Amy Kathleen Davis, M.D.
Internal Medicine Physician · O Fallon, MO
Amy Kathleen Davis, M.D. is an internal medicine physician with a practice address in O Fallon, Missouri, and NPI 1245453844, issued on Apr 11, 2007. Check the license (Missouri MD108105, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Amy Kathleen Davis
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD108105 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1008 Rock Creek Elementary School Dr, O Fallon, MO 63366
- Phone
- (636) 281-4410
- Enumerated
- Apr 11, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (636) 281-4412
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Verify Amy Kathleen Davis 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 MD108105Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
238 Medicare Part D claims for 38 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate25 claims
- Lisinopril20 claims
- Clonidine Hcl16 claims
- Metoprolol Tartrate12 claims
- Pantoprazole Sodium12 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: $24.52
1 payment: food and beverage; the largest payer was Acella Pharmaceuticals, LLC. 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.
Amy Kathleen Davis among 2,604 internal medicine physician records in Missouri
Amy Kathleen Davis, M.D. is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 53% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2007 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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 2,604 in Missouri → Every provider in O Fallon → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kent Alexander Cassmeyer, MDO Fallon, MO 633661417307505
- Matthew MeierO Fallon, MO 633661578574372
- Jyotirmaya Nanda, M.D.O Fallon, MO 633661629039714
- Kevin Weikart, M.D.O Fallon, MO 633661902864986
- Olujoke Brimah Jones, MDLake St Louis, MO 633671629028667
- Thulasi Ram Gogireddy, M.D.Lake St Louis, MO 633671568725505
- Paul Hinton, MDLake St Louis, MO 633671639130263
- Umesh Inampudi, M.D.Lake St Louis, MO 633671427121227
Common questions
What is Amy Kathleen Davis, M.D.'s NPI number?
Amy Kathleen Davis, M.D.'s National Provider Identifier (NPI) is 1245453844, issued on Apr 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Amy Kathleen Davis, M.D. located?
The NPPES record lists a practice address at 1008 Rock Creek Elementary School Dr, O Fallon, MO, 63366. Phone: (636) 281-4410. Providers update this record themselves, so call before visiting.
How can I verify Amy Kathleen Davis, M.D.'s license?
NPPES lists Missouri license number MD108105, 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 Amy Kathleen Davis, M.D. prescribe under Medicare Part D?
In 2024, Amy Kathleen Davis, M.D. had 238 Medicare Part D claims for 38 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.