William G. Powderly, MD
Infectious Disease Physician · Saint Louis, MO
William G. Powderly, MD is an infectious disease physician with a practice address in Saint Louis, Missouri, and NPI 1275878019, issued on Dec 5, 2012. Check the license (Missouri 2013003690, 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 G. Powderly
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 2013003690 MO
Self-reported in NPPES; status is on the state search - Practice location
- 620 S Taylor Ave, Saint Louis, MO 63110
- Phone
- (314) 362-9098
- Enumerated
- Dec 5, 2012
- Record last updated
- Apr 17, 2025
- Fax
- (314) 362-9851
- Medicaid ID
- 202535316 MO
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 212 in Missouri → Look up another NPI →
Also registered at 620 S Taylor Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Megan Curtis, MDInfectious Disease Physician1699138115
Verify William G. Powderly 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 2013003690Check 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).
William G. Powderly among 212 infectious disease physician records in Missouri
William G. Powderly, MD is one of 212 infectious disease 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 2012, is newer than 66% of them.
- NPI issued2012 · 66% of these records are older, 29% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2025 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Missouri
There are 212 infectious disease physician records in Missouri.
All 212 in Missouri → Every provider in Saint Louis → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Hilary Babcock, MDSaint Louis, MO 631101316963531
- Bernard Camins, MDSaint Louis, MO 631101609892835
- Michael Diamond, MDSaint Louis, MO 631101235157710
- William Dunagan, MDSaint Louis, MO 631101821016247
- Lawrence Gelb, MDSaint Louis, MO 631101194743690
- Sarah George, M.D.Saint Louis, MO 631101215994975
- Daniel Goldberg, MDSaint Louis, MO 631101053339556
- Nigar Kirmani, MDSaint Louis, MO 631101396761532
Common questions
What is William G. Powderly, MD's NPI number?
William G. Powderly, MD's National Provider Identifier (NPI) is 1275878019, issued on Dec 5, 2012. An NPI identifies a provider in billing; it is not a license.
Where is William G. Powderly, MD located?
The NPPES record lists a practice address at 620 S Taylor Ave, Saint Louis, MO, 63110. Phone: (314) 362-9098. Providers update this record themselves, so call before visiting.
How can I verify William G. Powderly, MD's license?
NPPES lists Missouri license number 2013003690, 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 G. Powderly, 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.