NPPES file of Aug 9, 2026

William K. Drake, MD

Clinical Pathology/Laboratory Medicine Physician · Clayton, MO

William K. Drake, MD is a clinical pathology/laboratory medicine physician with a practice address in Clayton, Missouri, and NPI 1801880976, issued on Sep 6, 2005. Check the license (Missouri R3047, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801880976
Name
William K. Drake
Credential
MD
Primary taxonomy
Clinical Pathology/Laboratory Medicine Physician 207ZP0105X
License number
R3047 MO
Self-reported in NPPES; status is on the state search
Practice location
150 Carondelet Plz Unit 2301, Clayton, MO 63105
Phone
(618) 887-9720
Enumerated
Sep 6, 2005
Record last updated
Jan 23, 2025
Medicaid ID
036041313 IL
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify William K. Drake in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license R3047
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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59% more Medicare Part D claims than the average clinical pathology/laboratory medicine physician in 2024

54 Medicare Part D claims, against an average of 34 among the 37 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.

  1. William Drake54
  2. Specialty average34

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.

William K. Drake among 28 clinical pathology/laboratory medicine physician records in Missouri

William K. Drake, MD is one of 28 clinical pathology/laboratory medicine physician records with a practice address in Missouri. 43% 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, 93% newer
  • In a Medicare fileYes · 43% of these records are
  • In the CMS Doctors and Clinicians fileNo · 32% of these records are
  • Record last updated2025 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0105X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Pathology/Laboratory Medicine Physician providers in Missouri

There are 28 clinical pathology/laboratory medicine physician records in Missouri.

The 8 clinical pathology/laboratory medicine physician records with the nearest ZIP codes

  1. Donald Mulford, D.O.Saint Louis, MO 631031801191267
  2. Jane Lee, MDSaint Louis, MO 631081588150288
  3. Bijal Parikh, MDSaint Louis, MO 631081235329947
  4. Jacqueline Payton, MDSaint Louis, MO 631081750407714
  5. Aleksandar Babic, M.D., PH.D.St Louis, MO 631101548236961
  6. Brian Edelson, M.D., PH.D.Saint Louis, MO 631101225118169
  7. Gary Grajales-Reyes, M.D. PH.D.Saint Louis, MO 631101306323399
  8. Joshua Hood, M.D., PH.D.Saint Louis, MO 631101437278306

Common questions

What is William K. Drake, MD's NPI number?

William K. Drake, MD's National Provider Identifier (NPI) is 1801880976, issued on Sep 6, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William K. Drake, MD located?

The NPPES record lists a practice address at 150 Carondelet Plz Unit 2301, Clayton, MO, 63105. Phone: (618) 887-9720. Providers update this record themselves, so call before visiting.

How can I verify William K. Drake, MD's license?

NPPES lists Missouri license number R3047, 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 K. Drake, MD prescribe under Medicare Part D?

In 2024, William K. Drake, MD had 54 Medicare Part D claims; the average among clinical pathology/laboratory medicine physician prescribers was 34. Part D covers Medicare prescriptions only.

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.