Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Alexandre Lacasse, MD, MSC

Individual provider Internal Medicine Physician · NPI 1972723765

Dr. Alexandre Lacasse, MD, MSC is an Internal Medicine in Saint Louis, Missouri. Qualified in 2003, 23 years ago. Practices with SSM Health Care St Louis, a 175-clinician group and accepts Medicare assignment. Licensed in Missouri and Tennessee.

Years since qualifying
23
Licensed in
MO, TN
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6420 Clayton Rd Medicine Outpatient Clinic
Saint Louis, MO 63117-1811
Phone: (314) 768-8373
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD0000042236 (TN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2006028227 (MO)

Record details

NPI number1972723765
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MSC
Sole proprietorYes
NPI enumeratedApril 26, 2007
Last updated in NPPESMarch 7, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesINFECTIOUS DISEASE
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Ssm Health Care St Louis — 175 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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