Kevin D. Weikart, M.D.
Internal Medicine Physician · O Fallon, MO
Kevin D. Weikart, M.D. is an internal medicine physician with a practice address in O Fallon, Missouri, and NPI 1902864986, issued on May 1, 2006. Check the license (Missouri MOMDR5G33, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Kevin D. Weikart
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MOMDR5G33 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1002 Peruque Crossing CT, O Fallon, MO 63366
- Phone
- (636) 294-5900
- Enumerated
- May 1, 2006
- Record last updated
- Sep 9, 2025
- Fax
- (636) 294-5908
- Medicare enrollment
- Enrolled (PECOS I20060831000294); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1002 Peruque Crossing CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julia Branco, FNP-CFamily Nurse Practitioner1245669316
- Jennifer Hinton, MDPediatrics Physician1881655454
- Matthew MeierInternal Medicine Physician1578574372
- John O'Connor, M.D.Family Medicine Physician1356392310
Verify Kevin D. Weikart 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 MOMDR5G33Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average internal medicine physician in 2024
3,720 Medicare Part D claims for 249 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. 239 claims were for opioids.
Most prescribed
- Lisinopril158 claims
- Atorvastatin Calcium139 claims
- Levothyroxine Sodium135 claims
- Amlodipine Besylate122 claims
- Furosemide106 claims
- Pantoprazole Sodium83 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: $3,123.32
44 payments; by number, the most common kind was food and beverage; the largest payer was Vanda Pharmaceuticals 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 one group practice
- Aging Well Health Care, LLCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
17 internal medicine physician records list a practice address in O Fallon
They are 17 of the 1,225 NPPES records with a practice address in O Fallon, and 2,604 internal medicine physician records in Missouri.
All 17 in O Fallon → All 2,604 in Missouri → Every provider in O Fallon →
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 Kevin D. Weikart, M.D.'s NPI number?
Kevin D. Weikart, M.D.'s National Provider Identifier (NPI) is 1902864986, issued on May 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kevin D. Weikart, M.D. located?
The NPPES record lists a practice address at 1002 Peruque Crossing CT, O Fallon, MO, 63366. Phone: (636) 294-5900. Providers update this record themselves, so call before visiting.
How can I verify Kevin D. Weikart, M.D.'s license?
NPPES lists Missouri license number MOMDR5G33, 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 Kevin D. Weikart, M.D. prescribe under Medicare Part D?
In 2024, Kevin D. Weikart, M.D. had 3,720 Medicare Part D claims for 249 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.