002

Enumeration DateMarch 22, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1649396334 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Vascular & Interventional RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0204X

License✔ Licensed in MO · 2004028836

Definition

A radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.

226 N BOYLE AVE APT 2N, Saint Louis, MO 63108

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Kansas City.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

Dr. William Edward Holloway 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 ID5092867648

PECOS Enrollment IDI20090714000103, I20180110001040, I20241104002209

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 20

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.

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.

788 services709 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.

271 services261 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.

216 services212 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.

105 services103 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.

102 services102 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.

99 services95 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.

99 services98 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.

92 services90 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.

62 services61 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.

59 services59 patients

Mri scan of blood vessels of head without contrast 70544

An MRI scan of the head's blood vessels without contrast is a non-invasive imaging procedure. It uses a magnetic field and radio waves to create detailed images of the blood vessels in your head. This helps doctors diagnose conditions such as stroke, aneurysm, or other vascular disorders.

42 services42 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.

36 services36 patients

Mri scan of upper spinal canal before and after contrast 72156

An MRI scan of the upper spinal canal before and after contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. Contrast dye is injected to enhance these images, providing clearer visuals for accurate diagnosis.

31 services30 patients

Mri scan of lower spinal canal before and after contrast 72158

An MRI scan of the lower spinal canal with contrast is a non-invasive imaging procedure. It uses magnetic fields to generate detailed images of your lower spine. A contrast agent is injected to enhance these images, helping doctors see issues more clearly.

28 services28 patients

Mri scan of middle spinal canal before and after contrast 72157

An MRI scan of the middle spinal canal with contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your spine, both before and after a contrast dye is injected. The dye helps to highlight certain structures, providing a clearer picture for diagnosis.

23 services23 patients

Ct scan of soft tissue of neck with contrast 70491

A CT scan of the neck with contrast is a non-invasive imaging procedure. A special dye is administered to highlight the soft tissues in your neck, making them easier to see. This helps detect issues like infections, tumors, or other abnormalities.

22 services22 patients

Mri scan of blood vessels of neck before and after contrast 70549

An MRI scan of the neck's blood vessels, both before and after contrast, is a non-invasive imaging test that uses a magnetic field and radio waves to create detailed images. Contrast dye helps highlight the vessels more clearly. This helps in diagnosing conditions like blockages or abnormalities.

22 services22 patients

Mri scan of blood vessels of head before and after contrast 70546

An MRI scan of the head's blood vessels before and after contrast involves capturing detailed images of these vessels. A harmless dye (contrast) is used to enhance these images, helping doctors identify any abnormalities more clearly. No radiation is involved.

21 services20 patients

Mri scan of middle spinal canal without contrast 72146

An MRI scan of the middle spinal canal without contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. This helps doctors identify any abnormalities or issues in your spinal canal. No dye is used in this procedure.

15 services15 patients

Removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance 61645

This procedure involves removing a blood clot from a head artery. A special imaging technique called fluoroscopy is used for guidance. Additionally, an injection is given to help dissolve any remaining clot. This helps restore normal blood flow to the brain.

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.

University Of Kansas Hospital

Acute Care Hospitals · Kansas City, KS

5/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number170040

Location4000 Cambridge StreetKansas City, KS 66160 · Wyandotte County

Emergency services Birthing friendly

Saint Luke's South Hospital

Acute Care Hospitals · Overland Park, KS

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number170185

Location12300 Metcalf AvenueOverland Park, KS 66213 · Johnson County

Emergency services

Saint Lukes North Hospital

Acute Care Hospitals · Kansas City, MO

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260062

Location5830 N W Barry RoadKansas City, MO 64154 · Platte County

Emergency services Birthing friendly

St Lukes Hospital Of Kansas City

Acute Care Hospitals · Kansas City, MO

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260138

Location4401 Wornall RoadKansas City, MO 64111 · Jackson County

Emergency services Birthing friendly

Saint Luke's East Hospital

Acute Care Hospitals · Lees Summit, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260216

Location100 N E Saint Luke's BoulevardLees Summit, MO 64086 · Jackson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63108 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

$86.32 typical visit price

range $55.65 – $169.38

Typical copayment $21.58 (range $13.91 – $42.34)

Most-billed visit code 99203

Established Patient

$69.50 typical visit price

range $17.76 – $137.92

Typical copayment $17.37 (range $4.44 – $34.48)

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.

75/100

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

Scored as part of a group practice

Reported Quality Measures

Appropriate Follow-up Imaging for Incidental Thyroid Nodules in Patients

Percentage of final reports for computed tomography (CT), CT angiography (CTA) or magnetic resonance imaging (MRI) or magnetic resonance angiogram (MRA) studies of the chest or neck for patients aged 18 years and older with no known thyroid disease with a…

Lower rates are better for this measure.

0%66 patients

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%2,517 patients

Radiology: Stenosis Measurement in Carotid Imaging Reports

Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…

100%467 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.

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 Holloway's NPI number?

The NPI number for William Holloway is 1649396334. It was assigned to this individual provider in the NPPES registry on March 22, 2007.

Where is William Holloway located?

William Holloway practices at 226 N Boyle Ave Apt 2N, Saint Louis, MO 63108. The listed phone number is (314) 535-3601.

What is William Holloway's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.

Is William Holloway enrolled in Medicare?

Yes. William Holloway 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 Holloway accept?

Health plans from Blue Cross and Blue Shield of Kansas City list William Holloway 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 Holloway affiliated with any hospitals?

According to CMS data, William Holloway is affiliated with University Of Kansas Hospital, Saint Luke's South Hospital, Saint Lukes North Hospital, St Lukes Hospital Of Kansas City and Saint Luke's East Hospital.

When was this NPI record last updated?

The NPPES record for William Holloway was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.