Charles J. Willey, MD
Specialist · Saint Louis, MO
Charles J. Willey, MD is a specialist with a practice address in Saint Louis, Missouri, and NPI 1811996028, issued on Jul 19, 2005. Check the license (Missouri 13351, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Charles J. Willey
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- 13351 MO
Self-reported in NPPES; status is on the state search - Practice location
- 9915 Kennerly RD, Saint Louis, MO 63128
- Phone
- (314) 843-4794
- Enumerated
- Jul 19, 2005
- Record last updated
- Jul 15, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (314) 843-9256
- Medicare enrollment
- Enrolled (PECOS I20071203000615); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest specialist records → All 443 in Missouri → Look up another NPI →
Also registered at 9915 Kennerly RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barbara Mulholland-Younge, A.N.P.Acute Care Nurse Practitioner1689874463
- Albert Scrimsher, APRNFamily Nurse Practitioner1972053833
Verify Charles J. Willey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 13351Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.0 times the Medicare Part D claims of the average specialist in 2024
8,257 Medicare Part D claims for 890 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 220 claims were for opioids.
Most prescribed
- Atorvastatin Calcium449 claims
- Lisinopril309 claims
- Mirtazapine299 claims
- Levothyroxine Sodium249 claims
- Losartan Potassium244 claims
- Eliquis211 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.
Industry payments in 2024: $125.00
1 payment: compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Sumitomo Pharma America, Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Bills Medicare through 2 group practices
- Aging Well Health Care, LLCSaint Louis, MO
- Cjw Enterprises, IncSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles J. Willey among 443 specialist records in Missouri
Charles J. Willey, MD is one of 443 specialist records with a practice address in Missouri. 20% 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, 87% newer
- In a Medicare fileYes · 20% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated1981 · median 1989 among the 48 with a school on file
- Record last updated2010 · 85% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Missouri
There are 443 specialist records in Missouri.
All 443 in Missouri → Every provider in Saint Louis → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Dilip Patel, M.D.Saint Louis, MO 631281306035308
- Tim Fick, AAS-HIS, BC-HISSaint Louis, MO 631291275082406
- Jerri Verity, M.ED., LPC, NCCSaint Louis, MO 631291710029426
- Glorine Lampe, MS, EMTSaint Louis, MO 631261477568251
- Cahterine Meglan, P.T.Saint Louis, MO 631261659427847
- Michael Rovinsky, PLPCSaint Louis, MO 631301982052825
- Mark Blumenthal, MDSaint Louis, MO 631311659402238
- Jennifer CoxSaint Louis, MO 631251306413570
Common questions
What is Charles J. Willey, MD's NPI number?
Charles J. Willey, MD's National Provider Identifier (NPI) is 1811996028, issued on Jul 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Charles J. Willey, MD located?
The NPPES record lists a practice address at 9915 Kennerly RD, Saint Louis, MO, 63128. Phone: (314) 843-4794. Providers update this record themselves, so call before visiting.
How can I verify Charles J. Willey, MD's license?
NPPES lists Missouri license number 13351, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Charles J. Willey, MD prescribe under Medicare Part D?
In 2024, Charles J. Willey, MD had 8,257 Medicare Part D claims for 890 beneficiaries; the average among specialist prescribers was 1,380. 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.