Jason Matthew Maddox
Family Medicine Physician · Saint Louis, MO
Jason Matthew Maddox is a family medicine physician with a practice address in Saint Louis, Missouri, and NPI 1306414552, issued on Jun 15, 2021. Check the license (Missouri 2021021904, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Jason Matthew Maddox
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 2021021904 MO
Self-reported in NPPES; status is on the state search - Practice location
- 12680 Olive Blvd Ste 300, Saint Louis, MO 63141
- Phone
- (314) 251-8888
- Enumerated
- Jun 15, 2021
- Record last updated
- Jul 24, 2024
- Medicare enrollment
- Enrolled (PECOS I20240731002722); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2021
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,991 in Missouri → Look up another NPI →
Also registered at 12680 Olive Blvd Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Deborrah BlackburnFamily Medicine Physician1710828322
- Hayley Brands, DOFamily Medicine Physician1215722335
Verify Jason Matthew Maddox 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 2021021904Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average family medicine physician in 2024
1,139 Medicare Part D claims for 127 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 53 claims were for opioids.
Most prescribed
- Atorvastatin Calcium59 claims
- Lisinopril53 claims
- Gabapentin41 claims
- Amlodipine Besylate34 claims
- Losartan Potassium27 claims
- Eliquis23 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.
Bills Medicare through one group practice
- Mercy Clinic East CommunitiesSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Matthew Maddox among 2,991 family medicine physician records in Missouri
Jason Matthew Maddox 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 2021, is newer than 88% of them.
- NPI issued2021 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2021 · median 2006 among the 1,778 with a school on file
- Record last updated2024 · 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).
Family Medicine Physician providers in Missouri
There are 2,991 family medicine physician records in Missouri.
All 2,991 in Missouri → Every provider in Saint Louis → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Patricia Blair, M.D.Saint Louis, MO 631411992799225
- Damon Broyles, M.D.Saint Louis, MO 631411407856396
- Betsy Clemens, M.D.Creve Coeur, MO 631411700850443
- Christopher Compton, M.D.Saint Louis, MO 631411174567176
- Ivan Covas-Maldonado, M.D.Saint Louis, MO 631411770554198
- Peter Danis, MDCreve Coeur, MO 631411669447314
- Grant Hoekzema, MDSaint Louis, MO 631411609842350
- James Lord, MDSaint Louis, MO 631411508834300
Common questions
What is Jason Matthew Maddox's NPI number?
Jason Matthew Maddox's National Provider Identifier (NPI) is 1306414552, issued on Jun 15, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Jason Matthew Maddox located?
The NPPES record lists a practice address at 12680 Olive Blvd Ste 300, Saint Louis, MO, 63141. Phone: (314) 251-8888. Providers update this record themselves, so call before visiting.
How can I verify Jason Matthew Maddox's license?
NPPES lists Missouri license number 2021021904, 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 Jason Matthew Maddox prescribe under Medicare Part D?
In 2024, Jason Matthew Maddox had 1,139 Medicare Part D claims for 127 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.