DR. WILLIAM H MCALISTER MD
NPI 1720140080
Radiology - Pediatric Radiology in Saint Louis, MO

Active since December 14, 2006PECOS EnrolledAccepts Medicare Assignment
79.29/100
CMS Quality Rating
510 S KINGSHIGHWAY BLVD, DEPT RADIOLOGY, SAINT LOUIS, MO 63110(314) 362-7200(314) 747-4189 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Nov 15, 2021 and 3 more (6 updates tracked since 2015).

About Dr. William H Mcalister Md NPPES

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

DR. WILLIAM H MCALISTER MD (NPI 1720140080) is an individual pediatric radiology provider in Saint Louis, Missouri, licensed in Missouri (R2076) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (1954).

NPPES Registry Identity

NPI1720140080
Entity TypeIndividualMale
Primary Taxonomy2085P0229X
Provider Legal NameDR. WILLIAM H MCALISTERCredential: MD
Location Address510 S KINGSHIGHWAY BLVD, DEPT RADIOLOGYSaint Louis, MO 63110-1016
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 362-7200 · Fax (314) 747-4189
Fax(314) 747-4189
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 1954
Enumeration DateDecember 14, 2006
Last NPPES UpdateApril 17, 20256 updates tracked since enumeration
NPI 1720140080 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Pediatric RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085P0229X
License Licensed in MO · R2076
Definition
A radiologist who is proficient in all forms of diagnostic imaging as it pertains to the treatment of diseases in the newborn, infant, child and adolescent. This specialist has knowledge of both imaging and interventional procedures related to the care and management of diseases of children. A pediatric radiologist must be highly knowledgeable of all organ systems as they relate to growth and development, congenital malformations, diseases peculiar to infants and children and diseases that begin in childhood but cause substantial residual impairment in adulthood.
510 S KINGSHIGHWAY BLVD, Saint Louis, MO 63110

Other Identifiers 1

Medicaid209727403MO

Accepted 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 H Mcalister 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 ID1951445576
PECOS Enrollment IDI20100220000317
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 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.

79.29/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.46
Promoting Interoperability100
Improvement Activities40
Cost59.51

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.

Radiology (Neuroradiology)
510 S KINGSHIGHWAY BLVD
SAINT LOUIS, MO 63110
Radiology (Diagnostic Radiology)
510 S KINGSHIGHWAY BLVD, DEPT RADIOLOGY
SAINT LOUIS, MO 63110
Radiology (Diagnostic Radiology)
510 S KINGSHIGHWAY BLVD, DEPT RADIOLOGY
SAINT LOUIS, MO 63110
Radiology (Diagnostic Radiology)
510 S KINGSHIGHWAY BLVD, DEPT RADIOLOGY
SAINT LOUIS, MO 63110
Radiology (Diagnostic Radiology)
510 S KINGSHIGHWAY BLVD, DEPT RADIOLOGY
SAINT LOUIS, MO 63110
Radiology (Diagnostic Radiology)
510 S KINGSHIGHWAY BLVD
SAINT LOUIS, MO 63110
Radiology (Diagnostic Radiology)
510 S KINGSHIGHWAY BLVD, DEPT RADIOLOGY
SAINT LOUIS, MO 63110
Radiology (Diagnostic Radiology)
510 S KINGSHIGHWAY BLVD, DEPT RADIOLOGY
SAINT LOUIS, MO 63110

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 Mcalister's NPI number?

The NPI number for William Mcalister is 1720140080. It was assigned to this individual provider in the NPPES registry on December 14, 2006.

Where is William Mcalister located?

William Mcalister practices at 510 S Kingshighway Blvd Dept Radiology, Saint Louis, MO 63110. The listed phone number is (314) 362-7200.

What is William Mcalister's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Pediatric Radiology, with taxonomy code 2085P0229X.

Is William Mcalister enrolled in Medicare?

Yes. William Mcalister 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 Mcalister accept?

Health plans from Cox HealthPlans list William Mcalister 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.

When was this NPI record last updated?

The NPPES record for William Mcalister was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.