McKayla M. Dinwiddie, MD
Family Medicine Physician · O Fallon, MO
McKayla M. Dinwiddie, MD is a family medicine physician with a practice address in O Fallon, Missouri, and NPI 1194429290, issued on Mar 30, 2023. Check the license (Missouri 2026028283, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- McKayla M. Dinwiddie
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 2026028283 MO
100277 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2299 Technology Dr Ste 320, O Fallon, MO 63368
- Phone
- (636) 695-0535
- Enumerated
- Mar 30, 2023
- Record last updated
- Jun 30, 2026
- Fax
- (636) 695-0537
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,991 in Missouri → Look up another NPI →
Also registered at 2299 Technology Dr Ste 320
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emma Gloe, MDFamily Medicine Physician1467148361
Verify McKayla M. Dinwiddie 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 2026028283Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average family medicine physician in 2024
317 Medicare Part D claims for 63 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Losartan Potassium37 claims
- Basaglar Kwikpen U-10016 claims
- Atorvastatin Calcium15 claims
- Lisinopril14 claims
- Metoprolol Succinate14 claims
- Vascepa13 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.
McKayla M. Dinwiddie among 2,991 family medicine physician records in Missouri
McKayla M. Dinwiddie, MD is one of 2,991 family medicine physician records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 94% of them.
- NPI issued2023 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
37 family medicine physician records list a practice address in O Fallon
They are 37 of the 1,225 NPPES records with a practice address in O Fallon, and 2,991 family medicine physician records in Missouri.
All 2,991 in Missouri → Every provider in O Fallon → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Matthew Beckerdite, MDO Fallon, MO 633681821062266
- Michael Engel, MDO Fallon, MO 633681861431983
- Van Hargraves, MDO Fallon, MO 633681255326385
- Amanda Heidemann, MDO Fallon, MO 633681043329105
- Jyoti Kulkarni, MDO Fallon, MO 633681649281668
- Sean McIntoshO Fallon, MO 633681700997731
- Timothy Moore, D.O.O Fallon, MO 633681396762910
- John O'Brien, M.D.O Fallon, MO 633681083689061
Common questions
What is McKayla M. Dinwiddie, MD's NPI number?
McKayla M. Dinwiddie, MD's National Provider Identifier (NPI) is 1194429290, issued on Mar 30, 2023. An NPI identifies a provider in billing; it is not a license.
Where is McKayla M. Dinwiddie, MD located?
The NPPES record lists a practice address at 2299 Technology Dr Ste 320, O Fallon, MO, 63368. Phone: (636) 695-0535. Providers update this record themselves, so call before visiting.
How can I verify McKayla M. Dinwiddie, MD's license?
NPPES lists Missouri license number 2026028283, 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 McKayla M. Dinwiddie, MD prescribe under Medicare Part D?
In 2024, McKayla M. Dinwiddie, MD had 317 Medicare Part D claims for 63 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.