NPPES file of Aug 9, 2026

Madison Santo

Physician Assistant · Lake St Louis, MO

Madison Santo is a physician assistant with a practice address in Lake St Louis, Missouri, and NPI 1447122403, issued on Sep 19, 2025. Check the license with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447122403
Name
Madison Santo
Primary taxonomy
Physician Assistant 363A00000X
Practice location
100 Medical Plz, Lake St Louis, MO 63367
Phone
(636) 625-5297
Enumerated
Sep 19, 2025
Record last updated
Sep 19, 2025
Medicare enrollment
Enrolled (PECOS I20260410001055); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest physician assistant records → All 1,790 in Missouri → Look up another NPI →

Also registered at 100 Medical Plz

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lindsey AyoPhysical Therapist1952252033
  2. Robert Baronovic, PTPhysical Therapist1740010180
  3. Montacer Belfancha, NPNurse Practitioner1639914609
  4. Audrey Bolden, NPNurse Practitioner1316455959
  5. Vincent Boston, MDEmergency Medicine Physician1134572340
  6. Amanda Bratton, RD, LDMetabolic Nutrition Registered Dietitian1710252440

Verify Madison Santo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Sound Physicians OF Illinois LLCBridgeton, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Madison Santo among 1,790 physician assistant records in Missouri

Madison Santo is one of 1,790 physician assistant records with a practice address in Missouri. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 90% of them.

  • NPI issued2025 · 90% of these records are older, 4% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2025 · median 2019 among the 1,250 with a school on file
  • Record last updated2025 · 32% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 physician assistant records list a practice address in Lake St Louis

They are 3 of the 264 NPPES records with a practice address in Lake St Louis, and 1,790 physician assistant records in Missouri.

All 1,790 in Missouri → Every provider in Lake St Louis → Physician Assistant nationwide →

The 8 physician assistant records with the nearest ZIP codes

  1. Alexis Knisley, PA-CLake Saint Louis, MO 633671306654405
  2. Marisa Lynch, PA-CLake St Louis, MO 633671699552547
  3. Kayli Schou, PA-CLake Saint Louis, MO 633671649835455
  4. Taylor Spruell, PALake St Louis, MO 633671558079186
  5. Riley Busch, PA-CO Fallon, MO 633661013775238
  6. Krista Carter, PA-CO Fallon, MO 633681043622277
  7. Natasha Fresenburg, PA-CO Fallon, MO 633681780020495
  8. Krista Jenkins, PAO Fallon, MO 633681598036071

Common questions

What is Madison Santo's NPI number?

Madison Santo's National Provider Identifier (NPI) is 1447122403, issued on Sep 19, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Madison Santo located?

The NPPES record lists a practice address at 100 Medical Plz, Lake St Louis, MO, 63367. Phone: (636) 625-5297. Providers update this record themselves, so call before visiting.

How can I verify Madison Santo's license?

Search the Missouri board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.