WILLIAM H MCALLISTER IV MD
NPI 1508843053
Neurological Surgery in Newport News, VA

Q: What is William Mcallister's NPI number?

The NPI number for William Mcallister is 1508843053. It was assigned to this individual provider in the NPPES registry on December 27, 2005.

Q: What is William Mcallister's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Active since December 27, 2005PECOS EnrolledAccepts Medicare Assignment

94.07/100

CMS Quality Rating

12200 WARWICK BLVD, STE 410, NEWPORT NEWS, VA 23601(757) 534-5200(757) 534-5830 Get Directions Write a Review

NPPES record last updated: January 27, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About William H Mcallister Iv Md NPPES

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

WILLIAM H MCALLISTER IV MD (NPI 1508843053) is an individual neurological surgery provider in Newport News, Virginia, licensed in Virginia (0101057425) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Riverside Regional Medical Center, and is a graduate of University Of North Carolina At Chapel Hill School Of Medicine (1992).

NPPES Registry Identity

NPI1508843053

Entity TypeIndividualMale

Primary Taxonomy207T00000X

Provider Legal NameWILLIAM H MCALLISTER IVCredential: MD

Location Address12200 WARWICK BLVD, STE 410Newport News, VA 23601-2548

Mailing Address856 J Clyde Morris Blvd, Suite ANewport News, VA 23601-1318

Phone(757) 534-5200

Fax(757) 534-5830

Sole ProprietorNo

Medical School CMSUniversity Of North Carolina At Chapel Hill School Of MedicineGraduated 1992

Enumeration DateDecember 27, 2005

Last NPPES UpdateJanuary 27, 2014

✔ NPI 1508843053 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207T00000X

License✔ Licensed in VA · 0101057425

Definition

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

12200 WARWICK BLVD, Newport News, VA 23601

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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

William H Mcallister Iv 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 ID1355233792

PECOS Enrollment IDI20040329001209

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 Reassignment

Medicare enrollment records show William Mcallister reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Riverside Physician Services, Inc.

0.1 mi

Emergency Medicine

500 J CLYDE MORRIS BLVD
Newport News, VA 23601

Reassigned Medicare billing, Virginia enrollment
1,097 clinicians in this Medicare group

NPI 1487771655 (757) 594-4006

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.

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.

243 services197 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

156 services134 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.

102 services102 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

98 services98 patients

Insertion of cage or mesh device to spine bone and disc space during spine fusion 22853

Spine fusion is a procedure to join two or more vertebrae. During this process, a cage or mesh device is inserted into the spine bone and disc space. This helps to stabilize the spine, reduce pain, and improve functionality. The device acts as a bridge for new bone to grow on.

58 services35 patients

Computer-assisted spinal procedure 61783

A computer-assisted spinal procedure is a surgical technique that uses computer technology for improved precision. It involves creating a 3D image of your spine to guide the surgeon during the operation. This method enhances accuracy, reduces risk, and promotes quicker recovery.

51 services50 patients

Fusion of additional segment of spine 22614

Fusion of an additional segment of the spine is a surgical procedure to join two or more vertebrae together. This is done to stabilize the spine and reduce pain or correct a deformity. The procedure involves using bone grafts, rods, or screws to secure the spine.

43 services16 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

42 services40 patients

Fusion of spine in lower back with partial removal of spine bone and disc 22633

This procedure, called lumbar spinal fusion, involves joining two or more vertebrae in your lower back. It includes a partial removal of a spine bone and disc to alleviate pain and improve stability. The goal is to reduce motion between vertebrae and prevent nerve irritation.

34 services34 patients

Placement of stabilizing device to back, 3-6 spine bone segments 22842

This procedure involves placing a device on your back to stabilize 3-6 spine bone segments. It aids in maintaining spine alignment and reducing pain. The device is secured to the bones, providing support and promoting healing.

34 services34 patients

Partial removal of bone of single segment of spine in lower back with release of spinal cord and/or nerves during fusion of spine in lower back 63052

This procedure involves the partial removal of a bone segment in your lower back to relieve pressure on your spinal cord or nerves. It's usually done during a spinal fusion in the lower back, which helps to stabilize your spine by joining two or more vertebrae together.

33 services33 patients

Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 63047

This procedure involves removing part of a spine bone to alleviate pressure on the lower spinal cord and/or nerves. It targets a single segment of the spine, improving mobility and reducing pain. It's a common treatment for conditions like herniated discs or spinal stenosis.

23 services22 patients

Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment 63048

This procedure involves the partial removal of a bone in your spine to alleviate pressure on your spinal cord or nerves. It may be performed on multiple spine segments depending on your condition. The aim is to improve mobility and reduce pain or discomfort.

23 services15 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

22 services22 patients

Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc 22552

This is a surgical procedure where the upper spine bones are joined together after removing a disc. This helps to relieve pressure on the spinal cord or nerves. If more discs need to be removed, the same process is repeated for each additional disc.

20 services13 patients

Fusion of additional segment of spine with partial removal of spine bone and disc 22634

This procedure involves merging an extra part of your spine with a partial removal of your spine bone and disc. It's done to provide stability, reduce pain, and correct deformities. It's like creating a natural bridge of bone that stabilizes the spine.

20 services17 patients

Partial removal of bone of additional segment of spine in lower back with release of spinal cord and/or nerves during fusion of spine in lower back 63053

This procedure involves partially removing a bone section in the lower back to relieve pressure on the spinal cord or nerves. It's performed during a spinal fusion, where bones in the lower back are joined to improve stability and reduce pain.

