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

Dr. Leonard M Hoffmann, MD

Individual provider Family Medicine Physician · NPI 1174585665

Dr. Leonard M Hoffmann, MD is a Family Practice in O Fallon, Missouri. Graduated from Loyola University of Chicago, Stritch School of Medicine in 1996, 30 years ago. Practices with SSM Medical Group Inc, a 560-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
30
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
MO
In the registry since
2006
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

1101 Highway K
O Fallon, MO 63366-8431
Phone: (636) 379-4590
Fax: (636) 669-2401
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 2002014796 (MO)

Record details

NPI number1174585665
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 3, 2006
Last updated in NPPESDecember 2, 2020
Certification dateDecember 2, 2020
Mailing addressPo Box 955534, Saint Louis, MO 63195-5534

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Ssm Medical Group Inc — 560 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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