William H. McAlister, MD
Pediatric Radiology Physician · Saint Louis, MO
William H. McAlister, MD is a pediatric radiology physician with a practice address in Saint Louis, Missouri, and NPI 1720140080, issued on Dec 14, 2006. Check the license (Missouri R2076, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- William H. McAlister
- Credential
- MD
- Primary taxonomy
- Pediatric Radiology Physician 2085P0229X
- License number
- R2076 MO
Self-reported in NPPES; status is on the state search - Practice location
- 510 S Kingshighway Blvd, Saint Louis, MO 63110
- Phone
- (314) 362-7200
- Enumerated
- Dec 14, 2006
- Record last updated
- Apr 17, 2025
- Fax
- (314) 747-4189
- Medicaid ID
- 209727403 MO
- Medicare enrollment
- Enrolled (PECOS I20100220000317); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1954
- Entity
- Type 1 · individual
8 nearest pediatric radiology physician records → All 42 in Missouri → Look up another NPI →
Also registered at 510 S Kingshighway Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rashid Al-Sukaiti, MDDiagnostic Radiology Physician1023140928
- Sri Alapati, M.D.Diagnostic Radiology Physician1629365010
- Mohammad Hesam Alavi, MD, MPHStudent in an Organized Health Care Education/Training Program1346093804
Verify William H. McAlister in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R2076Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William H. McAlister among 42 pediatric radiology physician records in Missouri
William H. McAlister, MD is one of 42 pediatric radiology physician records with a practice address in Missouri. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 57% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1954 · median 2003 among the 33 with a school on file
- Record last updated2025 · 31% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085P0229X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Radiology Physician providers in Missouri
There are 42 pediatric radiology physician records in Missouri.
All 42 in Missouri → Every provider in Saint Louis → Pediatric Radiology Physician nationwide →
The 8 pediatric radiology physician records with the nearest ZIP codes
- Maged Algazzar, MDSaint Louis, MO 631101467208801
- Karen Caudill, MDSaint Louis, MO 631101699728667
- Steven Don, MDSaint Louis, MO 631101972697209
- Emily Dunn, MDSaint Louis, MO 631101649581380
- Thomas Herman, MDSaint Louis, MO 631101841234960
- Syed Hussaini, DOSaint Louis, MO 631101194112813
- Marilyn Siegel, MDSaint Louis, MO 631101548332802
- Kushaljit Sodhi, MDSaint Louis, MO 631101649973280
Common questions
What is William H. McAlister, MD's NPI number?
William H. McAlister, MD's National Provider Identifier (NPI) is 1720140080, issued on Dec 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William H. McAlister, MD located?
The NPPES record lists a practice address at 510 S Kingshighway Blvd, Saint Louis, MO, 63110. Phone: (314) 362-7200. Providers update this record themselves, so call before visiting.
How can I verify William H. McAlister, MD's license?
NPPES lists Missouri license number R2076, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is William H. McAlister, MD's MIPS final score?
The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.