William Lee Johnson, MD
Pediatric Allergy/Immunology Physician · Saint Louis, MO
William Lee Johnson, MD is a pediatric allergy/immunology physician with a practice address in Saint Louis, Missouri, and NPI 1669476495, issued on Jun 9, 2005. Check the license (Missouri R1F19, 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 Lee Johnson
- Credential
- MD
- Primary taxonomy
- Pediatric Allergy/Immunology Physician 2080P0201X
- License number
- R1F19 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Childrens PL, Saint Louis, MO 63110
- Phone
- (314) 454-2694
- Enumerated
- Jun 9, 2005
- Record last updated
- Jan 24, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (314) 454-2515
- Medicaid IDs
- 202878708 MO
ENROLLED IL - Entity
- Type 1 · individual
8 nearest pediatric allergy/immunology physician records → All 27 in Missouri → Look up another NPI →
Also registered at 1 Childrens PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohamed Abdelbaki, MDPediatric Hematology & Oncology Physician1508021361
- Christi Abeln, PNPPediatric Nurse Practitioner1023034253
- Loren Abernathy, PNPPediatric Nurse Practitioner1215583117
- Freddy-May Abisamra, CGCGenetic Counselor (M.S.)1306538111
- Manjusha Abraham, MDPediatric Critical Care Medicine Physician1508126699
- Philip Abraham, MDHospitalist Physician1720309016
Verify William Lee Johnson 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 R1F19Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average pediatric allergy/immunology physician in 2024
287 Medicare Part D claims for 106 beneficiaries, against an average of 259 among the 198 providers of this specialty who prescribed in Part D.
Most prescribed
- Trelegy Ellipta41 claims
- Montelukast Sodium37 claims
- Fluticasone Propionate23 claims
- Azelastine Hcl20 claims
- Breo Ellipta19 claims
- Albuterol Sulfate Hfa15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 62.3 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).
Industry payments in 2024: $175.00
1 payment: honoraria; the largest payer was Aimmune Therapeutics, Inc. The 289 providers of this specialty with any payment received $7,101.54 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William Lee Johnson among 27 pediatric allergy/immunology physician records in Missouri
William Lee Johnson, MD is one of 27 pediatric allergy/immunology physician records with a practice address in Missouri. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 41% of these records are
- Record last updated2018 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0201X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Allergy/Immunology Physician providers in Missouri
There are 27 pediatric allergy/immunology physician records in Missouri.
All 27 in Missouri → Every provider in Saint Louis → Pediatric Allergy/Immunology Physician nationwide →
The 8 pediatric allergy/immunology physician records with the nearest ZIP codes
- Avraham Beigelman, MDSaint Louis, MO 631101699940049
- Gordon Bloomberg, MDSaint Louis, MO 631101619993920
- Ray Davis, MDSaint Louis, MO 631101821037334
- Alexa Doss, MDSaint Louis, MO 631101073964722
- Alysa Ellis, MDSaint Louis, MO 631101528237633
- Gary Goodman, MDSaint Louis, MO 631101811999485
- Caroline Horner, MDSaint Louis, MO 631101598783060
- Michele Kemp, MDSaint Louis, MO 631101104828771
Common questions
What is William Lee Johnson, MD's NPI number?
William Lee Johnson, MD's National Provider Identifier (NPI) is 1669476495, issued on Jun 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Lee Johnson, MD located?
The NPPES record lists a practice address at 1 Childrens PL, Saint Louis, MO, 63110. Phone: (314) 454-2694. Providers update this record themselves, so call before visiting.
How can I verify William Lee Johnson, MD's license?
NPPES lists Missouri license number R1F19, 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.
How much does William Lee Johnson, MD prescribe under Medicare Part D?
In 2024, William Lee Johnson, MD had 287 Medicare Part D claims for 106 beneficiaries; the average among pediatric allergy/immunology physician prescribers was 259. Part D covers Medicare prescriptions only.
What is William Lee Johnson, MD's MIPS final score?
The 2023 MIPS final score is 62.3 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.