Steven Baak, MD LLC
NPI 1073999520 · Rheumatology Physician · Bridgeton, MO
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Baak, MD LLC is a Rheumatology Physician organization in Bridgeton, MO (NPI 1073999520).
Provider details
- NPI number
- 1073999520
- Entity type
- Organization
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Steven Baak, Medical Director(314) 942-6464
- License
- 105235 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% 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
Mailing address
Registry dates
- Enumerated
- 2015-08-07
- Last updated
- 2016-04-18
Frequently asked questions
- What is Steven Baak, MD LLC's NPI number?
- Steven Baak, MD LLC's National Provider Identifier (NPI) is 1073999520, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Steven Baak, MD LLC?
- Steven Baak, MD LLC is classified in the NPPES registry as Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Baak, MD LLC located?
- Steven Baak, MD LLC's practice location on file with NPPES is 3440 De Paul Ln, Bridgeton, MO 63044-3545.
- What is Steven Baak, MD LLC's phone number?
- The practice phone number listed in the NPPES registry for Steven Baak, MD LLC is (314) 942-6464.
- Does Steven Baak, MD LLC accept Medicare?
- Steven Baak, MD LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Steven Baak, MD LLC?
- The authorized official listed on Steven Baak, MD LLC's NPPES record is Steven Baak, Medical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Steven Baak, MD LLC's NPI active?
- Yes — Steven Baak, MD LLC's NPI (1073999520) is active in the NPPES registry as of the last update on 2016-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.