19 services16 patients

Graft of donor bone to spine 20931

A graft of donor bone to the spine is a procedure where a piece of bone from a donor is attached to your spine to help it heal or improve its structure. This is often done to strengthen the spine or aid in recovery from injury or disease.

17 services17 patients

Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc 22551

This procedure involves fusing together the bones in the upper spine to stabilize it. A disc is removed to ease pressure on the spinal cord or nerve. This helps reduce pain and improve mobility. This is a common treatment for certain spinal conditions.

17 services17 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

17 services12 patients

Computer-assisted radiosurgery application of headframe 61800

Computer-assisted radiosurgery with a headframe is a non-invasive procedure that treats brain conditions. A headframe is attached to your head to keep it still during treatment. Using advanced computer technology, precise high-dose radiation beams target the affected area without harming healthy tissues.

15 services13 patients

Computer-assisted radiosurgery of simple growth of brain, first growth 61796

Computer-assisted radiosurgery is a non-invasive treatment for brain growths. High-energy radiation beams are precisely targeted at the growth, destroying abnormal cells. This method is often used for the first growth, reducing risks associated with traditional surgery.

14 services11 patients

Placement of stabilizing device to front, 2-3 spine bone segments 22845

This procedure involves positioning a stabilizing device on the front of 2-3 segments of your spine. It's designed to provide support and stability to your spine, potentially alleviating discomfort and improving mobility.

13 services13 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

12 services12 patients

Placement of stabilizing device to back of 1 spine bone in neck 22840

This procedure involves positioning a stabilizing device onto a single spinal bone in the neck. The goal is to provide support and prevent movement that could cause discomfort or further injury. It's performed by trained specialists under anesthesia.

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.

Riverside Regional Medical Center

Acute Care Hospitals · Newport News, VA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490052

Location500 J Clyde Morris BlvdNewport News, VA 23601 · Newport News City County

Emergency services Birthing friendly

Sentara Careplex Hospital

Acute Care Hospitals · Hampton, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490093

Location3000 Coliseum DriveHampton, VA 23666 · Hampton City County

Emergency services Birthing friendly

Riverside Walter Reed Hospital

Acute Care Hospitals · Gloucester, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490130

Location7519 Hospital RoadGloucester, VA 23061 · Gloucester County

Emergency services

Riverside Doctors' Hospital Of Williamsburg

Acute Care Hospitals · Williamsburg, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490143

Location1500 Commonwealth AvenueWilliamsburg, VA 23185 · James City County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 23601 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

$129.04 typical visit price

range $56.19 – $170.30

Typical copayment $32.26 (range $14.04 – $42.57)

Most-billed visit code 99204

Established Patient

$70.08 typical visit price

range $18.07 – $138.91

Typical copayment $17.52 (range $4.51 – $34.72)

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.

94.07/100

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

Scored through an Alternative Payment Model

Quality

90.65

Promoting Interoperability

95.83

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.

CARL ANTHONY GIBSON M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

12200 WARWICK BLVD, SUITE 590B
NEWPORT NEWS, VA 23601

Newport News City (757) 534-5909

GLYNIS MARGARET DAVIS NP

Nurse Practitioner (Family)

12200 WARWICK BLVD, STE 410
NEWPORT NEWS, VA 23601

Newport News City (757) 534-5200

RIVERSIDE PHYSICIAN SERVICES INC

Neurological Surgery

12200 WARWICK BLVD, SUITE 410
NEWPORT NEWS, VA 23601

Newport News City (757) 534-5200

KELLY M MURRER NP

Nurse Practitioner (Women's Health)

12200 WARWICK BLVD, STE 510
NEWPORT NEWS, VA 23601

Newport News City (757) 534-5700

CHERYL LOUISE MILLER PA

Physician Assistant

12200 WARWICK BLVD, SUITE 410
NEWPORT NEWS, VA 23601

Newport News City (757) 534-5200

DEAN BORRISOV KOSTOV MD

Neurological Surgery

12200 WARWICK BLVD, SUITE 410
NEWPORT NEWS, VA 23601

Newport News City (757) 534-5200

SANDY N BACALLAO NP

Nurse Practitioner

12200 WARWICK BLVD, SUITE 310
NEWPORT NEWS, VA 23601

Newport News City (757) 534-9988

JACKSON BOLAND SALVANT JR. M.D.

Neurological Surgery

12200 WARWICK BLVD, SUITE 410
NEWPORT NEWS, VA 23601

Newport News City (757) 534-5200

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 Mcallister's NPI number?

The NPI number for William Mcallister is 1508843053. It was assigned to this individual provider in the NPPES registry on December 27, 2005.

Where is William Mcallister located?

William Mcallister practices at 12200 Warwick Blvd Ste 410, Newport News, VA 23601. The listed phone number is (757) 534-5200.

What is William Mcallister's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is William Mcallister enrolled in Medicare?

Yes. William Mcallister 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.

Which organization bills Medicare for William Mcallister's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Mcallister reassigns Medicare benefits to Riverside Physician Services, Inc. (Newport News, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Mcallister's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is William Mcallister affiliated with any hospitals?

According to CMS data, William Mcallister is affiliated with Riverside Regional Medical Center, Sentara Careplex Hospital, Riverside Walter Reed Hospital and Riverside Doctors' Hospital Of Williamsburg.

When was this NPI record last updated?

The NPPES record for William Mcallister was last updated on January 27, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.