What is Madison Santo's NPI number?

Madison Santo's National Provider Identifier (NPI) is 1447122403, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Madison Santo's specialty?

Madison Santo is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is Madison Santo located?

Madison Santo's practice location on file with NPPES is 100 Medical Plz, Lake St Louis, MO 63367-1366.

What is Madison Santo's phone number?

The practice phone number listed in the NPPES registry for Madison Santo is (636) 625-5297.

Is Madison Santo's NPI active?

Yes — Madison Santo's NPI (1447122403) is active in the NPPES registry as of the last update on 2025-09-19.

IndividualActive

Madison Santo

NPI 1447122403 · Physician Assistant · Lake St Louis, MO

Madison Santo is a Physician Assistant provider in Lake St Louis, MO (NPI 1447122403).

Provider details

NPI number: 1447122403
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Physician AssistantPrimary363A00000X
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Basic profile(47/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

100 Medical Plz

Lake St Louis, MO 63367-1366

Phone: (636) 625-5297

Street-level locationGet directions

More MO providers

Mailing address

2307 Heartland View Cir

Wentzville, MO 63385-2506

Enumerated: 2025-09-19
Last updated: 2025-09-19
Certified: 2025-09-19

Frequently asked questions

What is Madison Santo's NPI number?: Madison Santo's National Provider Identifier (NPI) is 1447122403, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Madison Santo's specialty?: Madison Santo is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
Where is Madison Santo located?: Madison Santo's practice location on file with NPPES is 100 Medical Plz, Lake St Louis, MO 63367-1366.
What is Madison Santo's phone number?: The practice phone number listed in the NPPES registry for Madison Santo is (636) 625-5297.
Is Madison Santo's NPI active?: Yes — Madison Santo's NPI (1447122403) is active in the NPPES registry as of the last update on 2025-09-19.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.