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

Steven Baak, MD LLC

Organization Rheumatology Physician · NPI 1073999520

Steven Baak, MD LLC is a Rheumatology Physician in Bridgeton, Missouri. Licensed in Missouri. Registered with an NPI since 2015.

Licensed in
MO
In the registry since
2015
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

3440 De Paul Ln Ste 113
Bridgeton, MO 63044-3545
Phone: (314) 942-6464
Fax: (314) 492-4636
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 105235 (MO)

Record details

NPI number1073999520
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Steven Baak — Medical Director · (314) 942-6464
NPI enumeratedAugust 7, 2015
Last updated in NPPESApril 18, 2016
Mailing address3440 De Paul Ln, Suite 113, Bridgeton, MO 63044-3545

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