James W. Ketchum, MD
Internal Medicine Physician · Ballwin, MO
James W. Ketchum, MD is an internal medicine physician with a practice address in Ballwin, Missouri, and NPI 1386610376, issued on Feb 28, 2006. Check the license (Missouri R8D28, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- James W. Ketchum
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- R8D28 MO
Self-reported in NPPES; status is on the state search - Practice location
- 15945 Clayton RD, Ballwin, MO 63011
- Phone
- (636) 256-5350
- Enumerated
- Feb 28, 2006
- Record last updated
- Oct 26, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (636) 256-5372
- Medicare enrollment
- Enrolled (PECOS I20070524000400); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1982
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 15945 Clayton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Octavio Chirino, M.D.Obstetrics & Gynecology Physician1598718058
- Cara Hahs, MDSurgery Physician1427031129
- Laura Hooper, AGNPGerontology Nurse Practitioner1598156820
- Mark Houston, MDFamily Medicine Physician1689640344
- Shanna Ingram, FNP-CFamily Nurse Practitioner1982451027
- Erica Lammert, RNFARegistered Nurse First Assistant1215352117
Verify James W. Ketchum 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 R8D28Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.3 times the Medicare Part D claims of the average internal medicine physician in 2024
13,718 Medicare Part D claims for 803 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 509 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium820 claims
- Levothyroxine Sodium604 claims
- Losartan Potassium561 claims
- Atorvastatin Calcium512 claims
- Amlodipine Besylate450 claims
- Lisinopril362 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: $967.71
47 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Mercy Clinic East CommunitiesO Fallon, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
10 internal medicine physician records list a practice address in Ballwin
They are 10 of the 562 NPPES records with a practice address in Ballwin, and 2,604 internal medicine physician records in Missouri.
All 10 in Ballwin → All 2,604 in Missouri → Every provider in Ballwin →
Other internal medicine physician records in Missouri
- Betty Abban, M.D.Springfield, MO1063893162
- Amer Abbas, MDSaint Louis, MO1508480666
- Fizza Abbas, MDSaint Louis, MO1588079230
- Marghoob Abbas, M.D.St Joseph, MO1588603781
- Muhammad Khalid Abbas, M.D.Springfield, MO1447877089
- Sundas Abbas, MDRichmond Heights, MO1649790486
- Hajira Abbasi, DOSaint Louis, MO1194036947
- Catey Abbott, DOSaint Louis, MO1699355347
- David Abbott, MDRichmond Heights, MO1568448850
- Wael Abduljaber, MDSaint Louis, MO1174101489
Common questions
What is James W. Ketchum, MD's NPI number?
James W. Ketchum, MD's National Provider Identifier (NPI) is 1386610376, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James W. Ketchum, MD located?
The NPPES record lists a practice address at 15945 Clayton RD, Ballwin, MO, 63011. Phone: (636) 256-5350. Providers update this record themselves, so call before visiting.
How can I verify James W. Ketchum, MD's license?
NPPES lists Missouri license number R8D28, 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 James W. Ketchum, MD prescribe under Medicare Part D?
In 2024, James W. Ketchum, MD had 13,718 Medicare Part D claims for 803 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.